1181 lines
56 KiB
TypeScript
1181 lines
56 KiB
TypeScript
/**
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* Copyright (c) 2017 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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import { assert } from 'chai';
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import { Buffer } from 'common/buffer/Buffer';
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import { CircularList } from 'common/CircularList';
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import { MockOptionsService, MockBufferService } from 'common/TestUtils.test';
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import { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
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import { CellData } from 'common/buffer/CellData';
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const INIT_COLS = 80;
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const INIT_ROWS = 24;
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const INIT_SCROLLBACK = 1000;
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describe('Buffer', () => {
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let optionsService: MockOptionsService;
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let bufferService: MockBufferService;
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let buffer: Buffer;
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beforeEach(() => {
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optionsService = new MockOptionsService({ scrollback: INIT_SCROLLBACK });
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bufferService = new MockBufferService(INIT_COLS, INIT_ROWS);
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buffer = new Buffer(true, optionsService, bufferService);
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});
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describe('constructor', () => {
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it('should create a CircularList with max length equal to rows + scrollback, for its lines', () => {
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assert.instanceOf(buffer.lines, CircularList);
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assert.equal(buffer.lines.maxLength, bufferService.rows + INIT_SCROLLBACK);
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});
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it('should set the Buffer\'s scrollBottom value equal to the terminal\'s rows -1', () => {
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assert.equal(buffer.scrollBottom, bufferService.rows - 1);
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});
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});
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describe('fillViewportRows', () => {
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it('should fill the buffer with blank lines based on the size of the viewport', () => {
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const blankLineChar = buffer.getBlankLine(DEFAULT_ATTR_DATA).loadCell(0, new CellData()).getAsCharData();
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buffer.fillViewportRows();
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assert.equal(buffer.lines.length, INIT_ROWS);
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for (let y = 0; y < INIT_ROWS; y++) {
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assert.equal(buffer.lines.get(y)!.length, INIT_COLS);
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for (let x = 0; x < INIT_COLS; x++) {
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assert.deepEqual(buffer.lines.get(y)!.loadCell(x, new CellData()).getAsCharData(), blankLineChar);
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}
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}
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});
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});
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describe('getWrappedRangeForLine', () => {
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describe('non-wrapped', () => {
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it('should return a single row for the first row', () => {
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buffer.fillViewportRows();
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assert.deepEqual(buffer.getWrappedRangeForLine(0), { first: 0, last: 0 });
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});
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it('should return a single row for a middle row', () => {
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buffer.fillViewportRows();
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assert.deepEqual(buffer.getWrappedRangeForLine(12), { first: 12, last: 12 });
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});
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it('should return a single row for the last row', () => {
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buffer.fillViewportRows();
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assert.deepEqual(buffer.getWrappedRangeForLine(buffer.lines.length - 1), { first: 23, last: 23 });
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});
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});
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describe('wrapped', () => {
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it('should return a range for the first row', () => {
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buffer.fillViewportRows();
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buffer.lines.get(1)!.isWrapped = true;
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assert.deepEqual(buffer.getWrappedRangeForLine(0), { first: 0, last: 1 });
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});
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it('should return a range for a middle row wrapping upwards', () => {
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buffer.fillViewportRows();
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buffer.lines.get(12)!.isWrapped = true;
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assert.deepEqual(buffer.getWrappedRangeForLine(12), { first: 11, last: 12 });
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});
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it('should return a range for a middle row wrapping downwards', () => {
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buffer.fillViewportRows();
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buffer.lines.get(13)!.isWrapped = true;
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assert.deepEqual(buffer.getWrappedRangeForLine(12), { first: 12, last: 13 });
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});
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it('should return a range for a middle row wrapping both ways', () => {
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buffer.fillViewportRows();
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buffer.lines.get(11)!.isWrapped = true;
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buffer.lines.get(12)!.isWrapped = true;
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buffer.lines.get(13)!.isWrapped = true;
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buffer.lines.get(14)!.isWrapped = true;
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assert.deepEqual(buffer.getWrappedRangeForLine(12), { first: 10, last: 14 });
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});
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it('should return a range for the last row', () => {
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buffer.fillViewportRows();
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buffer.lines.get(23)!.isWrapped = true;
