571 lines
23 KiB
TypeScript
571 lines
23 KiB
TypeScript
/**
|
|
* Copyright (c) 2017 The xterm.js authors. All rights reserved.
|
|
* @license MIT
|
|
*/
|
|
|
|
import { assert, expect } from 'chai';
|
|
import { InputHandler } from './InputHandler';
|
|
import { MockInputHandlingTerminal } from './ui/TestUtils.test';
|
|
import { NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, CHAR_DATA_CHAR_INDEX, CHAR_DATA_ATTR_INDEX, DEFAULT_ATTR } from './Buffer';
|
|
import { Terminal } from './Terminal';
|
|
import { IBufferLine } from './Types';
|
|
|
|
|
|
// TODO: This and the sections related to this object in associated tests can be
|
|
// removed safely after InputHandler refactors are finished
|
|
class OldInputHandler extends InputHandler {
|
|
public eraseInLine(params: number[]): void {
|
|
switch (params[0]) {
|
|
case 0:
|
|
this.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);
|
|
break;
|
|
case 1:
|
|
this.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);
|
|
break;
|
|
case 2:
|
|
this.eraseLine(this._terminal.buffer.y);
|
|
break;
|
|
}
|
|
}
|
|
|
|
public eraseInDisplay(params: number[]): void {
|
|
let j;
|
|
switch (params[0]) {
|
|
case 0:
|
|
this.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);
|
|
j = this._terminal.buffer.y + 1;
|
|
for (; j < this._terminal.rows; j++) {
|
|
this.eraseLine(j);
|
|
}
|
|
break;
|
|
case 1:
|
|
this.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);
|
|
j = this._terminal.buffer.y;
|
|
while (j--) {
|
|
this.eraseLine(j);
|
|
}
|
|
break;
|
|
case 2:
|
|
j = this._terminal.rows;
|
|
while (j--) this.eraseLine(j);
|
|
break;
|
|
case 3:
|
|
// Clear scrollback (everything not in viewport)
|
|
const scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;
|
|
if (scrollBackSize > 0) {
|
|
this._terminal.buffer.lines.trimStart(scrollBackSize);
|
|
this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);
|
|
this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);
|
|
// Force a scroll event to refresh viewport
|
|
this._terminal.emit('scroll', 0);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Erase in the identified line everything from "x" to the end of the line (right).
|
|
* @param x The column from which to start erasing to the end of the line.
|
|
* @param y The line in which to operate.
|
|
*/
|
|
public eraseRight(x: number, y: number): void {
|
|
const line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + y);
|
|
if (!line) {
|
|
return;
|
|
}
|
|
line.replaceCells(x, this._terminal.cols, [this._terminal.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
|
|
this._terminal.updateRange(y);
|
|
}
|
|
|
|
/**
|
|
* Erase in the identified line everything from "x" to the start of the line (left).
|
|
* @param x The column from which to start erasing to the start of the line.
|
|
* @param y The line in which to operate.
|
|
*/
|
|
public eraseLeft(x: number, y: number): void {
|
|
const line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + y);
|
|
if (!line) {
|
|
return;
|
|
}
|
|
line.replaceCells(0, x + 1, [this._terminal.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
|
|
this._terminal.updateRange(y);
|
|
}
|
|
|
|
/**
|
|
* Erase all content in the given line
|
|
* @param y The line to erase all of its contents.
