Jan-Ivar Bruaroey
ddf4abd0e3
Differential Revision: https://phabricator.services.mozilla.com/D270586
107 lines
4.2 KiB
HTML
107 lines
4.2 KiB
HTML
<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name='timeout' content='long'>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src=/resources/testdriver.js></script>
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<script src=/resources/testdriver-vendor.js></script>
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<script src="../webrtc/RTCPeerConnection-helper.js"></script>
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<script src="helper.js"></script>
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</head>
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<body>
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<script>
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const assert_json_equals = (a, b) => assert_equals(JSON.stringify(a), JSON.stringify(b));
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const assert_json_not_equals = (a, b) => assert_not_equals(JSON.stringify(a), JSON.stringify(b));
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const reuse = {}; // speed up tests
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promise_test(async t => {
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const frame = await createRTCEncodedFrameFromScratch("video");
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reuse["video"] = frame;
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assert_true(frame instanceof RTCEncodedVideoFrame);
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assert_equals(frame.type, "key"); // first frame is key
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const clone = new RTCEncodedVideoFrame(frame);
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assert_true(clone instanceof RTCEncodedVideoFrame);
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assert_equals(clone.type, frame.type);
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assert_true(areArrayBuffersEqual(clone.data, frame.data));
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assert_json_equals(clone.getMetadata(), frame.getMetadata());
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}, "RTCEncodedVideoFrame copy construction on main thread.");
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promise_test(async t => {
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const frame = await createRTCEncodedFrameFromScratch("audio");
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reuse["audio"] = frame;
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assert_true(frame instanceof RTCEncodedAudioFrame);
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const clone = new RTCEncodedAudioFrame(frame);
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assert_true(clone instanceof RTCEncodedAudioFrame);
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assert_equals(clone.type, frame.type);
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assert_true(areArrayBuffersEqual(clone.data, frame.data));
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assert_json_equals(clone.getMetadata(), frame.getMetadata());
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}, "RTCEncodedAudioFrame copy construction on main thread.");
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function different(value) {
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switch (typeof value) {
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case "number": return value + 1;
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case "string": return value + "2";
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case "object": return Array.isArray(value) ? value.concat([2]) : {};
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default: assert_unreached(`unexpected type ${typeof value}`);
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}
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}
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["RTCEncodedVideoFrame", "RTCEncodedAudioFrame"].forEach(constr => {
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const kind = constr.includes("Video")? "video" : "audio";
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promise_test(async t => {
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const frame = reuse[kind];
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const oldData = frame.getMetadata();
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// test single key replacement
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for (const key of Object.keys(oldData)) {
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const metadata = {[key]: different(oldData[key])};
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// Spec says "The new frame’s [[metadata]] is a deep copy
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// of originalFrame.[[metadata]], with fields replaced with
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// deep copies of the fields present in options.[metadata]."
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// This compares well to how Object.assign() works
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const expected = Object.assign(structuredClone(oldData), metadata);
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const clone = new window[constr](frame, {metadata});
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assert_json_equals(clone.getMetadata(), expected);
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assert_json_not_equals(clone.getMetadata(), oldData);
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}
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// test cumulative key replacement
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let metadata = {};
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for (const key of Object.keys(oldData)) {
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Object.assign(metadata, {[key]: different(oldData[key])});
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const expected = Object.assign(structuredClone(oldData), metadata);
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const clone = new window[constr](frame, {metadata});
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assert_json_equals(clone.getMetadata(), expected);
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assert_json_not_equals(clone.getMetadata(), oldData);
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}
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}, `${constr} copy construction metadata override on main thread.`);
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promise_test(async t => {
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const frame = reuse[kind];
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assert_greater_than(frame.data.byteLength, 0);
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const length = frame.data.byteLength;
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const clone = structuredClone(frame);
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assert_equals(frame.data.byteLength, length, "not transferred");
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assert_true(areArrayBuffersEqual(clone.data, frame.data));
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assert_json_equals(clone.getMetadata(), frame.getMetadata());
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}, `${constr} structuredClone on main thread.`);
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promise_test(async t => {
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const frame = reuse[kind];
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assert_greater_than(frame.data.byteLength, 0);
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const length = frame.data.byteLength;
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const clone = structuredClone(frame, {transfer: [frame.data]});
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assert_equals(frame.data.byteLength, 0, "was transferred");
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assert_equals(clone.data.byteLength, length);
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}, `${constr} structuredClone transfer on main thread.`);
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});
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</script>
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</body>
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</html>
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