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assert.deepEqual(buffer.getWrappedRangeForLine(buffer.lines.length - 1), { first: 22, last: 23 });
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});
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it('should return a range for a row that wraps upward to first row', () => {
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buffer.fillViewportRows();
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buffer.lines.get(1)!.isWrapped = true;
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assert.deepEqual(buffer.getWrappedRangeForLine(1), { first: 0, last: 1 });
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});
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it('should return a range for a row that wraps downward to last row', () => {
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buffer.fillViewportRows();
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buffer.lines.get(buffer.lines.length - 1)!.isWrapped = true;
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assert.deepEqual(buffer.getWrappedRangeForLine(buffer.lines.length - 2), { first: 22, last: 23 });
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});
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});
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});
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describe('resize', () => {
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describe('column size is reduced', () => {
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it('should trim the data in the buffer', () => {
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buffer.fillViewportRows();
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buffer.resize(INIT_COLS / 2, INIT_ROWS);
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assert.equal(buffer.lines.length, INIT_ROWS);
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for (let i = 0; i < INIT_ROWS; i++) {
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assert.equal(buffer.lines.get(i)!.length, INIT_COLS / 2);
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}
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});
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});
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describe('column size is increased', () => {
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it('should add pad columns', () => {
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buffer.fillViewportRows();
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buffer.resize(INIT_COLS + 10, INIT_ROWS);
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assert.equal(buffer.lines.length, INIT_ROWS);
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for (let i = 0; i < INIT_ROWS; i++) {
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assert.equal(buffer.lines.get(i)!.length, INIT_COLS + 10);
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}
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});
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});
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describe('row size reduced', () => {
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it('should trim blank lines from the end', () => {
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buffer.fillViewportRows();
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buffer.resize(INIT_COLS, INIT_ROWS - 10);
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assert.equal(buffer.lines.length, INIT_ROWS - 10);
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});
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it('should move the viewport down when it\'s at the end', () => {
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buffer.fillViewportRows();
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// Set cursor y to have 5 blank lines below it
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buffer.y = INIT_ROWS - 5 - 1;
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buffer.resize(INIT_COLS, INIT_ROWS - 10);
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// Trim 5 rows
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assert.equal(buffer.lines.length, INIT_ROWS - 5);
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// Shift the viewport down 5 rows
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assert.equal(buffer.ydisp, 5);
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assert.equal(buffer.ybase, 5);
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});
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describe('no scrollback', () => {
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it('should trim from the top of the buffer when the cursor reaches the bottom', () => {
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buffer = new Buffer(true, new MockOptionsService({ scrollback: 0 }), bufferService);
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assert.equal(buffer.lines.maxLength, INIT_ROWS);
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buffer.y = INIT_ROWS - 1;
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buffer.fillViewportRows();
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let chData = buffer.lines.get(5)!.loadCell(0, new CellData()).getAsCharData();
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chData[1] = 'a';
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buffer.lines.get(5)!.setCell(0, CellData.fromCharData(chData));
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chData = buffer.lines.get(INIT_ROWS - 1)!.loadCell(0, new CellData()).getAsCharData();
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chData[1] = 'b';
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buffer.lines.get(INIT_ROWS - 1)!.setCell(0, CellData.fromCharData(chData));
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buffer.resize(INIT_COLS, INIT_ROWS - 5);
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assert.equal(buffer.lines.get(0)!.loadCell(0, new CellData()).getAsCharData()[1], 'a');
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assert.equal(buffer.lines.get(INIT_ROWS - 1 - 5)!.loadCell(0, new CellData()).getAsCharData()[1], 'b');
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});
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});
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});
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describe('row size increased', () => {
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describe('empty buffer', () => {
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it('should add blank lines to end', () => {
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buffer.fillViewportRows();
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assert.equal(buffer.ydisp, 0);
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buffer.resize(INIT_COLS, INIT_ROWS + 10);
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assert.equal(buffer.ydisp, 0);
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assert.equal(buffer.lines.length, INIT_ROWS + 10);
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});
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});
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describe('filled buffer', () => {
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it('should show more of the buffer above', () => {
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buffer.fillViewportRows();
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// Create 10 extra blank lines
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for (let i = 0; i < 10; i++) {
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buffer.lines.push(buffer.getBlankLine(DEFAULT_ATTR_DATA));
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}
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// Set cursor to the bottom of the buffer
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buffer.y = INIT_ROWS - 1;