|
|
*/
|
|
public eraseLine(y: number): void {
|
|
this.eraseRight(0, y);
|
|
}
|
|
|
|
public insertChars(params: number[]): void {
|
|
let param = params[0];
|
|
if (param < 1) param = 1;
|
|
|
|
// make buffer local for faster access
|
|
const buffer = this._terminal.buffer;
|
|
|
|
const row = buffer.y + buffer.ybase;
|
|
let j = buffer.x;
|
|
while (param-- && j < this._terminal.cols) {
|
|
buffer.lines.get(row).insertCells(j++, 1, [this._terminal.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
|
|
}
|
|
}
|
|
|
|
public deleteChars(params: number[]): void {
|
|
let param: number = params[0];
|
|
if (param < 1) {
|
|
param = 1;
|
|
}
|
|
|
|
// make buffer local for faster access
|
|
const buffer = this._terminal.buffer;
|
|
|
|
const row = buffer.y + buffer.ybase;
|
|
while (param--) {
|
|
buffer.lines.get(row).deleteCells(buffer.x, 1, [this._terminal.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
|
|
}
|
|
this._terminal.updateRange(buffer.y);
|
|
}
|
|
}
|
|
|
|
describe('InputHandler', () => {
|
|
describe('save and restore cursor', () => {
|
|
const terminal = new MockInputHandlingTerminal();
|
|
terminal.buffer.x = 1;
|
|
terminal.buffer.y = 2;
|
|
terminal.curAttr = 3;
|
|
const inputHandler = new InputHandler(terminal);
|
|
// Save cursor position
|
|
inputHandler.saveCursor([]);
|
|
assert.equal(terminal.buffer.x, 1);
|
|
assert.equal(terminal.buffer.y, 2);
|
|
assert.equal(terminal.curAttr, 3);
|
|
// Change cursor position
|
|
terminal.buffer.x = 10;
|
|
terminal.buffer.y = 20;
|
|
terminal.curAttr = 30;
|
|
// Restore cursor position
|
|
inputHandler.restoreCursor([]);
|
|
assert.equal(terminal.buffer.x, 1);
|
|
assert.equal(terminal.buffer.y, 2);
|
|
assert.equal(terminal.curAttr, 3);
|
|
});
|
|
describe('setCursorStyle', () => {
|
|
it('should call Terminal.setOption with correct params', () => {
|
|
const terminal = new MockInputHandlingTerminal();
|
|
const inputHandler = new InputHandler(terminal);
|
|
const collect = ' ';
|
|
|
|
inputHandler.setCursorStyle([0], collect);
|
|
assert.equal(terminal.options['cursorStyle'], 'block');
|
|
assert.equal(terminal.options['cursorBlink'], true);
|
|
|
|
terminal.options = {};
|
|
inputHandler.setCursorStyle([1], collect);
|
|
assert.equal(terminal.options['cursorStyle'], 'block');
|
|
assert.equal(terminal.options['cursorBlink'], true);
|
|
|
|
terminal.options = {};
|
|
inputHandler.setCursorStyle([2], collect);
|
|
assert.equal(terminal.options['cursorStyle'], 'block');
|
|
assert.equal(terminal.options['cursorBlink'], false);
|
|
|
|
terminal.options = {};
|
|
inputHandler.setCursorStyle([3], collect);
|
|
assert.equal(terminal.options['cursorStyle'], 'underline');
|
|
assert.equal(terminal.options['cursorBlink'], true);
|
|
|
|
terminal.options = {};
|
|
inputHandler.setCursorStyle([4], collect);
|
|
assert.equal(terminal.options['cursorStyle'], 'underline');
|
|
assert.equal(terminal.options['cursorBlink'], false);
|
|
|
|
terminal.options = {};
|
|
inputHandler.setCursorStyle([5], collect);
|
|
assert.equal(terminal.options['cursorStyle'], 'bar');
|
|
assert.equal(terminal.options['cursorBlink'], true);
|
|
|
|
terminal.options = {};
|
|
inputHandler.setCursorStyle([6], collect);
|
|
assert.equal(terminal.options['cursorStyle'], 'bar');
|
|
assert.equal(terminal.options['cursorBlink'], false);
|
|
});
|
|
});
|
|
describe('setMode', () => {
|
|
it('should toggle Terminal.bracketedPasteMode', () => {
|
|
const terminal = new MockInputHandlingTerminal();
|
|
const collect = '?';
|
|
terminal.bracketedPasteMode = false;
|
|
const inputHandler = new InputHandler(terminal);
|
|
// Set bracketed paste mode
|
|
inputHandler.setMode([2004], collect);
|
|
assert.equal(terminal.bracketedPasteMode, true);
|
|
// Reset bracketed paste mode
