50 lines
1.2 KiB
HTML
50 lines
1.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title></title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<script>
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// Bug 1924775 - ESLint doesn't yet know about `ImageDecoder`.
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/* globals ImageDecoder:false */
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async function test() {
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const imgResponse = await fetch("bug1921817.jpg");
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const decoder = new ImageDecoder({
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data: imgResponse.body,
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type: "image/jpeg",
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});
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// Should download all the data and decode metadata just fine.
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await decoder.completed;
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await decoder.tracks.ready;
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is(decoder.tracks.length, 1, "Should have one track");
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is(decoder.tracks[0].frameCount, 1, "Should have a single frame");
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try {
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await decoder.decode();
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ok(false, "Expected to fail to decode image")
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} catch (e) {
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is(e.code, DOMException.INVALID_STATE_ERR, "Should throw InvalidStateError");
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}
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return Promise.resolve();
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}
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async function initTest() {
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SimpleTest.waitForExplicitFinish();
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try {
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await test();
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} catch (e) {
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ok(false, "Unexpected error " + e);
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} finally {
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SimpleTest.finish();
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}
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}
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initTest();
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</script>
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</body>
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</html>
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