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// Scroll down 10 lines
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buffer.ybase = 10;
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buffer.ydisp = 10;
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assert.equal(buffer.lines.length, INIT_ROWS + 10);
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buffer.resize(INIT_COLS, INIT_ROWS + 5);
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// Should be should 5 more lines
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assert.equal(buffer.ydisp, 5);
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assert.equal(buffer.ybase, 5);
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// Should not trim the buffer
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assert.equal(buffer.lines.length, INIT_ROWS + 10);
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});
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it('should show more of the buffer below when the viewport is at the top of the buffer', () => {
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buffer.fillViewportRows();
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// Create 10 extra blank lines
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for (let i = 0; i < 10; i++) {
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buffer.lines.push(buffer.getBlankLine(DEFAULT_ATTR_DATA));
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}
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// Set cursor to the bottom of the buffer
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buffer.y = INIT_ROWS - 1;
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// Scroll down 10 lines
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buffer.ybase = 10;
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buffer.ydisp = 0;
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assert.equal(buffer.lines.length, INIT_ROWS + 10);
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buffer.resize(INIT_COLS, INIT_ROWS + 5);
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// The viewport should remain at the top
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assert.equal(buffer.ydisp, 0);
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// The buffer ybase should move up 5 lines
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assert.equal(buffer.ybase, 5);
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// Should not trim the buffer
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assert.equal(buffer.lines.length, INIT_ROWS + 10);
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});
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});
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});
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describe('row and column increased', () => {
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it('should resize properly', () => {
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buffer.fillViewportRows();
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buffer.resize(INIT_COLS + 5, INIT_ROWS + 5);
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assert.equal(buffer.lines.length, INIT_ROWS + 5);
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for (let i = 0; i < INIT_ROWS + 5; i++) {
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assert.equal(buffer.lines.get(i)!.length, INIT_COLS + 5);
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}
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});
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});
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describe('reflow', () => {
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it('should not wrap empty lines', () => {
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buffer.fillViewportRows();
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assert.equal(buffer.lines.length, INIT_ROWS);
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buffer.resize(INIT_COLS - 5, INIT_ROWS);
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assert.equal(buffer.lines.length, INIT_ROWS);
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});
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it('should shrink row length', () => {
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buffer.fillViewportRows();
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buffer.resize(5, 10);
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assert.equal(buffer.lines.length, 10);
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assert.equal(buffer.lines.get(0)!.length, 5);
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assert.equal(buffer.lines.get(1)!.length, 5);
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assert.equal(buffer.lines.get(2)!.length, 5);
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assert.equal(buffer.lines.get(3)!.length, 5);
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assert.equal(buffer.lines.get(4)!.length, 5);
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assert.equal(buffer.lines.get(5)!.length, 5);
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assert.equal(buffer.lines.get(6)!.length, 5);
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assert.equal(buffer.lines.get(7)!.length, 5);
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assert.equal(buffer.lines.get(8)!.length, 5);
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assert.equal(buffer.lines.get(9)!.length, 5);
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});
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it('should wrap and unwrap lines', () => {
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buffer.fillViewportRows();
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buffer.resize(5, 10);
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const firstLine = buffer.lines.get(0)!;
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for (let i = 0; i < 5; i++) {
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const code = 'a'.charCodeAt(0) + i;
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const char = String.fromCharCode(code);
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firstLine.set(i, [0, char, 1, code]);
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}
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buffer.y = 1;
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assert.equal(buffer.lines.get(0)!.length, 5);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'abcde');
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buffer.resize(1, 10);
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assert.equal(buffer.lines.length, 10);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'a');
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assert.equal(buffer.lines.get(1)!.translateToString(), 'b');
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assert.equal(buffer.lines.get(2)!.translateToString(), 'c');
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assert.equal(buffer.lines.get(3)!.translateToString(), 'd');
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assert.equal(buffer.lines.get(4)!.translateToString(), 'e');
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assert.equal(buffer.lines.get(5)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(6)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(7)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(8)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(9)!.translateToString(), ' ');
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buffer.resize(5, 10);
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assert.equal(buffer.lines.length, 10);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'abcde');