|
|
inputHandler.resetMode([2004], collect);
|
|
assert.equal(terminal.bracketedPasteMode, false);
|
|
});
|
|
});
|
|
describe('regression tests', function(): void {
|
|
function lineContent(line: IBufferLine): string {
|
|
let content = '';
|
|
for (let i = 0; i < line.length; ++i) content += line.get(i)[CHAR_DATA_CHAR_INDEX];
|
|
return content;
|
|
}
|
|
|
|
function termContent(term: Terminal): string[] {
|
|
const result = [];
|
|
for (let i = 0; i < term.rows; ++i) result.push(lineContent(term.buffer.lines.get(i)));
|
|
return result;
|
|
}
|
|
|
|
it('insertChars', function(): void {
|
|
const term = new Terminal();
|
|
const inputHandler = new InputHandler(term);
|
|
const oldInputHandler = new OldInputHandler(term);
|
|
|
|
// insert some data in first and second line
|
|
inputHandler.parse(Array(term.cols - 9).join('a'));
|
|
inputHandler.parse('1234567890');
|
|
inputHandler.parse(Array(term.cols - 9).join('a'));
|
|
inputHandler.parse('1234567890');
|
|
const line1: IBufferLine = term.buffer.lines.get(0); // line for old variant
|
|
const line2: IBufferLine = term.buffer.lines.get(1); // line for new variant
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + '1234567890');
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + '1234567890');
|
|
|
|
// insert one char from params = [0]
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.insertChars([0]);
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + ' 123456789');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.insertChars([0]);
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + ' 123456789');
|
|
expect(lineContent(line2)).equals(lineContent(line1));
|
|
|
|
// insert one char from params = [1]
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.insertChars([1]);
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + ' 12345678');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.insertChars([1]);
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + ' 12345678');
|
|
expect(lineContent(line2)).equals(lineContent(line1));
|
|
|
|
// insert two chars from params = [2]
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.insertChars([2]);
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + ' 123456');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.insertChars([2]);
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + ' 123456');
|
|
expect(lineContent(line2)).equals(lineContent(line1));
|
|
|
|
// insert 10 chars from params = [10]
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.insertChars([10]);
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + ' ');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.insertChars([10]);
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + ' ');
|
|
expect(lineContent(line2)).equals(lineContent(line1));
|
|
});
|
|
it('deleteChars', function(): void {
|
|
const term = new Terminal();
|
|
const inputHandler = new InputHandler(term);
|
|
const oldInputHandler = new OldInputHandler(term);
|
|
|
|
// insert some data in first and second line
|
|
inputHandler.parse(Array(term.cols - 9).join('a'));
|
|
inputHandler.parse('1234567890');
|
|
inputHandler.parse(Array(term.cols - 9).join('a'));
|
|
inputHandler.parse('1234567890');
|
|
const line1: IBufferLine = term.buffer.lines.get(0); // line for old variant
|
|
const line2: IBufferLine = term.buffer.lines.get(1); // line for new variant
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + '1234567890');
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + '1234567890');
|
|
|
|
// delete one char from params = [0]
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.deleteChars([0]);
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + '234567890 ');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.deleteChars([0]);
