78 lines
2.2 KiB
TypeScript
78 lines
2.2 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 { ITerminal } from './Types';
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import { BufferSet } from './BufferSet';
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import { Buffer } from './Buffer';
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import { MockTerminal } from './utils/TestUtils.test';
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describe('BufferSet', () => {
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let terminal: ITerminal;
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let bufferSet: BufferSet;
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beforeEach(() => {
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terminal = new MockTerminal();
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terminal.cols = 80;
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terminal.rows = 24;
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terminal.options.scrollback = 1000;
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bufferSet = new BufferSet(terminal);
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});
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describe('constructor', () => {
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it('should create two different buffers: alt and normal', () => {
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assert.instanceOf(bufferSet.normal, Buffer);
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assert.instanceOf(bufferSet.alt, Buffer);
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assert.notEqual(bufferSet.normal, bufferSet.alt);
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});
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});
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describe('activateNormalBuffer', () => {
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beforeEach(() => {
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bufferSet.activateNormalBuffer();
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});
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it('should set the normal buffer as the currently active buffer', () => {
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assert.equal(bufferSet.active, bufferSet.normal);
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});
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});
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describe('activateAltBuffer', () => {
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beforeEach(() => {
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bufferSet.activateAltBuffer();
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});
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it('should set the alt buffer as the currently active buffer', () => {
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assert.equal(bufferSet.active, bufferSet.alt);
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});
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});
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describe('cursor handling when swapping buffers', () => {
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beforeEach(() => {
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bufferSet.normal.x = 0;
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bufferSet.normal.y = 0;
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bufferSet.alt.x = 0;
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bufferSet.alt.y = 0;
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});
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it('should keep the cursor stationary when activating alt buffer', () => {
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bufferSet.activateNormalBuffer();
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bufferSet.active.x = 30;
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bufferSet.active.y = 10;
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bufferSet.activateAltBuffer();
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assert.equal(bufferSet.active.x, 30);
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assert.equal(bufferSet.active.y, 10);
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});
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it('should keep the cursor stationary when activating normal buffer', () => {
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bufferSet.activateAltBuffer();
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bufferSet.active.x = 30;
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bufferSet.active.y = 10;
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bufferSet.activateNormalBuffer();
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assert.equal(bufferSet.active.x, 30);
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assert.equal(bufferSet.active.y, 10);
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});
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});
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});
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