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assert.equal(buffer.lines.get(1)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(2)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(3)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(4)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(5)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(6)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(7)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(8)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(9)!.translateToString(), ' ');
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});
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it('should discard parts of wrapped lines that go out of the scrollback', () => {
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buffer.fillViewportRows();
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optionsService.options.scrollback = 1;
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buffer.resize(10, 5);
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const lastLine = buffer.lines.get(3)!;
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for (let i = 0; i < 10; i++) {
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const code = 'a'.charCodeAt(0) + i;
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const char = String.fromCharCode(code);
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lastLine.set(i, [0, char, 1, code]);
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}
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assert.equal(buffer.lines.length, 5);
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buffer.y = 4;
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buffer.resize(2, 5);
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assert.equal(buffer.y, 4);
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assert.equal(buffer.ybase, 1);
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assert.equal(buffer.lines.length, 6);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'ab');
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assert.equal(buffer.lines.get(1)!.translateToString(), 'cd');
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assert.equal(buffer.lines.get(2)!.translateToString(), 'ef');
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assert.equal(buffer.lines.get(3)!.translateToString(), 'gh');
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assert.equal(buffer.lines.get(4)!.translateToString(), 'ij');
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assert.equal(buffer.lines.get(5)!.translateToString(), ' ');
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buffer.resize(1, 5);
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assert.equal(buffer.y, 4);
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assert.equal(buffer.ybase, 1);
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assert.equal(buffer.lines.length, 6);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'f');
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assert.equal(buffer.lines.get(1)!.translateToString(), 'g');
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assert.equal(buffer.lines.get(2)!.translateToString(), 'h');
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assert.equal(buffer.lines.get(3)!.translateToString(), 'i');
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assert.equal(buffer.lines.get(4)!.translateToString(), 'j');
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assert.equal(buffer.lines.get(5)!.translateToString(), ' ');
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buffer.resize(10, 5);
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assert.equal(buffer.y, 1);
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assert.equal(buffer.ybase, 0);
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assert.equal(buffer.lines.length, 5);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'fghij ');
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assert.equal(buffer.lines.get(1)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(2)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(3)!.translateToString(), ' ');
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assert.equal(buffer.lines.get(4)!.translateToString(), ' ');
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});
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it('should remove the correct amount of rows when reflowing larger', () => {
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// This is a regression test to ensure that successive wrapped lines that are getting
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// 3+ lines removed on a reflow actually remove the right lines
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buffer.fillViewportRows();
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buffer.resize(10, 10);
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buffer.y = 2;
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const firstLine = buffer.lines.get(0)!;
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const secondLine = buffer.lines.get(1)!;
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for (let i = 0; i < 10; i++) {
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const code = 'a'.charCodeAt(0) + i;
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const char = String.fromCharCode(code);
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firstLine.set(i, [0, char, 1, code]);
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}
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for (let i = 0; i < 10; i++) {
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const code = '0'.charCodeAt(0) + i;
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const char = String.fromCharCode(code);
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secondLine.set(i, [0, char, 1, code]);
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}
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assert.equal(buffer.lines.length, 10);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'abcdefghij');
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assert.equal(buffer.lines.get(1)!.translateToString(), '0123456789');
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for (let i = 2; i < 10; i++) {
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assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
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}
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buffer.resize(2, 10);
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assert.equal(buffer.ybase, 1);
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assert.equal(buffer.lines.length, 11);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'ab');
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assert.equal(buffer.lines.get(1)!.translateToString(), 'cd');
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assert.equal(buffer.lines.get(2)!.translateToString(), 'ef');
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assert.equal(buffer.lines.get(3)!.translateToString(), 'gh');
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assert.equal(buffer.lines.get(4)!.translateToString(), 'ij');
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assert.equal(buffer.lines.get(5)!.translateToString(), '01');
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assert.equal(buffer.lines.get(6)!.translateToString(), '23');
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assert.equal(buffer.lines.get(7)!.translateToString(), '45');
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assert.equal(buffer.lines.get(8)!.translateToString(), '67');
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assert.equal(buffer.lines.get(9)!.translateToString(), '89');
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assert.equal(buffer.lines.get(10)!.translateToString(), ' ');
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buffer.resize(10, 10);
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assert.equal(buffer.ybase, 0);
