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

/**
* Copyright (c) 2017 The xterm.js authors. All rights reserved.
* @license MIT
*/
import jsdom = require('jsdom');
import { assert } from 'chai';
import { getCoords } from 'browser/input/Mouse';
const CHAR_WIDTH = 10;
const CHAR_HEIGHT = 20;
describe('Mouse getCoords', () => {
let windowOverride: Pick<Window, 'getComputedStyle'>;
let document: Document;
beforeEach(() => {
windowOverride = {
getComputedStyle(): any {
return {
getPropertyValue: () => '0px'
} as Pick<CSSStyleDeclaration, 'getPropertyValue'>;
}
};
document = new jsdom.JSDOM('').window.document;
});
it('should return the cell that was clicked', () => {
let coords: [number, number] | undefined;
coords = getCoords(windowOverride, { clientX: CHAR_WIDTH / 2, clientY: CHAR_HEIGHT / 2 }, document.createElement('div'), 10, 10, true, CHAR_WIDTH, CHAR_HEIGHT);
assert.deepEqual(coords, [1, 1]);
coords = getCoords(windowOverride, { clientX: CHAR_WIDTH, clientY: CHAR_HEIGHT }, document.createElement('div'), 10, 10, true, CHAR_WIDTH, CHAR_HEIGHT);
assert.deepEqual(coords, [1, 1]);
coords = getCoords(windowOverride, { clientX: CHAR_WIDTH, clientY: CHAR_HEIGHT + 1 }, document.createElement('div'), 10, 10, true, CHAR_WIDTH, CHAR_HEIGHT);
assert.deepEqual(coords, [1, 2]);
coords = getCoords(windowOverride, { clientX: CHAR_WIDTH + 1, clientY: CHAR_HEIGHT }, document.createElement('div'), 10, 10, true, CHAR_WIDTH, CHAR_HEIGHT);
assert.deepEqual(coords, [2, 1]);
});
it('should ensure the coordinates are returned within the terminal bounds', () => {
let coords: [number, number] | undefined;
coords = getCoords(windowOverride, { clientX: -1, clientY: -1 }, document.createElement('div'), 10, 10, true, CHAR_WIDTH, CHAR_HEIGHT);
assert.deepEqual(coords, [1, 1]);
// Event are double the cols/rows
coords = getCoords(windowOverride, { clientX: CHAR_WIDTH * 20, clientY: CHAR_HEIGHT * 20 }, document.createElement('div'), 10, 10, true, CHAR_WIDTH, CHAR_HEIGHT);
assert.deepEqual(coords, [10, 10], 'coordinates should never come back as larger than the terminal');
});
});