57 lines
1.1 KiB
JavaScript
57 lines
1.1 KiB
JavaScript
import { assert, test } from '../run/test.setup.js'
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import { polyfill } from '../mod.js'
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test(() => {
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return [
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{
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name: 'Supports OffscreenCanvas',
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test() {
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const target = {}
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polyfill(target)
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assert.equal('OffscreenCanvas' in target, true)
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assert.equal(typeof target['OffscreenCanvas'], 'function')
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},
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},
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{
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name: 'Supports new (width: number, height: number): OffscreenCanvas',
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test() {
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const target = {}
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polyfill(target)
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const w = 640
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const h = 480
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const canvas = new target.OffscreenCanvas(w, h)
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assert.equal(canvas.width, w)
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assert.equal(canvas.height, h)
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},
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},
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{
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name: 'Supports OffscreenCanvas#getContext',
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test() {
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const target = {}
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polyfill(target)
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const w = 640
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const h = 480
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const canvas = new target.OffscreenCanvas(w, h)
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const context = canvas.getContext('2d')
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assert.equal(context.canvas, canvas)
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const imageData = context.createImageData(w, h)
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assert.equal(imageData.width, w)
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assert.equal(imageData.height, h)
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assert.equal(imageData.data.length, w * h * 4)
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},
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},
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]
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})
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