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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delay-test.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delay-test.html')
| -rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delay-test.html | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delay-test.html b/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delay-test.html new file mode 100644 index 0000000000..6277c253ec --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delay-test.html @@ -0,0 +1,61 @@ +<!doctype html> +<html> + <head> + <title>Test DelayNode Delay</title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit-util.js"></script> + <script src="/webaudio/resources/audit.js"></script> + </head> + + <body> + <script> + let audit = Audit.createTaskRunner(); + + audit.define( + {label: 'test0', description: 'Test delay of 3 frames'}, + async (task, should) => { + // Only need a few outputs samples. The sample rate is arbitrary. + const context = + new OfflineAudioContext(1, RENDER_QUANTUM_FRAMES, 8192); + let src; + let delay; + + should( + () => { + src = new ConstantSourceNode(context); + delay = new DelayNode(context); + }, + 'Creating ConstantSourceNode(context) and DelayNode(context)') + .notThrow(); + + // The number of frames to delay for the DelayNode. Should be a + // whole number, but is otherwise arbitrary. + const delayFrames = 3; + + should(() => { + delay.delayTime.value = delayFrames / context.sampleRate; + }, `Setting delayTime to ${delayFrames} frames`).notThrow(); + + src.connect(delay).connect(context.destination); + + src.start(); + + let buffer = await context.startRendering(); + let output = buffer.getChannelData(0); + + // Verify output was delayed the correct number of frames. + should(output.slice(0, delayFrames), `output[0:${delayFrames - 1}]`) + .beConstantValueOf(0); + should( + output.slice(delayFrames), + `output[${delayFrames}:${output.length - 1}]`) + .beConstantValueOf(1); + + task.done(); + }); + + audit.run(); + </script> + </body> +</html> |