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + '234567890 ');
|
|
expect(lineContent(line2)).equals(lineContent(line1));
|
|
|
|
// insert one char from params = [1]
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.deleteChars([1]);
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + '34567890 ');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.deleteChars([1]);
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + '34567890 ');
|
|
expect(lineContent(line2)).equals(lineContent(line1));
|
|
|
|
// insert two chars from params = [2]
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.deleteChars([2]);
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + '567890 ');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.deleteChars([2]);
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + '567890 ');
|
|
expect(lineContent(line2)).equals(lineContent(line1));
|
|
|
|
// insert 10 chars from params = [10]
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.deleteChars([10]);
|
|
expect(lineContent(line1)).equals(Array(term.cols - 9).join('a') + ' ');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.deleteChars([10]);
|
|
expect(lineContent(line2)).equals(Array(term.cols - 9).join('a') + ' ');
|
|
expect(lineContent(line2)).equals(lineContent(line1));
|
|
});
|
|
it('eraseInLine', function(): void {
|
|
const term = new Terminal();
|
|
const inputHandler = new InputHandler(term);
|
|
const oldInputHandler = new OldInputHandler(term);
|
|
|
|
// fill 6 lines to test 3 different states
|
|
inputHandler.parse(Array(term.cols + 1).join('a'));
|
|
inputHandler.parse(Array(term.cols + 1).join('a'));
|
|
inputHandler.parse(Array(term.cols + 1).join('a'));
|
|
inputHandler.parse(Array(term.cols + 1).join('a'));
|
|
inputHandler.parse(Array(term.cols + 1).join('a'));
|
|
inputHandler.parse(Array(term.cols + 1).join('a'));
|
|
|
|
// params[0] - right erase
|
|
term.buffer.y = 0;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.eraseInLine([0]);
|
|
expect(lineContent(term.buffer.lines.get(0))).equals(Array(71).join('a') + ' ');
|
|
term.buffer.y = 1;
|
|
term.buffer.x = 70;
|
|
inputHandler.eraseInLine([0]);
|
|
expect(lineContent(term.buffer.lines.get(1))).equals(Array(71).join('a') + ' ');
|
|
|
|
// params[1] - left erase
|
|
term.buffer.y = 2;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.eraseInLine([1]);
|
|
expect(lineContent(term.buffer.lines.get(2))).equals(Array(71).join(' ') + ' aaaaaaaaa');
|
|
term.buffer.y = 3;
|
|
term.buffer.x = 70;
|
|
inputHandler.eraseInLine([1]);
|
|
expect(lineContent(term.buffer.lines.get(3))).equals(Array(71).join(' ') + ' aaaaaaaaa');
|
|
|
|
// params[1] - left erase
|
|
term.buffer.y = 4;
|
|
term.buffer.x = 70;
|
|
oldInputHandler.eraseInLine([2]);
|
|
expect(lineContent(term.buffer.lines.get(4))).equals(Array(term.cols + 1).join(' '));
|
|
term.buffer.y = 5;
|
|
term.buffer.x = 70;
|
|
inputHandler.eraseInLine([2]);
|
|
expect(lineContent(term.buffer.lines.get(5))).equals(Array(term.cols + 1).join(' '));
|
|
|
|
});
|
|
it('eraseInDisplay', function(): void {
|
|
const termOld = new Terminal();
|
|
const inputHandlerOld = new OldInputHandler(termOld);
|
|
const termNew = new Terminal();
|
|
const inputHandlerNew = new InputHandler(termNew);
|
|
|
|
// fill display with a's
|
|
for (let i = 0; i < termOld.rows; ++i) inputHandlerOld.parse(Array(termOld.cols + 1).join('a'));
|
|
for (let i = 0; i < termNew.rows; ++i) inputHandlerNew.parse(Array(termOld.cols + 1).join('a'));
|
|
const data = [];
|
|
for (let i = 0; i < termOld.rows; ++i) data.push(Array(termOld.cols + 1).join('a'));
|
|
expect(termContent(termOld)).eql(data);
|
|
expect(termContent(termOld)).eql(termContent(termNew));
|
|
|
|
