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https://github.com/wavetermdev/xterm.js.git
synced 2026-08-05 13:43:48 -07:00
regression tests for changes in InputHandler
This commit is contained in:
Jörg Breitbart
+321
-1
@@ -3,9 +3,12 @@
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* @license MIT
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*/
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import { assert } from 'chai';
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import { assert, expect } from 'chai';
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import { InputHandler } from './InputHandler';
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import { MockInputHandlingTerminal } from './utils/TestUtils.test';
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import { NULL_CELL_CHAR, NULL_CELL_CODE, NULL_CELL_WIDTH, CHAR_DATA_CHAR_INDEX } from './Buffer';
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import { TerminalLine } from './TerminalLine';
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import { Terminal } from './Terminal';
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describe('InputHandler', () => {
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describe('save and restore cursor', () => {
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@@ -84,4 +87,321 @@ describe('InputHandler', () => {
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assert.equal(terminal.bracketedPasteMode, false);
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});
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});
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describe('regression tests', function(): void {
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type CharData = [number, string, number, number];
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function lineContent(line: TerminalLine): string {
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let content = '';
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for (let i = 0; i < line.length; ++i) content += line.get(i)[CHAR_DATA_CHAR_INDEX];
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return content;
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}
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function termContent(term: Terminal): string[] {
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const result = [];
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for (let i = 0; i < term.rows; ++i) result.push(lineContent(term.buffer.lines.get(i)));
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return result;
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}
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it('insertChars', function() {
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const term = new Terminal();
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const inputHandler = new InputHandler(term);
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// old variant of the method
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function insertChars(params: number[]): void {
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let param = params[0];
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if (param < 1) param = 1;
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// make buffer local for faster access
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const buffer = term.buffer;
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const row = buffer.y + buffer.ybase;
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let j = buffer.x;
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const ch: CharData = [term.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]; // xterm
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while (param-- && j < term.cols) {
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buffer.lines.get(row).splice(j++, 0, ch);
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buffer.lines.get(row).pop();
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}
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}
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// insert some data in first and second line
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inputHandler.parse(Array(term.cols - 9).join("a"));
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inputHandler.parse('1234567890');
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inputHandler.parse(Array(term.cols - 9).join("a"));
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inputHandler.parse('1234567890');
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const line1: TerminalLine = term.buffer.lines.get(0); // line for old variant
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const line2: TerminalLine = term.buffer.lines.get(1); // line for new variant
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + '1234567890');
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + '1234567890');
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// insert one char from params = [0]
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term.buffer.y = 0;
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term.buffer.x = 70;
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insertChars([0]);
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + ' 123456789');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.insertChars([0]);
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + ' 123456789');
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expect(lineContent(line2)).equals(lineContent(line1));
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// insert one char from params = [1]
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term.buffer.y = 0;
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term.buffer.x = 70;
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insertChars([1]);
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + ' 12345678');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.insertChars([1]);
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + ' 12345678');
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expect(lineContent(line2)).equals(lineContent(line1));
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// insert two chars from params = [2]
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term.buffer.y = 0;
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term.buffer.x = 70;
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insertChars([2]);
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + ' 123456');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.insertChars([2]);
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + ' 123456');
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expect(lineContent(line2)).equals(lineContent(line1));
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// insert 10 chars from params = [10]
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term.buffer.y = 0;
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term.buffer.x = 70;
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insertChars([10]);
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + ' ');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.insertChars([10]);
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + ' ');
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expect(lineContent(line2)).equals(lineContent(line1));
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});
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it('deleteChars', function(): void {
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const term = new Terminal();
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const inputHandler = new InputHandler(term);
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// old variant of the method
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function deleteChars(params: number[]): void {
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let param: number = params[0];
