306 lines
15 KiB
TypeScript
306 lines
15 KiB
TypeScript
/**
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* Copyright (c) 2018 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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import * as chai from 'chai';
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import { BufferLine } from './BufferLine';
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import { CharData, IBufferLine } from './Types';
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import { NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE, DEFAULT_ATTR } from './Buffer';
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class TestBufferLine extends BufferLine {
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public get combined(): {[index: number]: string} {
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return this._combined;
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}
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public toArray(): CharData[] {
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const result = [];
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for (let i = 0; i < this.length; ++i) {
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result.push(this.get(i));
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}
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return result;
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}
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}
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describe('BufferLine', function(): void {
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it('ctor', function(): void {
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let line: IBufferLine = new TestBufferLine(0);
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chai.expect(line.length).equals(0);
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chai.expect(line.isWrapped).equals(false);
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line = new TestBufferLine(10);
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chai.expect(line.length).equals(10);
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chai.expect(line.get(0)).eql([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
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chai.expect(line.isWrapped).equals(false);
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line = new TestBufferLine(10, null, true);
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chai.expect(line.length).equals(10);
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chai.expect(line.get(0)).eql([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
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chai.expect(line.isWrapped).equals(true);
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line = new TestBufferLine(10, [123, 'a', 456, 'a'.charCodeAt(0)], true);
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chai.expect(line.length).equals(10);
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chai.expect(line.get(0)).eql([123, 'a', 456, 'a'.charCodeAt(0)]);
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chai.expect(line.isWrapped).equals(true);
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});
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it('insertCells', function(): void {
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const line = new TestBufferLine(3);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.insertCells(1, 3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([
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[1, 'a', 0, 'a'.charCodeAt(0)],
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[4, 'd', 0, 'd'.charCodeAt(0)],
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[4, 'd', 0, 'd'.charCodeAt(0)]
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]);
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});
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it('deleteCells', function(): void {
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const line = new TestBufferLine(5);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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line.deleteCells(1, 2, [6, 'f', 0, 'f'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([
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[1, 'a', 0, 'a'.charCodeAt(0)],
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[4, 'd', 0, 'd'.charCodeAt(0)],
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[5, 'e', 0, 'e'.charCodeAt(0)],
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[6, 'f', 0, 'f'.charCodeAt(0)],
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[6, 'f', 0, 'f'.charCodeAt(0)]
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]);
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});
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it('replaceCells', function(): void {
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const line = new TestBufferLine(5);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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line.replaceCells(2, 4, [6, 'f', 0, 'f'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([
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[1, 'a', 0, 'a'.charCodeAt(0)],
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[2, 'b', 0, 'b'.charCodeAt(0)],
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[6, 'f', 0, 'f'.charCodeAt(0)],
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[6, 'f', 0, 'f'.charCodeAt(0)],
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[5, 'e', 0, 'e'.charCodeAt(0)]
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]);
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});
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it('fill', function(): void {
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const line = new TestBufferLine(5);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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line.fill([123, 'z', 0, 'z'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([
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[123, 'z', 0, 'z'.charCodeAt(0)],
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[123, 'z', 0, 'z'.charCodeAt(0)],
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[123, 'z', 0, 'z'.charCodeAt(0)],
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[123, 'z', 0, 'z'.charCodeAt(0)],
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[123, 'z', 0, 'z'.charCodeAt(0)]
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]);
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});
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it('clone', function(): void {
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const line = new TestBufferLine(5, null, true);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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const line2 = line.clone();
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chai.expect(TestBufferLine.prototype.toArray.apply(line2)).eql(line.toArray());
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chai.expect(line2.length).equals(line.length);
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chai.expect(line2.isWrapped).equals(line.isWrapped);
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});
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it('copyFrom', function(): void {
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const line = new TestBufferLine(5);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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const line2 = new TestBufferLine(5, [1, 'a', 0, 'a'.charCodeAt(0)], true);