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assert.equal(buffer.lines.length, 10);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'abcdefghij');
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assert.equal(buffer.lines.get(1)!.translateToString(), '0123456789');
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for (let i = 2; i < 10; i++) {
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assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
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}
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});
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it('should transfer combined char data over to reflowed lines', () => {
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buffer.fillViewportRows();
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buffer.resize(4, 3);
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buffer.y = 2;
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const firstLine = buffer.lines.get(0)!;
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firstLine.set(0, [ 0, 'a', 1, 'a'.charCodeAt(0) ]);
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firstLine.set(1, [ 0, 'b', 1, 'b'.charCodeAt(0) ]);
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firstLine.set(2, [ 0, 'c', 1, 'c'.charCodeAt(0) ]);
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firstLine.set(3, [ 0, '😁', 1, '😁'.charCodeAt(0) ]);
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assert.equal(buffer.lines.length, 3);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'abc😁');
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assert.equal(buffer.lines.get(1)!.translateToString(), ' ');
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buffer.resize(2, 3);
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assert.equal(buffer.lines.get(0)!.translateToString(), 'ab');
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assert.equal(buffer.lines.get(1)!.translateToString(), 'c😁');
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});
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it('should adjust markers when reflowing', () => {
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buffer.fillViewportRows();
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buffer.resize(10, 16);
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for (let i = 0; i < 10; i++) {
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const code = 'a'.charCodeAt(0) + i;
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const char = String.fromCharCode(code);
|
|
buffer.lines.get(0)!.set(i, [0, char, 1, code]);
|
|
}
|
|
for (let i = 0; i < 10; i++) {
|
|
const code = '0'.charCodeAt(0) + i;
|
|
const char = String.fromCharCode(code);
|
|
buffer.lines.get(1)!.set(i, [0, char, 1, code]);
|
|
}
|
|
for (let i = 0; i < 10; i++) {
|
|
const code = 'k'.charCodeAt(0) + i;
|
|
const char = String.fromCharCode(code);
|
|
buffer.lines.get(2)!.set(i, [0, char, 1, code]);
|
|
}
|
|
buffer.y = 3;
|
|
// Buffer:
|
|
// abcdefghij
|
|
// 0123456789
|
|
// abcdefghij
|
|
const firstMarker = buffer.addMarker(0);
|
|
const secondMarker = buffer.addMarker(1);
|
|
const thirdMarker = buffer.addMarker(2);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'abcdefghij');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), '0123456789');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'klmnopqrst');
|
|
assert.equal(firstMarker.line, 0);
|
|
assert.equal(secondMarker.line, 1);
|
|
assert.equal(thirdMarker.line, 2);
|
|
buffer.resize(2, 16);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'ab');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), 'cd');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'ef');
|
|
assert.equal(buffer.lines.get(3)!.translateToString(), 'gh');
|
|
assert.equal(buffer.lines.get(4)!.translateToString(), 'ij');
|
|
assert.equal(buffer.lines.get(5)!.translateToString(), '01');
|
|
assert.equal(buffer.lines.get(6)!.translateToString(), '23');
|
|
assert.equal(buffer.lines.get(7)!.translateToString(), '45');
|
|
assert.equal(buffer.lines.get(8)!.translateToString(), '67');
|
|
assert.equal(buffer.lines.get(9)!.translateToString(), '89');
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'kl');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'mn');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'op');
|
|
assert.equal(buffer.lines.get(13)!.translateToString(), 'qr');
|
|
assert.equal(buffer.lines.get(14)!.translateToString(), 'st');
|
|
assert.equal(firstMarker.line, 0, 'first marker should remain unchanged');
|
|
assert.equal(secondMarker.line, 5, 'second marker should be shifted since the first line wrapped');
|
|
assert.equal(thirdMarker.line, 10, 'third marker should be shifted since the first and second lines wrapped');
|
|
buffer.resize(10, 16);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'abcdefghij');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), '0123456789');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'klmnopqrst');
|
|
assert.equal(firstMarker.line, 0, 'first marker should remain unchanged');
|
|
assert.equal(secondMarker.line, 1, 'second marker should be restored to it\'s original line');
|
|
assert.equal(thirdMarker.line, 2, 'third marker should be restored to it\'s original line');
|
|
assert.equal(firstMarker.isDisposed, false);
|
|
assert.equal(secondMarker.isDisposed, false);
|
|
assert.equal(thirdMarker.isDisposed, false);
|
|
});
|
|
it('should dispose markers whose rows are trimmed during a reflow', () => {
|
|
buffer.fillViewportRows();
|
|
optionsService.options.scrollback = 1;
|
|
buffer.resize(10, 11);
|
|
for (let i = 0; i < 10; i++) {
|
|
const code = 'a'.charCodeAt(0) + i;
|
|
const char = String.fromCharCode(code);
|
|
buffer.lines.get(0)!.set(i, [0, char, 1, code]);
|
|
}
|
|
for (let i = 0; i < 10; i++) {
|
|
const code = '0'.charCodeAt(0) + i;
|
|
const char = String.fromCharCode(code);
|
|
buffer.lines.get(1)!.set(i, [0, char, 1, code]);
|
|
}
|
|
for (let i = 0; i < 10; i++) {
|
|
const code = 'k'.charCodeAt(0) + i;
|
|
const char = String.fromCharCode(code);
|
|
buffer.lines.get(2)!.set(i, [0, char, 1, code]);
|
|
}
|
|
buffer.y = 10;
|
|
// Buffer:
|
|
// abcdefghij
|
|
// 0123456789
|
|
// abcdefghij
|
|
const firstMarker = buffer.addMarker(0);
|
|
const secondMarker = buffer.addMarker(1);
|
|
const thirdMarker = buffer.addMarker(2);
|
|
buffer.y = 3;
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'abcdefghij');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), '0123456789');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'klmnopqrst');
|
|
assert.equal(firstMarker.line, 0);
|
|
assert.equal(secondMarker.line, 1);
|
|
assert.equal(thirdMarker.line, 2);
|
|
buffer.resize(2, 11);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'ij');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), '01');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), '23');
|
|
assert.equal(buffer.lines.get(3)!.translateToString(), '45');
|
|
assert.equal(buffer.lines.get(4)!.translateToString(), '67');
|
|
assert.equal(buffer.lines.get(5)!.translateToString(), '89');
|
|
assert.equal(buffer.lines.get(6)!.translateToString(), 'kl');
|
|
assert.equal(buffer.lines.get(7)!.translateToString(), 'mn');
|
|
assert.equal(buffer.lines.get(8)!.translateToString(), 'op');
|
|
assert.equal(buffer.lines.get(9)!.translateToString(), 'qr');
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'st');
|
|
assert.equal(secondMarker.line, 1, 'second marker should remain the same as it was shifted 4 and trimmed 4');
|
|
assert.equal(thirdMarker.line, 6, 'third marker should be shifted since the first and second lines wrapped');
|
|
assert.equal(firstMarker.isDisposed, true, 'first marker was trimmed');
|
|
assert.equal(secondMarker.isDisposed, false);
|
|
assert.equal(thirdMarker.isDisposed, false);
|
|
buffer.resize(10, 11);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'ij ');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), '0123456789');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'klmnopqrst');