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if (param < 1) {
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param = 1;
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}
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// make buffer local for faster access
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const buffer = term.buffer;
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const row = buffer.y + buffer.ybase;
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const ch: CharData = [term.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]; // xterm
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while (param--) {
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buffer.lines.get(row).splice(buffer.x, 1);
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buffer.lines.get(row).push(ch);
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}
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term.updateRange(buffer.y);
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}
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// insert some data in first and second line
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inputHandler.parse(Array(term.cols - 9).join("a"));
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inputHandler.parse('1234567890');
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inputHandler.parse(Array(term.cols - 9).join("a"));
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inputHandler.parse('1234567890');
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const line1: TerminalLine = term.buffer.lines.get(0); // line for old variant
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const line2: TerminalLine = term.buffer.lines.get(1); // line for new variant
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + '1234567890');
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + '1234567890');
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// delete one char from params = [0]
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term.buffer.y = 0;
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term.buffer.x = 70;
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deleteChars([0]);
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + '234567890 ');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.deleteChars([0]);
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + '234567890 ');
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expect(lineContent(line2)).equals(lineContent(line1));
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// insert one char from params = [1]
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term.buffer.y = 0;
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term.buffer.x = 70;
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deleteChars([1]);
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + '34567890 ');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.deleteChars([1]);
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + '34567890 ');
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expect(lineContent(line2)).equals(lineContent(line1));
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// insert two chars from params = [2]
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term.buffer.y = 0;
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term.buffer.x = 70;
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deleteChars([2]);
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + '567890 ');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.deleteChars([2]);
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + '567890 ');
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expect(lineContent(line2)).equals(lineContent(line1));
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// insert 10 chars from params = [10]
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term.buffer.y = 0;
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term.buffer.x = 70;
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deleteChars([10]);
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expect(lineContent(line1)).equals(Array(term.cols - 9).join("a") + ' ');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.deleteChars([10]);
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expect(lineContent(line2)).equals(Array(term.cols - 9).join("a") + ' ');
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expect(lineContent(line2)).equals(lineContent(line1));
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});
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it('eraseInLine', function(): void {
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const term = new Terminal();
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const inputHandler = new InputHandler(term);
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function eraseInLine(params: number[]): void {
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switch (params[0]) {
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case 0:
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term.eraseRight(term.buffer.x, term.buffer.y);
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break;
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case 1:
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term.eraseLeft(term.buffer.x, term.buffer.y);
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break;
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case 2:
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term.eraseLine(term.buffer.y);
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break;
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}
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}
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// fill 6 lines to test 3 different states
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inputHandler.parse(Array(term.cols + 1).join("a"));
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inputHandler.parse(Array(term.cols + 1).join("a"));
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inputHandler.parse(Array(term.cols + 1).join("a"));
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inputHandler.parse(Array(term.cols + 1).join("a"));
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inputHandler.parse(Array(term.cols + 1).join("a"));
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inputHandler.parse(Array(term.cols + 1).join("a"));
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// params[0] - right erase
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term.buffer.y = 0;
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term.buffer.x = 70;
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eraseInLine([0]);
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expect(lineContent(term.buffer.lines.get(0))).equals(Array(71).join("a") + ' ');
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.eraseInLine([0]);
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expect(lineContent(term.buffer.lines.get(1))).equals(Array(71).join("a") + ' ');
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// params[1] - left erase
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term.buffer.y = 2;
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term.buffer.x = 70;
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eraseInLine([1]);
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expect(lineContent(term.buffer.lines.get(2))).equals(Array(71).join(" ") + ' aaaaaaaaa');
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term.buffer.y = 3;
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term.buffer.x = 70;
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inputHandler.eraseInLine([1]);
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expect(lineContent(term.buffer.lines.get(3))).equals(Array(71).join(" ") + ' aaaaaaaaa');
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// params[1] - left erase
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term.buffer.y = 4;
