Add VideoFrame serialization tests

This CL adds tests which verify that VideoFrames are properly serialized when posted as messages, and that they can be cloned and destructoyed. Change-Id: I4aedcde443a8f8f0b1884a106cebd013a4d482d5 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2358349Reviewed-by: Chrome Cunningham <chcunningham@chromium.org> Commit-Queue: Chrome Cunningham <chcunningham@chromium.org> Auto-Submit: Thomas Guilbert <tguilbert@chromium.org> Cr-Commit-Position: refs/heads/master@{#799261}

Add VideoFrame serialization tests
This CL adds tests which verify that VideoFrames are properly serialized when posted as messages, and that they can be cloned and destructoyed. Change-Id: I4aedcde443a8f8f0b1884a106cebd013a4d482d5 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2358349Reviewed-by: Chrome Cunningham <chcunningham@chromium.org> Commit-Queue: Chrome Cunningham <chcunningham@chromium.org> Auto-Submit: Thomas Guilbert <tguilbert@chromium.org> Cr-Commit-Position: refs/heads/master@{#799261}
e386d878 · Thomas Guilbert · Commit Bot · e80da6ed · e386d878
Commit e386d878 authored Aug 18, 2020 by Thomas Guilbert Committed by Commit Bot Aug 18, 2020
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third_party/blink/web_tests/external/wpt/webcodecs/video-frame-serialization.html ...sts/external/wpt/webcodecs/video-frame-serialization.html +140 -0

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--- a/third_party/blink/web_tests/external/wpt/webcodecs/video-frame-serialization.html
+++ b/third_party/blink/web_tests/external/wpt/webcodecs/video-frame-serialization.html
+<!DOCTYPE html>
+<html>
+<title>Test posting VideoFrames.</title>
+<body></body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/media.js"></script>
+<script>
+function makeImageBitmap(width, height) {
+  let canvas = document.createElement('canvas');
+  canvas.width = width;
+  canvas.height = height;
+  let ctx = canvas.getContext('2d');
+  ctx.fillStyle = 'rgba(50, 100, 150, 255)';
+  ctx.fillRect(0, 0, width, height);
+  return createImageBitmap(canvas);
+}
+var defaultInit = {
+  timestamp : 100,
+  duration : 33,
+}
+async function createDefaultVideoFrame() {
+  let image = await makeImageBitmap(32,16);
+  return new VideoFrame(image, defaultInit);
+}
+async_test(async function(t) {
+  let frame = await createDefaultVideoFrame();
+  let clone = frame.clone();
+  assert_equals(frame.timestamp, clone.timestamp);
+  assert_equals(frame.duration, clone.duration);
+  assert_equals(frame.cropWidth, clone.cropWidth);
+  assert_equals(frame.cropHeight, clone.cropHeight);
+  assert_equals(frame.cropWidth, clone.cropWidth);
+  assert_equals(frame.cropHeight, clone.cropHeight);
+  frame.destroy();
+  clone.destroy();
+  t.done();
+}, 'Test we can clone a VideoFrame.');
+async_test(async function(t) {
+  let frame = await createDefaultVideoFrame();
+  let copy = frame;
+  let clone = frame.clone();
+  frame.destroy();
+  assert_not_equals(copy.timestamp, defaultInit.timestamp);
+  assert_equals(clone.timestamp, defaultInit.timestamp);
+  clone.destroy();
+  t.done();
+}, 'Verify destroying a frame doesn\'t affect its clones.');
+async_test(async function(t) {
+  let frame = await createDefaultVideoFrame();
+  frame.destroy();
+  assert_throws_dom("InvalidStateError", () => {
+    let clone = frame.clone();
+  });
+  t.done();
+}, 'Verify cloning a destroyed frame throws.');
+async_test(async function(t) {
+  let localFrame = await createDefaultVideoFrame();
+  let channel = new MessageChannel();
+  let localPort = channel.port1;
+  let externalPort = channel.port2;
+  externalPort.onmessage = t.step_func((e) => {
+    let externalFrame = e.data;
+    externalFrame.destroy();
+    externalPort.postMessage("Done");
+  })
+  localPort.onmessage = t.step_func_done((e) => {
+    assert_not_equals(localFrame.timestamp, defaultInit.timestamp);
+  })
+  localPort.postMessage(localFrame);
+}, 'Verify destroying frames propagates accross contexts.');
+async_test(async function(t) {
+  let localFrame = await createDefaultVideoFrame();
+  let channel = new MessageChannel();
+  let localPort = channel.port1;
+  let externalPort = channel.port2;
+  externalPort.onmessage = t.step_func((e) => {
+    let externalFrame = e.data;
+    externalFrame.destroy();
+    externalPort.postMessage("Done");
+  })
+  localPort.onmessage = t.step_func_done((e) => {
+    assert_equals(localFrame.timestamp, defaultInit.timestamp);
+    localFrame.destroy();
+  })
+  localPort.postMessage(localFrame.clone());
+}, 'Verify destroying cloned frames doesn\'t propagate accross contexts.');
+async_test(async function(t) {
+  let localFrame = await createDefaultVideoFrame();
+  let channel = new MessageChannel();
+  let localPort = channel.port1;
+  localPort.onmessage = t.unreached_func();
+  localFrame.destroy();
+  assert_throws_dom("DataCloneError", () => {
+    localPort.postMessage(localFrame);
+  });
+  t.done();
+}, 'Verify posting destroyed frames throws.');
+</script>
+</html>