|
|
assert.equal(secondMarker.line, 1, 'second marker should be restored');
|
|
assert.equal(thirdMarker.line, 2, 'third marker should be restored');
|
|
});
|
|
it('should correctly reflow wrapped lines that end in 0 space (via tab char)', () => {
|
|
buffer.fillViewportRows();
|
|
buffer.resize(4, 10);
|
|
buffer.y = 2;
|
|
buffer.lines.get(0)!.set(0, [0, 'a', 1, 'a'.charCodeAt(0)]);
|
|
buffer.lines.get(0)!.set(1, [0, 'b', 1, 'b'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(0, [0, 'c', 1, 'c'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(1, [0, 'd', 1, 'd'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.isWrapped = true;
|
|
// Buffer:
|
|
// "ab " (wrapped)
|
|
// "cd"
|
|
buffer.resize(5, 10);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), 'ab c');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(false), 'd ');
|
|
buffer.resize(6, 10);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), 'ab cd');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(false), ' ');
|
|
});
|
|
it('should wrap wide characters correctly when reflowing larger', () => {
|
|
buffer.fillViewportRows();
|
|
buffer.resize(12, 10);
|
|
buffer.y = 2;
|
|
for (let i = 0; i < 12; i += 4) {
|
|
buffer.lines.get(0)!.set(i, [0, '汉', 2, '汉'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(i, [0, '汉', 2, '汉'.charCodeAt(0)]);
|
|
}
|
|
for (let i = 2; i < 12; i += 4) {
|
|
buffer.lines.get(0)!.set(i, [0, '语', 2, '语'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(i, [0, '语', 2, '语'.charCodeAt(0)]);
|
|
}
|
|
for (let i = 1; i < 12; i += 2) {
|
|
buffer.lines.get(0)!.set(i, [0, '', 0, 0]);
|
|
buffer.lines.get(1)!.set(i, [0, '', 0, 0]);
|
|
}
|
|
buffer.lines.get(1)!.isWrapped = true;
|
|
// Buffer:
|
|
// 汉语汉语汉语 (wrapped)
|
|
// 汉语汉语汉语
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉语汉语');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '汉语汉语汉语');
|
|
buffer.resize(13, 10);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉语汉语');
|
|
assert.equal(buffer.lines.get(0)!.translateToString(false), '汉语汉语汉语 ');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '汉语汉语汉语');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(false), '汉语汉语汉语 ');
|
|
buffer.resize(14, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉语汉语汉');
|
|
assert.equal(buffer.lines.get(0)!.translateToString(false), '汉语汉语汉语汉');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '语汉语汉语');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(false), '语汉语汉语 ');
|
|
});
|
|
it('should correctly reflow wrapped lines that end in 0 space (via tab char)', () => {
|
|
buffer.fillViewportRows();
|
|
buffer.resize(4, 10);
|
|
buffer.y = 2;
|
|
buffer.lines.get(0)!.set(0, [0, 'a', 1, 'a'.charCodeAt(0)]);
|
|
buffer.lines.get(0)!.set(1, [0, 'b', 1, 'b'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(0, [0, 'c', 1, 'c'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(1, [0, 'd', 1, 'd'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.isWrapped = true;
|
|
// Buffer:
|
|
// "ab " (wrapped)
|
|
// "cd"
|
|
buffer.resize(3, 10);
|
|
assert.equal(buffer.y, 2);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(false), 'ab ');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(false), ' cd');
|
|
buffer.resize(2, 10);
|
|
assert.equal(buffer.y, 3);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(false), 'ab');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(false), ' ');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(false), 'cd');
|
|
});
|
|
it('should wrap wide characters correctly when reflowing smaller', () => {
|
|
buffer.fillViewportRows();
|
|
buffer.resize(12, 10);
|
|
buffer.y = 2;
|
|
for (let i = 0; i < 12; i += 4) {
|
|
buffer.lines.get(0)!.set(i, [0, '汉', 2, '汉'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(i, [0, '汉', 2, '汉'.charCodeAt(0)]);
|
|
}
|
|
for (let i = 2; i < 12; i += 4) {
|
|
buffer.lines.get(0)!.set(i, [0, '语', 2, '语'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(i, [0, '语', 2, '语'.charCodeAt(0)]);
|
|
}
|
|
for (let i = 1; i < 12; i += 2) {
|
|
buffer.lines.get(0)!.set(i, [0, '', 0, 0]);
|
|
buffer.lines.get(1)!.set(i, [0, '', 0, 0]);
|
|
}
|
|
buffer.lines.get(1)!.isWrapped = true;
|
|
// Buffer:
|
|
// 汉语汉语汉语 (wrapped)
|
|
// 汉语汉语汉语
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉语汉语');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '汉语汉语汉语');
|
|
buffer.resize(11, 10);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉语汉');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '语汉语汉语');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(true), '汉语');
|
|
buffer.resize(10, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉语汉');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '语汉语汉语');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(true), '汉语');
|
|
buffer.resize(9, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉语');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '汉语汉语');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(true), '汉语汉语');
|
|
buffer.resize(8, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉语');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '汉语汉语');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(true), '汉语汉语');
|
|
buffer.resize(7, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '语汉语');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(true), '汉语汉');
|
|
assert.equal(buffer.lines.get(3)!.translateToString(true), '语汉语');
|
|
buffer.resize(6, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(true), '汉语汉');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(true), '语汉语');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(true), '汉语汉');
|
|
assert.equal(buffer.lines.get(3)!.translateToString(true), '语汉语');
|
|
});
|
|
|
|
describe('reflowLarger cases', () => {
|
|
beforeEach(() => {
|
|
// Setup buffer state:
|
|
// 'ab'
|
|
// 'cd' (wrapped)
|
|
// 'ef'
|
|
// 'gh' (wrapped)
|
|
// 'ij'
|
|
// 'kl' (wrapped)
|
|
// ' '
|
|
// ' '
|
|
// ' '
|
|
// ' '
|
|
buffer.fillViewportRows();
|
|
buffer.resize(2, 10);
|
|
buffer.lines.get(0)!.set(0, [0, 'a', 1, 'a'.charCodeAt(0)]);
|
|
buffer.lines.get(0)!.set(1, [0, 'b', 1, 'b'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(0, [0, 'c', 1, 'c'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(1, [0, 'd', 1, 'd'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.isWrapped = true;
|
|
buffer.lines.get(2)!.set(0, [0, 'e', 1, 'e'.charCodeAt(0)]);
|
|
buffer.lines.get(2)!.set(1, [0, 'f', 1, 'f'.charCodeAt(0)]);
|
|
buffer.lines.get(3)!.set(0, [0, 'g', 1, 'g'.charCodeAt(0)]);
|
|
buffer.lines.get(3)!.set(1, [0, 'h', 1, 'h'.charCodeAt(0)]);
|
|
buffer.lines.get(3)!.isWrapped = true;
|
|
buffer.lines.get(4)!.set(0, [0, 'i', 1, 'i'.charCodeAt(0)]);
|
|
buffer.lines.get(4)!.set(1, [0, 'j', 1, 'j'.charCodeAt(0)]);
|
|
buffer.lines.get(5)!.set(0, [0, 'k', 1, 'k'.charCodeAt(0)]);
|
|
buffer.lines.get(5)!.set(1, [0, 'l', 1, 'l'.charCodeAt(0)]);
|
|
buffer.lines.get(5)!.isWrapped = true;
|
|
});
|
|
describe('viewport not yet filled', () => {
|
|
it('should move the cursor up and add empty lines', () => {
|
|
buffer.y = 6;
|
|
buffer.resize(4, 10);
|
|
assert.equal(buffer.y, 3);
|
|
assert.equal(buffer.ydisp, 0);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'abcd');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), 'efgh');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'ijkl');
|
|
for (let i = 3; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines: number[] = [];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
describe('viewport filled, scrollback remaining', () => {
|
|
beforeEach(() => {
|
|
buffer.y = 9;
|
|
});
|
|
describe('ybase === 0', () => {
|
|
it('should move the cursor up and add empty lines', () => {
|
|
buffer.resize(4, 10);
|
|
assert.equal(buffer.y, 6);
|
|