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term.buffer.x = 70;
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eraseInLine([2]);
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expect(lineContent(term.buffer.lines.get(4))).equals(Array(term.cols + 1).join(" "));
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term.buffer.y = 5;
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term.buffer.x = 70;
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inputHandler.eraseInLine([2]);
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expect(lineContent(term.buffer.lines.get(5))).equals(Array(term.cols + 1).join(" "));
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});
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it('eraseInDisplay', function(): void {
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const termOld = new Terminal();
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const inputHandlerOld = new InputHandler(termOld);
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const termNew = new Terminal();
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const inputHandlerNew = new InputHandler(termNew);
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function eraseInDisplay(params: number[]): void {
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let j;
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switch (params[0]) {
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case 0:
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termOld.eraseRight(termOld.buffer.x, termOld.buffer.y);
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j = termOld.buffer.y + 1;
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for (; j < termOld.rows; j++) {
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termOld.eraseLine(j);
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}
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break;
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case 1:
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termOld.eraseLeft(termOld.buffer.x, termOld.buffer.y);
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j = termOld.buffer.y;
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while (j--) {
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termOld.eraseLine(j);
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}
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break;
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case 2:
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j = termOld.rows;
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while (j--) termOld.eraseLine(j);
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break;
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case 3:
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// Clear scrollback (everything not in viewport)
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const scrollBackSize = termOld.buffer.lines.length - termOld.rows;
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if (scrollBackSize > 0) {
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termOld.buffer.lines.trimStart(scrollBackSize);
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termOld.buffer.ybase = Math.max(termOld.buffer.ybase - scrollBackSize, 0);
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termOld.buffer.ydisp = Math.max(termOld.buffer.ydisp - scrollBackSize, 0);
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// Force a scroll event to refresh viewport
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termOld.emit('scroll', 0);
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}
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break;
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}
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}
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// fill display with a's
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for (let i = 0; i < termOld.rows; ++i) inputHandlerOld.parse(Array(termOld.cols + 1).join("a"));
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for (let i = 0; i < termNew.rows; ++i) inputHandlerNew.parse(Array(termOld.cols + 1).join("a"));
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const data = [];
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for (let i = 0; i < termOld.rows; ++i) data.push(Array(termOld.cols + 1).join("a"));
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expect(termContent(termOld)).eql(data);
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expect(termContent(termOld)).eql(termContent(termNew));
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// params [0] - right and below erase
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termOld.buffer.y = 5;
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termOld.buffer.x = 40;
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eraseInDisplay([0]);
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termNew.buffer.y = 5;
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termNew.buffer.x = 40;
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inputHandlerNew.eraseInDisplay([0]);
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expect(termContent(termNew)).eql(termContent(termOld));
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// reset
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termOld.buffer.y = 0;
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termOld.buffer.x = 0;
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termNew.buffer.y = 0;
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termNew.buffer.x = 0;
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for (let i = 0; i < termOld.rows; ++i) inputHandlerOld.parse(Array(termOld.cols + 1).join("a"));
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for (let i = 0; i < termNew.rows; ++i) inputHandlerNew.parse(Array(termOld.cols + 1).join("a"));
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// params [1] - left and above
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termOld.buffer.y = 5;
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termOld.buffer.x = 40;
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eraseInDisplay([1]);
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termNew.buffer.y = 5;
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termNew.buffer.x = 40;
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inputHandlerNew.eraseInDisplay([1]);
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expect(termContent(termNew)).eql(termContent(termOld));
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// reset
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termOld.buffer.y = 0;
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termOld.buffer.x = 0;
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termNew.buffer.y = 0;
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termNew.buffer.x = 0;
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for (let i = 0; i < termOld.rows; ++i) inputHandlerOld.parse(Array(termOld.cols + 1).join("a"));
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for (let i = 0; i < termNew.rows; ++i) inputHandlerNew.parse(Array(termOld.cols + 1).join("a"));
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// params [2] - whole screen
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termOld.buffer.y = 5;
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termOld.buffer.x = 40;
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eraseInDisplay([2]);
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termNew.buffer.y = 5;
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termNew.buffer.x = 40;
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inputHandlerNew.eraseInDisplay([2]);
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expect(termContent(termNew)).eql(termContent(termOld));
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});
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});
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});
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