// params [0] - right and below erase
|
|
termOld.buffer.y = 5;
|
|
termOld.buffer.x = 40;
|
|
inputHandlerOld.eraseInDisplay([0]);
|
|
termNew.buffer.y = 5;
|
|
termNew.buffer.x = 40;
|
|
inputHandlerNew.eraseInDisplay([0]);
|
|
expect(termContent(termNew)).eql(termContent(termOld));
|
|
|
|
// reset
|
|
termOld.buffer.y = 0;
|
|
termOld.buffer.x = 0;
|
|
termNew.buffer.y = 0;
|
|
termNew.buffer.x = 0;
|
|
for (let i = 0; i < termOld.rows; ++i) inputHandlerOld.parse(Array(termOld.cols + 1).join('a'));
|
|
for (let i = 0; i < termNew.rows; ++i) inputHandlerNew.parse(Array(termOld.cols + 1).join('a'));
|
|
|
|
// params [1] - left and above
|
|
termOld.buffer.y = 5;
|
|
termOld.buffer.x = 40;
|
|
inputHandlerOld.eraseInDisplay([1]);
|
|
termNew.buffer.y = 5;
|
|
termNew.buffer.x = 40;
|
|
inputHandlerNew.eraseInDisplay([1]);
|
|
expect(termContent(termNew)).eql(termContent(termOld));
|
|
|
|
// reset
|
|
termOld.buffer.y = 0;
|
|
termOld.buffer.x = 0;
|
|
termNew.buffer.y = 0;
|
|
termNew.buffer.x = 0;
|
|
for (let i = 0; i < termOld.rows; ++i) inputHandlerOld.parse(Array(termOld.cols + 1).join('a'));
|
|
for (let i = 0; i < termNew.rows; ++i) inputHandlerNew.parse(Array(termOld.cols + 1).join('a'));
|
|
|
|
// params [2] - whole screen
|
|
termOld.buffer.y = 5;
|
|
termOld.buffer.x = 40;
|
|
inputHandlerOld.eraseInDisplay([2]);
|
|
termNew.buffer.y = 5;
|
|
termNew.buffer.x = 40;
|
|
inputHandlerNew.eraseInDisplay([2]);
|
|
expect(termContent(termNew)).eql(termContent(termOld));
|
|
|
|
// reset and add a wrapped line
|
|
termNew.buffer.y = 0;
|
|
termNew.buffer.x = 0;
|
|
inputHandlerNew.parse(Array(termNew.cols + 1).join('a')); // line 0
|
|
inputHandlerNew.parse(Array(termNew.cols + 10).join('a')); // line 1 and 2
|
|
for (let i = 3; i < termOld.rows; ++i) inputHandlerNew.parse(Array(termNew.cols + 1).join('a'));
|
|
|
|
// params[1] left and above with wrap
|
|
// confirm precondition that line 2 is wrapped
|
|
expect(termNew.buffer.lines.get(2).isWrapped).true;
|
|
termNew.buffer.y = 2;
|
|
termNew.buffer.x = 40;
|
|
inputHandlerNew.eraseInDisplay([1]);
|
|
expect(termNew.buffer.lines.get(2).isWrapped).false;
|
|
|
|
// reset and add a wrapped line
|
|
termNew.buffer.y = 0;
|
|
termNew.buffer.x = 0;
|
|
inputHandlerNew.parse(Array(termNew.cols + 1).join('a')); // line 0
|
|
inputHandlerNew.parse(Array(termNew.cols + 10).join('a')); // line 1 and 2
|
|
for (let i = 3; i < termOld.rows; ++i) inputHandlerNew.parse(Array(termNew.cols + 1).join('a'));
|
|
|
|
// params[1] left and above with wrap
|
|
// confirm precondition that line 2 is wrapped
|
|
expect(termNew.buffer.lines.get(2).isWrapped).true;
|
|
termNew.buffer.y = 1;
|
|
termNew.buffer.x = 90; // Cursor is beyond last column
|
|
inputHandlerNew.eraseInDisplay([1]);
|
|
expect(termNew.buffer.lines.get(2).isWrapped).false;
|
|
});
|
|
});
|
|
it('convertEol setting', function(): void {
|
|
// not converting
|
|
let s = '';
|
|
const termNotConverting = new Terminal({cols: 15, rows: 10});
|
|
(termNotConverting as any)._inputHandler.parse('Hello\nWorld');
|
|
for (let i = 0; i < termNotConverting.cols; ++i) {
|
|
s += termNotConverting.buffer.lines.get(0).get(i)[CHAR_DATA_CHAR_INDEX];
|
|
}
|
|
expect(s).equals('Hello ');
|
|
s = '';
|
|
for (let i = 0; i < termNotConverting.cols; ++i) {
|
|
s += termNotConverting.buffer.lines.get(1).get(i)[CHAR_DATA_CHAR_INDEX];
|
|
}
|
|
expect(s).equals(' World ');
|
|
|
|
// converting
|
|
s = '';
|
|
const termConverting = new Terminal({cols: 15, rows: 10, convertEol: true});
|
|
(termConverting as any)._inputHandler.parse('Hello\nWorld');
|
|
for (let i = 0; i < termConverting.cols; ++i) {
|
|
s += termConverting.buffer.lines.get(0).get(i)[CHAR_DATA_CHAR_INDEX];
|
|
}
|
|
expect(s).equals('Hello ');
|
|
s = '';