assert.equal(buffer.ydisp, 0);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'abcd');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), 'efgh');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'ijkl');
|
|
for (let i = 3; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines: number[] = [];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
describe('ybase !== 0', () => {
|
|
beforeEach(() => {
|
|
// Add 10 empty rows to start
|
|
for (let i = 0; i < 10; i++) {
|
|
buffer.lines.splice(0, 0, buffer.getBlankLine(DEFAULT_ATTR_DATA));
|
|
}
|
|
buffer.ybase = 10;
|
|
});
|
|
describe('&& ydisp === ybase', () => {
|
|
it('should adjust the viewport and keep ydisp = ybase', () => {
|
|
buffer.ydisp = 10;
|
|
buffer.resize(4, 10);
|
|
assert.equal(buffer.y, 9);
|
|
assert.equal(buffer.ydisp, 7);
|
|
assert.equal(buffer.ybase, 7);
|
|
assert.equal(buffer.lines.length, 17);
|
|
for (let i = 0; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'abcd');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'efgh');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'ijkl');
|
|
for (let i = 13; i < 17; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines: number[] = [];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
describe('&& ydisp !== ybase', () => {
|
|
it('should keep ydisp at the same value', () => {
|
|
buffer.ydisp = 5;
|
|
buffer.resize(4, 10);
|
|
assert.equal(buffer.y, 9);
|
|
assert.equal(buffer.ydisp, 5);
|
|
assert.equal(buffer.ybase, 7);
|
|
assert.equal(buffer.lines.length, 17);
|
|
for (let i = 0; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'abcd');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'efgh');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'ijkl');
|
|
for (let i = 13; i < 17; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines: number[] = [];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
});
|
|
});
|
|
describe('viewport filled, no scrollback remaining', () => {
|
|
// ybase === 0 doesn't make sense here as scrollback=0 isn't really supported
|
|
describe('ybase !== 0', () => {
|
|
beforeEach(() => {
|
|
optionsService.options.scrollback = 10;
|
|
// Add 10 empty rows to start
|
|
for (let i = 0; i < 10; i++) {
|
|
buffer.lines.splice(0, 0, buffer.getBlankLine(DEFAULT_ATTR_DATA));
|
|
}
|
|
buffer.y = 9;
|
|
buffer.ybase = 10;
|
|
});
|
|
describe('&& ydisp === ybase', () => {
|
|
it('should trim lines and keep ydisp = ybase', () => {
|
|
buffer.ydisp = 10;
|
|
buffer.resize(4, 10);
|
|
assert.equal(buffer.y, 9);
|
|
assert.equal(buffer.ydisp, 7);
|
|
assert.equal(buffer.ybase, 7);
|
|
assert.equal(buffer.lines.length, 17);
|
|
for (let i = 0; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'abcd');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'efgh');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'ijkl');
|
|
for (let i = 13; i < 17; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines: number[] = [];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
describe('&& ydisp !== ybase', () => {
|
|
it('should trim lines and not change ydisp', () => {
|
|
buffer.ydisp = 5;
|
|
buffer.resize(4, 10);
|
|
assert.equal(buffer.y, 9);
|
|
assert.equal(buffer.ydisp, 5);
|
|
assert.equal(buffer.ybase, 7);
|
|
assert.equal(buffer.lines.length, 17);
|
|
for (let i = 0; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'abcd');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'efgh');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'ijkl');
|
|
for (let i = 13; i < 17; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines: number[] = [];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
describe('reflowSmaller cases', () => {
|
|
beforeEach(() => {
|
|
// Setup buffer state:
|
|
// 'abcd'
|
|
// 'efgh' (wrapped)
|
|
// 'ijkl'
|
|
// ' '
|
|
// ' '
|
|
// ' '
|
|
// ' '
|
|
// ' '
|
|
// ' '
|
|
// ' '
|
|
buffer.fillViewportRows();
|
|
buffer.resize(4, 10);
|
|
buffer.lines.get(0)!.set(0, [0, 'a', 1, 'a'.charCodeAt(0)]);
|
|
buffer.lines.get(0)!.set(1, [0, 'b', 1, 'b'.charCodeAt(0)]);
|
|
buffer.lines.get(0)!.set(2, [0, 'c', 1, 'c'.charCodeAt(0)]);
|
|
buffer.lines.get(0)!.set(3, [0, 'd', 1, 'd'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(0, [0, 'e', 1, 'e'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(1, [0, 'f', 1, 'f'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(2, [0, 'g', 1, 'g'.charCodeAt(0)]);
|
|
buffer.lines.get(1)!.set(3, [0, 'h', 1, 'h'.charCodeAt(0)]);
|
|
buffer.lines.get(2)!.set(0, [0, 'i', 1, 'i'.charCodeAt(0)]);
|
|
buffer.lines.get(2)!.set(1, [0, 'j', 1, 'j'.charCodeAt(0)]);
|
|
buffer.lines.get(2)!.set(2, [0, 'k', 1, 'k'.charCodeAt(0)]);
|
|
buffer.lines.get(2)!.set(3, [0, 'l', 1, 'l'.charCodeAt(0)]);
|
|
});
|
|
describe('viewport not yet filled', () => {
|
|
it('should move the cursor down', () => {
|
|
buffer.y = 3;
|
|
buffer.resize(2, 10);
|
|
assert.equal(buffer.y, 6);
|
|
assert.equal(buffer.ydisp, 0);
|
|
assert.equal(buffer.ybase, 0);
|
|
assert.equal(buffer.lines.length, 10);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'ab');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), 'cd');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'ef');
|
|
assert.equal(buffer.lines.get(3)!.translateToString(), 'gh');
|
|
assert.equal(buffer.lines.get(4)!.translateToString(), 'ij');
|
|
assert.equal(buffer.lines.get(5)!.translateToString(), 'kl');
|
|
for (let i = 6; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines = [1, 3, 5];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
describe('viewport filled, scrollback remaining', () => {
|
|
beforeEach(() => {
|
|
buffer.y = 9;
|
|
});
|
|
describe('ybase === 0', () => {
|
|
it('should trim the top', () => {
|
|
buffer.resize(2, 10);
|
|
assert.equal(buffer.y, 9);
|
|
assert.equal(buffer.ydisp, 3);
|
|
assert.equal(buffer.ybase, 3);
|
|
assert.equal(buffer.lines.length, 13);
|
|
assert.equal(buffer.lines.get(0)!.translateToString(), 'ab');
|
|
assert.equal(buffer.lines.get(1)!.translateToString(), 'cd');
|
|
assert.equal(buffer.lines.get(2)!.translateToString(), 'ef');
|
|
assert.equal(buffer.lines.get(3)!.translateToString(), 'gh');
|
|
assert.equal(buffer.lines.get(4)!.translateToString(), 'ij');
|
|
assert.equal(buffer.lines.get(5)!.translateToString(), 'kl');
|
|
for (let i = 6; i < 13; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines = [1, 3, 5];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
describe('ybase !== 0', () => {
|
|
beforeEach(() => {
|
|
// Add 10 empty rows to start
|
|
for (let i = 0; i < 10; i++) {
|
|
buffer.lines.splice(0, 0, buffer.getBlankLine(DEFAULT_ATTR_DATA));
|
|
}
|
|
buffer.ybase = 10;
|
|
});
|
|
describe('&& ydisp === ybase', () => {
|
|
it('should adjust the viewport and keep ydisp = ybase', () => {
|
|
buffer.ydisp = 10;
|
|
buffer.resize(2, 10);
|
|
assert.equal(buffer.ydisp, 13);
|
|
assert.equal(buffer.ybase, 13);
|
|
assert.equal(buffer.lines.length, 23);
|
|
for (let i = 0; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'ab');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'cd');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'ef');
|
|
assert.equal(buffer.lines.get(13)!.translateToString(), 'gh');
|
|
assert.equal(buffer.lines.get(14)!.translateToString(), 'ij');
|
|
assert.equal(buffer.lines.get(15)!.translateToString(), 'kl');
|
|
for (let i = 16; i < 23; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines = [11, 13, 15];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
describe('&& ydisp !== ybase', () => {
|
|
it('should keep ydisp at the same value', () => {
|
|
buffer.ydisp = 5;
|
|
buffer.resize(2, 10);
|
|
assert.equal(buffer.ydisp, 5);
|
|
assert.equal(buffer.ybase, 13);
|
|
assert.equal(buffer.lines.length, 23);
|
|
for (let i = 0; i < 10; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'ab');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'cd');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'ef');
|
|
assert.equal(buffer.lines.get(13)!.translateToString(), 'gh');
|
|
assert.equal(buffer.lines.get(14)!.translateToString(), 'ij');
|
|