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line2.copyFrom(line);
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chai.expect(line2.toArray()).eql(line.toArray());
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chai.expect(line2.length).equals(line.length);
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chai.expect(line2.isWrapped).equals(line.isWrapped);
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});
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it('should support combining chars', function(): void {
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// CHAR_DATA_CODE_INDEX resembles current behavior in InputHandler.print
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// --> set code to the last charCodeAt value of the string
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// Note: needs to be fixed once the string pointer is in place
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const line = new TestBufferLine(2, [1, 'e\u0301', 0, '\u0301'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([[1, 'e\u0301', 0, '\u0301'.charCodeAt(0)], [1, 'e\u0301', 0, '\u0301'.charCodeAt(0)]]);
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const line2 = new TestBufferLine(5, [1, 'a', 0, '\u0301'.charCodeAt(0)], true);
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line2.copyFrom(line);
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chai.expect(line2.toArray()).eql(line.toArray());
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const line3 = line.clone();
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chai.expect(TestBufferLine.prototype.toArray.apply(line3)).eql(line.toArray());
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});
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describe('resize', function(): void {
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it('enlarge(false)', function(): void {
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const line = new TestBufferLine(5, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql(Array(10).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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it('enlarge(true)', function(): void {
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const line = new TestBufferLine(5, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql(Array(10).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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it('shrink(true) - should apply new size', function(): void {
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const line = new TestBufferLine(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(5, [1, 'a', 0, 'a'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql(Array(5).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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it('shrink to 0 length', function(): void {
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const line = new TestBufferLine(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql(Array(0).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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it('should remove combining data on replaced cells after shrinking then enlarging', () => {
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const line = new TestBufferLine(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.set(2, [ null, '😁', 1, '😁'.charCodeAt(0) ]);
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line.set(9, [ null, '😁', 1, '😁'.charCodeAt(0) ]);
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chai.expect(line.translateToString()).eql('aa😁aaaaaa😁');
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chai.expect(Object.keys(line.combined).length).eql(2);
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line.resize(5, [1, 'a', 0, 'a'.charCodeAt(0)]);
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chai.expect(line.translateToString()).eql('aa😁aa');
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line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)]);
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chai.expect(line.translateToString()).eql('aa😁aaaaaaa');
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chai.expect(Object.keys(line.combined).length).eql(1);
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});
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});
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describe('getTrimLength', function(): void {
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it('empty line', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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chai.expect(line.getTrimmedLength()).equal(0);
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});
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it('ASCII', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, 'a', 1, 'a'.charCodeAt(0)]);
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chai.expect(line.getTrimmedLength()).equal(3);
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});
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it('surrogate', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, '𝄞', 1, '𝄞'.charCodeAt(0)]);
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chai.expect(line.getTrimmedLength()).equal(3);
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});
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it('combining', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, 'e\u0301', 1, '\u0301'.charCodeAt(0)]);
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chai.expect(line.getTrimmedLength()).equal(3);
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});
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it('fullwidth', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, '１', 2, '１'.charCodeAt(0)]);
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line.set(3, [0, '', 0, undefined]);
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chai.expect(line.getTrimmedLength()).equal(4); // also counts null cell after fullwidth
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});
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});
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describe('translateToString with and w\'o trimming', function(): void {
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it('empty line', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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chai.expect(line.translateToString(false)).equal(' ');
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chai.expect(line.translateToString(true)).equal('');
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});
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it('ASCII', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(4, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(5, [1, 'a', 1, 'a'.charCodeAt(0)]);
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chai.expect(line.translateToString(false)).equal('a a aa ');
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chai.expect(line.translateToString(true)).equal('a a aa');
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chai.expect(line.translateToString(false, 0, 5)).equal('a a a');
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chai.expect(line.translateToString(false, 0, 4)).equal('a a ');
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chai.expect(line.translateToString(false, 0, 3)).equal('a a');