|
|
for (let i = 0; i < termConverting.cols; ++i) {
|
|
s += termConverting.buffer.lines.get(1).get(i)[CHAR_DATA_CHAR_INDEX];
|
|
}
|
|
expect(s).equals('World ');
|
|
});
|
|
describe('print', () => {
|
|
it('should not cause an infinite loop (regression test)', () => {
|
|
const term = new Terminal();
|
|
const inputHandler = new InputHandler(term);
|
|
inputHandler.print(String.fromCharCode(0x200B), 0, 1);
|
|
});
|
|
});
|
|
|
|
describe('alt screen', () => {
|
|
let term: Terminal;
|
|
let handler: InputHandler;
|
|
|
|
function lineContent(line: IBufferLine): string {
|
|
let content = '';
|
|
for (let i = 0; i < line.length; ++i) content += line.get(i)[CHAR_DATA_CHAR_INDEX];
|
|
return content;
|
|
}
|
|
|
|
beforeEach(() => {
|
|
term = new Terminal();
|
|
handler = new InputHandler(term);
|
|
});
|
|
it('should handle DECSET/DECRST 47 (alt screen buffer)', () => {
|
|
handler.parse('\x1b[?47h\r\n\x1b[31mJUNK\x1b[?47lTEST');
|
|
expect(lineContent(term.buffer.lines.get(0))).to.equal(Array(term.cols + 1).join(' '));
|
|
expect(lineContent(term.buffer.lines.get(1))).to.equal(' TEST' + Array(term.cols - 7).join(' '));
|
|
// Text color of 'TEST' should be red
|
|
expect((term.buffer.lines.get(1).get(4)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
|
|
});
|
|
it('should handle DECSET/DECRST 1047 (alt screen buffer)', () => {
|
|
handler.parse('\x1b[?1047h\r\n\x1b[31mJUNK\x1b[?1047lTEST');
|
|
expect(lineContent(term.buffer.lines.get(0))).to.equal(Array(term.cols + 1).join(' '));
|
|
expect(lineContent(term.buffer.lines.get(1))).to.equal(' TEST' + Array(term.cols - 7).join(' '));
|
|
// Text color of 'TEST' should be red
|
|
expect((term.buffer.lines.get(1).get(4)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
|
|
});
|
|
it('should handle DECSET/DECRST 1048 (alt screen cursor)', () => {
|
|
handler.parse('\x1b[?1048h\r\n\x1b[31mJUNK\x1b[?1048lTEST');
|
|
expect(lineContent(term.buffer.lines.get(0))).to.equal('TEST' + Array(term.cols - 3).join(' '));
|
|
expect(lineContent(term.buffer.lines.get(1))).to.equal('JUNK' + Array(term.cols - 3).join(' '));
|
|
// Text color of 'TEST' should be default
|
|
expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
|
|
// Text color of 'JUNK' should be red
|
|
expect((term.buffer.lines.get(1).get(0)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
|
|
});
|
|
it('should handle DECSET/DECRST 1049 (alt screen buffer+cursor)', () => {
|
|
handler.parse('\x1b[?1049h\r\n\x1b[31mJUNK\x1b[?1049lTEST');
|
|
expect(lineContent(term.buffer.lines.get(0))).to.equal('TEST' + Array(term.cols - 3).join(' '));
|
|
expect(lineContent(term.buffer.lines.get(1))).to.equal(Array(term.cols + 1).join(' '));
|
|
// Text color of 'TEST' should be default
|
|
expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
|
|
});
|
|
it('should handle DECSET/DECRST 1049 - maintains saved cursor for alt buffer', () => {
|
|
handler.parse('\x1b[?1049h\r\n\x1b[31m\x1b[s\x1b[?1049lTEST');
|
|
expect(lineContent(term.buffer.lines.get(0))).to.equal('TEST' + Array(term.cols - 3).join(' '));
|
|
// Text color of 'TEST' should be default
|
|
expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
|
|
handler.parse('\x1b[?1049h\x1b[uTEST');
|
|
expect(lineContent(term.buffer.lines.get(1))).to.equal('TEST' + Array(term.cols - 3).join(' '));
|
|
// Text color of 'TEST' should be red
|
|
expect((term.buffer.lines.get(1).get(0)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
|
|
});
|
|
it('should handle DECSET/DECRST 1049 - clears alt buffer with erase attributes', () => {
|
|
handler.parse('\x1b[42m\x1b[?1049h');
|
|
// Buffer should be filled with green background
|
|
expect(term.buffer.lines.get(20).get(10)[CHAR_DATA_ATTR_INDEX] & 0x1ff).to.equal(2);
|
|
});
|
|
});
|
|
});
|