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xterm.js/src/browser/input/MoveToCell.test.ts
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TypeScript

/**
* Copyright (c) 2017 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { assert } from 'chai';
import { IBufferService } from 'common/services/Services';
import { MockBufferService } from 'common/TestUtils.test';
import { moveToCellSequence } from './MoveToCell';
describe('MoveToCell', () => {
let bufferService: IBufferService;
beforeEach(() => {
bufferService = new MockBufferService(5, 5);
bufferService.buffer.x = 3;
bufferService.buffer.y = 3;
});
describe('normal buffer', () => {
it('should use the right directional escape sequences', () => {
assert.equal(moveToCellSequence(1, 3, bufferService, false), '\x1b[D\x1b[D');
assert.equal(moveToCellSequence(2, 3, bufferService, false), '\x1b[D');
assert.equal(moveToCellSequence(4, 3, bufferService, false), '\x1b[C');
assert.equal(moveToCellSequence(5, 3, bufferService, false), '\x1b[C\x1b[C');
});
it('should wrap around entire row instead of doing up and down when the Y value differs', () => {
assert.equal(moveToCellSequence(1, 1, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(2, 1, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(3, 1, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(4, 1, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(5, 1, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(1, 2, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(2, 2, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(3, 2, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(4, 2, bufferService, false), '\x1b[D\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(5, 2, bufferService, false), '\x1b[D\x1b[D\x1b[D');
assert.equal(moveToCellSequence(1, 4, bufferService, false), '\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(2, 4, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(3, 4, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(4, 4, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(5, 4, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(1, 5, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(2, 5, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(3, 5, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(4, 5, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C');
assert.equal(moveToCellSequence(5, 5, bufferService, false), '\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C\x1b[C');
});
it('should use the correct character for application cursor', () => {
assert.equal(moveToCellSequence(3, 1, bufferService, true), '\x1bOD\x1bOD\x1bOD\x1bOD\x1bOD\x1bOD\x1bOD\x1bOD\x1bOD\x1bOD');
assert.equal(moveToCellSequence(3, 2, bufferService, true), '\x1bOD\x1bOD\x1bOD\x1bOD\x1bOD');
assert.equal(moveToCellSequence(2, 3, bufferService, true), '\x1bOD');
assert.equal(moveToCellSequence(4, 3, bufferService, true), '\x1bOC');
assert.equal(moveToCellSequence(3, 4, bufferService, true), '\x1bOC\x1bOC\x1bOC\x1bOC\x1bOC');
assert.equal(moveToCellSequence(3, 5, bufferService, true), '\x1bOC\x1bOC\x1bOC\x1bOC\x1bOC\x1bOC\x1bOC\x1bOC\x1bOC\x1bOC');
});
});
describe('alt buffer', () => {
beforeEach(() => {
bufferService.buffers.activateAltBuffer();
bufferService.buffer.x = 3;
bufferService.buffer.y = 3;
});
it('should move the cursor across rows', () => {
assert.equal(moveToCellSequence(4, 4, bufferService, false), '\x1b[B\x1b[C');
});
});
});