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chai.expect(line.translateToString(true, 0, 5)).equal('a a a');
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chai.expect(line.translateToString(true, 0, 4)).equal('a a ');
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chai.expect(line.translateToString(true, 0, 3)).equal('a a');
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});
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it('surrogate', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, '𝄞', 1, '𝄞'.charCodeAt(0)]);
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line.set(4, [1, '𝄞', 1, '𝄞'.charCodeAt(0)]);
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line.set(5, [1, '𝄞', 1, '𝄞'.charCodeAt(0)]);
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chai.expect(line.translateToString(false)).equal('a 𝄞 𝄞𝄞 ');
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chai.expect(line.translateToString(true)).equal('a 𝄞 𝄞𝄞');
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chai.expect(line.translateToString(false, 0, 5)).equal('a 𝄞 𝄞');
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chai.expect(line.translateToString(false, 0, 4)).equal('a 𝄞 ');
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chai.expect(line.translateToString(false, 0, 3)).equal('a 𝄞');
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chai.expect(line.translateToString(true, 0, 5)).equal('a 𝄞 𝄞');
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chai.expect(line.translateToString(true, 0, 4)).equal('a 𝄞 ');
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chai.expect(line.translateToString(true, 0, 3)).equal('a 𝄞');
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});
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it('combining', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, 'e\u0301', 1, '\u0301'.charCodeAt(0)]);
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line.set(4, [1, 'e\u0301', 1, '\u0301'.charCodeAt(0)]);
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line.set(5, [1, 'e\u0301', 1, '\u0301'.charCodeAt(0)]);
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chai.expect(line.translateToString(false)).equal('a e\u0301 e\u0301e\u0301 ');
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chai.expect(line.translateToString(true)).equal('a e\u0301 e\u0301e\u0301');
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chai.expect(line.translateToString(false, 0, 5)).equal('a e\u0301 e\u0301');
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chai.expect(line.translateToString(false, 0, 4)).equal('a e\u0301 ');
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chai.expect(line.translateToString(false, 0, 3)).equal('a e\u0301');
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chai.expect(line.translateToString(true, 0, 5)).equal('a e\u0301 e\u0301');
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chai.expect(line.translateToString(true, 0, 4)).equal('a e\u0301 ');
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chai.expect(line.translateToString(true, 0, 3)).equal('a e\u0301');
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});
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it('fullwidth', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, '１', 2, '１'.charCodeAt(0)]);
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line.set(3, [0, '', 0, undefined]);
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line.set(5, [1, '１', 2, '１'.charCodeAt(0)]);
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line.set(6, [0, '', 0, undefined]);
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line.set(7, [1, '１', 2, '１'.charCodeAt(0)]);
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line.set(8, [0, '', 0, undefined]);
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chai.expect(line.translateToString(false)).equal('a １ １１ ');
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chai.expect(line.translateToString(true)).equal('a １ １１');
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chai.expect(line.translateToString(false, 0, 7)).equal('a １ １');
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chai.expect(line.translateToString(false, 0, 6)).equal('a １ １');
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chai.expect(line.translateToString(false, 0, 5)).equal('a １ ');
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chai.expect(line.translateToString(false, 0, 4)).equal('a １');
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chai.expect(line.translateToString(false, 0, 3)).equal('a １');
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chai.expect(line.translateToString(false, 0, 2)).equal('a ');
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chai.expect(line.translateToString(true, 0, 7)).equal('a １ １');
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chai.expect(line.translateToString(true, 0, 6)).equal('a １ １');
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chai.expect(line.translateToString(true, 0, 5)).equal('a １ ');
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chai.expect(line.translateToString(true, 0, 4)).equal('a １');
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chai.expect(line.translateToString(true, 0, 3)).equal('a １');
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chai.expect(line.translateToString(true, 0, 2)).equal('a ');
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});
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it('space at end', function(): void {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(2, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(4, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(5, [1, 'a', 1, 'a'.charCodeAt(0)]);
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line.set(6, [1, ' ', 1, ' '.charCodeAt(0)]);
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chai.expect(line.translateToString(false)).equal('a a aa ');
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chai.expect(line.translateToString(true)).equal('a a aa ');
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});
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it('should always return some sane value', function(): void {
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// sanity check - broken line with invalid out of bound null width cells
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// this can atm happen with deleting/inserting chars in inputhandler by "breaking"
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// fullwidth pairs --> needs to be fixed after settling BufferLine impl
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, 0, NULL_CELL_CODE], false);
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chai.expect(line.translateToString(false)).equal(' ');
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chai.expect(line.translateToString(true)).equal('');
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});
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it('should work with endCol=0', () => {
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const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, 0, NULL_CELL_CODE], false);
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line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
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chai.expect(line.translateToString(true, 0, 0)).equal('');
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});
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});
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});
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