commit 556fbb28777facf1f68083fc94c79b97bb419407
parent 7b902bdfbe0dfa1376afe13f35c44e624213addb
Author: Saqlain <2mesaqlain@gmail.com>
Date: Thu, 9 Oct 2025 20:34:31 +0000
Bug 1992193 [wpt PR 55186] - [webaudio-testharness] Migrate set-target-conv.html, a=testonly
Automatic update from web-platform-tests
[webaudio-testharness] Migrate set-target-conv.html
Convert third_party/blink/web_tests/external/wpt/webaudio
/the-audio-api/the-audioparam-interface/set-target-conv.html from the
legacy audit.js runner to pure testharness.js
Bug: 396477778
Change-Id: I2608813309dba419baae3233fee92619e4298fb3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6925382
Reviewed-by: Hongchan Choi <hongchan@chromium.org>
Reviewed-by: Michael Wilson <mjwilson@chromium.org>
Commit-Queue: Saqlain <2mesaqlain@gmail.com>
Cr-Commit-Position: refs/heads/main@{#1523896}
--
wpt-commits: 2cc8470b689fd1a9131c39bf93c84d7321c65358
wpt-pr: 55186
Diffstat:
1 file changed, 52 insertions(+), 67 deletions(-)
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html
@@ -1,93 +1,78 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<!DOCTYPE html>
<html>
<head>
<title>Test convergence of setTargetAtTime</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
- <script src="/webaudio/resources/audit.js"></script>
<script src='/webaudio/resources/audio-param.js'></script>
+ <script src="/webaudio/resources/audit-util.js"></script>
</head>
<body>
<script>
- let audit = Audit.createTaskRunner();
+ promise_test(async () => {
+ // Two channels:
+ // 0 - actual result
+ // 1 - expected result
+ const context = new OfflineAudioContext(
+ {numberOfChannels: 2, sampleRate: 8000, length: 8000});
- audit.define(
- {task: 'setTargetAtTime', label: 'convergence handled correctly'},
- (task, should) => {
- // Two channels:
- // 0 - actual result
- // 1 - expected result
- const context = new OfflineAudioContext(
- {numberOfChannels: 2, sampleRate: 8000, length: 8000});
+ const merger = new ChannelMergerNode(
+ context, {numberOfChannels: context.destination.channelCount});
+ merger.connect(context.destination);
- const merger = new ChannelMergerNode(
- context, {numberOfChannels: context.destination.channelCount});
- merger.connect(context.destination);
+ // Construct test source that will have the AudioParams being tested
+ // to verify that the AudioParams are working correctly.
+ const src = new ConstantSourceNode(context);
- // Construct test source that will have tha AudioParams being tested
- // to verify that the AudioParams are working correctly.
- let src;
+ src.connect(merger, 0, 0);
+ src.offset.setValueAtTime(1, 0);
- should(
- () => src = new ConstantSourceNode(context),
- 'src = new ConstantSourceNode(context)')
- .notThrow();
+ const timeConstant = 0.01;
- src.connect(merger, 0, 0);
- src.offset.setValueAtTime(1, 0);
+ // testTime must be at least 10*timeConstant. Also, this must not
+ // lie on a render boundary.
+ const testTime = 0.15;
+ const rampEnd = testTime + 0.001;
- const timeConstant = 0.01;
+ src.offset.setTargetAtTime(0.5, 0.01, timeConstant);
+ src.offset.setValueAtTime(0.5, testTime);
+ src.offset.linearRampToValueAtTime(1, rampEnd);
- // testTime must be at least 10*timeConstant. Also, this must not
- // lie on a render boundary.
- const testTime = 0.15;
- const rampEnd = testTime + 0.001;
+ // The reference node that will generate the expected output. We do
+ // the same automations, except we don't apply the setTarget
+ // automation.
+ const refSrc = new ConstantSourceNode(context);
+ refSrc.connect(merger, 0, 1);
- should(
- () => src.offset.setTargetAtTime(0.5, 0.01, timeConstant),
- `src.offset.setTargetAtTime(0.5, 0.01, ${timeConstant})`)
- .notThrow();
- should(
- () => src.offset.setValueAtTime(0.5, testTime),
- `src.offset.setValueAtTime(0.5, ${testTime})`)
- .notThrow();
- should(
- () => src.offset.linearRampToValueAtTime(1, rampEnd),
- `src.offset.linearRampToValueAtTime(1, ${rampEnd})`)
- .notThrow();
+ refSrc.offset.setValueAtTime(0.5, 0);
+ refSrc.offset.setValueAtTime(0.5, testTime);
+ refSrc.offset.linearRampToValueAtTime(1, rampEnd);
- // The reference node that will generate the expected output. We do
- // the same automations, except we don't apply the setTarget
- // automation.
- const refSrc = new ConstantSourceNode(context);
- refSrc.connect(merger, 0, 1);
+ src.start();
+ refSrc.start();
- refSrc.offset.setValueAtTime(0.5, 0);
- refSrc.offset.setValueAtTime(0.5, testTime);
- refSrc.offset.linearRampToValueAtTime(1, rampEnd);
+ const resultBuffer = await context.startRendering();
+ const actual = resultBuffer.getChannelData(0);
+ const expected = resultBuffer.getChannelData(1);
- src.start();
- refSrc.start();
+ // Just verify that the actual output matches the expected
+ // starting a little bit before testTime.
+ const testFrame = Math.floor(testTime * context.sampleRate) - 128;
+ const actualSlice = actual.slice(testFrame);
+ const expectedSlice = expected.slice(testFrame);
- context.startRendering()
- .then(audio => {
- const actual = audio.getChannelData(0);
- const expected = audio.getChannelData(1);
+ assert_equals(
+ actualSlice.length, expectedSlice.length,
+ `output[${testFrame}:] length`);
- // Just verify that the actual output matches the expected
- // starting a little bit before testTime.
- let testFrame =
- Math.floor(testTime * context.sampleRate) - 128;
- should(actual.slice(testFrame), `output[${testFrame}:]`)
- .beCloseToArray(
- expected.slice(testFrame),
- {relativeThreshold: 4.1724e-6});
- })
- .then(() => task.done());
- });
-
- audit.run();
+ const relThreshold = 4.1724e-6;
+ assert_array_equal_within_eps(
+ actualSlice,
+ expectedSlice,
+ relThreshold,
+ `output[${testFrame}] approx expected (rel ${relThreshold})`);
+ }, 'setTargetAtTime: convergence handled correctly');
</script>
</body>
</html>