assert.equal(buffer.lines.get(15)!.translateToString(), 'kl');
|
|
for (let i = 16; i < 23; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines = [11, 13, 15];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
});
|
|
});
|
|
describe('viewport filled, no scrollback remaining', () => {
|
|
// ybase === 0 doesn't make sense here as scrollback=0 isn't really supported
|
|
describe('ybase !== 0', () => {
|
|
beforeEach(() => {
|
|
optionsService.options.scrollback = 10;
|
|
// Add 10 empty rows to start
|
|
for (let i = 0; i < 10; i++) {
|
|
buffer.lines.splice(0, 0, buffer.getBlankLine(DEFAULT_ATTR_DATA));
|
|
}
|
|
buffer.ybase = 10;
|
|
});
|
|
describe('&& ydisp === ybase', () => {
|
|
it('should trim lines and keep ydisp = ybase', () => {
|
|
buffer.ydisp = 10;
|
|
buffer.y = 13;
|
|
buffer.resize(2, 10);
|
|
assert.equal(buffer.ydisp, 10);
|
|
assert.equal(buffer.ybase, 10);
|
|
assert.equal(buffer.lines.length, 20);
|
|
for (let i = 0; i < 7; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
assert.equal(buffer.lines.get(7)!.translateToString(), 'ab');
|
|
assert.equal(buffer.lines.get(8)!.translateToString(), 'cd');
|
|
assert.equal(buffer.lines.get(9)!.translateToString(), 'ef');
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'gh');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'ij');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'kl');
|
|
for (let i = 13; i < 20; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines = [8, 10, 12];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
describe('&& ydisp !== ybase', () => {
|
|
it('should trim lines and not change ydisp', () => {
|
|
buffer.ydisp = 5;
|
|
buffer.y = 13;
|
|
buffer.resize(2, 10);
|
|
assert.equal(buffer.ydisp, 5);
|
|
assert.equal(buffer.ybase, 10);
|
|
assert.equal(buffer.lines.length, 20);
|
|
for (let i = 0; i < 7; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
assert.equal(buffer.lines.get(7)!.translateToString(), 'ab');
|
|
assert.equal(buffer.lines.get(8)!.translateToString(), 'cd');
|
|
assert.equal(buffer.lines.get(9)!.translateToString(), 'ef');
|
|
assert.equal(buffer.lines.get(10)!.translateToString(), 'gh');
|
|
assert.equal(buffer.lines.get(11)!.translateToString(), 'ij');
|
|
assert.equal(buffer.lines.get(12)!.translateToString(), 'kl');
|
|
for (let i = 13; i < 20; i++) {
|
|
assert.equal(buffer.lines.get(i)!.translateToString(), ' ');
|
|
}
|
|
const wrappedLines = [8, 10, 12];
|
|
for (let i = 0; i < buffer.lines.length; i++) {
|
|
assert.equal(buffer.lines.get(i)!.isWrapped, wrappedLines.includes(i), `line ${i} isWrapped must equal ${wrappedLines.includes(i)}`);
|
|
}
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('buffer marked to have no scrollback', () => {
|
|
it('should always have a scrollback of 0', () => {
|
|
// Test size on initialization
|
|
buffer = new Buffer(false, new MockOptionsService({ scrollback: 1000 }), bufferService);
|
|
buffer.fillViewportRows();
|
|
assert.equal(buffer.lines.maxLength, INIT_ROWS);
|
|
// Test size on buffer increase
|
|
buffer.resize(INIT_COLS, INIT_ROWS * 2);
|
|
assert.equal(buffer.lines.maxLength, INIT_ROWS * 2);
|
|
// Test size on buffer decrease
|
|
buffer.resize(INIT_COLS, INIT_ROWS / 2);
|
|
assert.equal(buffer.lines.maxLength, INIT_ROWS / 2);
|
|
});
|
|
});
|
|
|
|
describe('addMarker', () => {
|
|
it('should adjust a marker line when the buffer is trimmed', () => {
|
|
buffer = new Buffer(true, new MockOptionsService({ scrollback: 0 }), bufferService);
|
|
buffer.fillViewportRows();
|
|
const marker = buffer.addMarker(buffer.lines.length - 1);
|
|
assert.equal(marker.line, buffer.lines.length - 1);
|
|
buffer.lines.onTrimEmitter.fire(1);
|
|
assert.equal(marker.line, buffer.lines.length - 2);
|
|
});
|
|
it('should dispose of a marker if it is trimmed off the buffer', () => {
|
|
buffer = new Buffer(true, new MockOptionsService({ scrollback: 0 }), bufferService);
|
|
buffer.fillViewportRows();
|
|
assert.equal(buffer.markers.length, 0);
|
|
const marker = buffer.addMarker(0);
|
|
assert.equal(marker.isDisposed, false);
|
|
assert.equal(buffer.markers.length, 1);
|
|
buffer.lines.onTrimEmitter.fire(1);
|
|
assert.equal(marker.isDisposed, true);
|
|
assert.equal(buffer.markers.length, 0);
|
|
});
|
|
it('should call onDispose', () => {
|
|
const eventStack: string[] = [];
|
|
buffer = new Buffer(true, new MockOptionsService({ scrollback: 0 }), bufferService);
|
|
buffer.fillViewportRows();
|
|
assert.equal(buffer.markers.length, 0);
|
|
const marker = buffer.addMarker(0);
|
|
marker.onDispose(() => eventStack.push('disposed'));
|
|
assert.equal(marker.isDisposed, false);
|
|
assert.equal(buffer.markers.length, 1);
|
|
buffer.lines.onTrimEmitter.fire(1);
|
|
assert.equal(marker.isDisposed, true);
|
|
assert.equal(buffer.markers.length, 0);
|
|
assert.deepEqual(eventStack, ['disposed']);
|
|
});
|
|
});
|
|
|
|
describe ('translateBufferLineToString', () => {
|
|
it('should handle selecting a section of ascii text', () => {
|
|
const line = new BufferLine(4);
|
|
line.setCell(0, CellData.fromCharData([ 0, 'a', 1, 'a'.charCodeAt(0)]));
|
|
line.setCell(1, CellData.fromCharData([ 0, 'b', 1, 'b'.charCodeAt(0)]));
|
|
line.setCell(2, CellData.fromCharData([ 0, 'c', 1, 'c'.charCodeAt(0)]));
|
|
line.setCell(3, CellData.fromCharData([ 0, 'd', 1, 'd'.charCodeAt(0)]));
|
|
buffer.lines.set(0, line);
|
|
|
|
const str = buffer.translateBufferLineToString(0, true, 0, 2);
|
|
assert.equal(str, 'ab');
|
|
});
|
|
|
|
it('should handle a cut-off double width character by including it', () => {
|
|
const line = new BufferLine(3);
|
|
line.setCell(0, CellData.fromCharData([ 0, '語', 2, 35486 ]));
|
|
line.setCell(1, CellData.fromCharData([ 0, '', 0, 0]));
|
|
line.setCell(2, CellData.fromCharData([ 0, 'a', 1, 'a'.charCodeAt(0)]));
|
|
buffer.lines.set(0, line);
|
|
|
|
const str1 = buffer.translateBufferLineToString(0, true, 0, 1);
|
|
assert.equal(str1, '語');
|
|
});
|
|
|
|
it('should handle a zero width character in the middle of the string by not including it', () => {
|
|
const line = new BufferLine(3);
|
|
line.setCell(0, CellData.fromCharData([ 0, '語', 2, '語'.charCodeAt(0) ]));
|
|
line.setCell(1, CellData.fromCharData([ 0, '', 0, 0]));
|
|
line.setCell(2, CellData.fromCharData([ 0, 'a', 1, 'a'.charCodeAt(0)]));
|
|
buffer.lines.set(0, line);
|
|
|
|
const str0 = buffer.translateBufferLineToString(0, true, 0, 1);
|
|
assert.equal(str0, '語');
|
|
|
|
const str1 = buffer.translateBufferLineToString(0, true, 0, 2);
|
|
assert.equal(str1, '語');
|
|
|
|
const str2 = buffer.translateBufferLineToString(0, true, 0, 3);
|
|
assert.equal(str2, '語a');
|
|
});
|
|
|
|
it('should handle single width emojis', () => {
|
|
const line = new BufferLine(2);
|
|
line.setCell(0, CellData.fromCharData([ 0, '😁', 1, '😁'.charCodeAt(0) ]));
|
|
line.setCell(1, CellData.fromCharData([ 0, 'a', 1, 'a'.charCodeAt(0)]));
|
|
buffer.lines.set(0, line);
|
|
|
|
const str1 = buffer.translateBufferLineToString(0, true, 0, 1);
|
|
assert.equal(str1, '😁');
|
|
|
|
const str2 = buffer.translateBufferLineToString(0, true, 0, 2);
|
|
assert.equal(str2, '😁a');
|
|
});
|
|
|
|
it('should handle double width emojis', () => {
|
|
const line = new BufferLine(2);
|
|
line.setCell(0, CellData.fromCharData([ 0, '😁', 2, '😁'.charCodeAt(0) ]));
|
|
line.setCell(1, CellData.fromCharData([ 0, '', 0, 0]));
|
|
buffer.lines.set(0, line);
|
|
|
|
const str1 = buffer.translateBufferLineToString(0, true, 0, 1);
|
|
assert.equal(str1, '😁');
|
|
|
|
const str2 = buffer.translateBufferLineToString(0, true, 0, 2);
|
|
assert.equal(str2, '😁');
|
|
|
|
const line2 = new BufferLine(3);
|
|
line2.setCell(0, CellData.fromCharData([ 0, '😁', 2, '😁'.charCodeAt(0) ]));
|
|
line2.setCell(1, CellData.fromCharData([ 0, '', 0, 0]));
|
|
line2.setCell(2, CellData.fromCharData([ 0, 'a', 1, 'a'.charCodeAt(0)]));
|
|
buffer.lines.set(0, line2);
|
|
|
|
const str3 = buffer.translateBufferLineToString(0, true, 0, 3);
|
|
assert.equal(str3, '😁a');
|
|
});
|
|
});
|
|
});
|