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Diffstat (limited to 'testing/web-platform/tests/mediacapture-image/MediaStreamTrack-applyConstraints-fast.html')
-rw-r--r-- | testing/web-platform/tests/mediacapture-image/MediaStreamTrack-applyConstraints-fast.html | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/testing/web-platform/tests/mediacapture-image/MediaStreamTrack-applyConstraints-fast.html b/testing/web-platform/tests/mediacapture-image/MediaStreamTrack-applyConstraints-fast.html new file mode 100644 index 0000000000..2bc5999544 --- /dev/null +++ b/testing/web-platform/tests/mediacapture-image/MediaStreamTrack-applyConstraints-fast.html @@ -0,0 +1,66 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<body> +<canvas id='canvas' width=10 height=10/> +</body> +<script> + +// This test verifies that MediaStreamTrack.applyConstraints() exists and that, +// when called with no parameters, returns a Promise that is resolved. This +// might not make sense: https://github.com/w3c/mediacapture-main/issues/438 . +// Other tests go deeper. +promise_test(function(t) { + var canvas = document.getElementById('canvas'); + var context = canvas.getContext("2d"); + context.fillStyle = "red"; + context.fillRect(0, 0, 10, 10); + + var stream = canvas.captureStream(); + assert_equals(stream.getAudioTracks().length, 0); + assert_equals(stream.getVideoTracks().length, 1); + + var videoTrack = stream.getVideoTracks()[0]; + return videoTrack.applyConstraints(); +}, 'MediaStreamTrack.applyConstraints()'); + +// This test verifies that MediaStreamTrack.applyConstraints() exists and that, +// when called with an empty advanced constraint set, returns a Promise that is +// resolved. +promise_test(function(t) { +var canvas = document.getElementById('canvas'); +var context = canvas.getContext("2d"); +context.fillStyle = "red"; +context.fillRect(0, 0, 10, 10); + +var stream = canvas.captureStream(); +assert_equals(stream.getAudioTracks().length, 0); +assert_equals(stream.getVideoTracks().length, 1); + +var videoTrack = stream.getVideoTracks()[0]; +return videoTrack.applyConstraints({advanced: []}); +}, 'MediaStreamTrack.applyConstraints({advanced: []})'); + +// This test verifies that applyConstraints() rejects the returned Promise if +// passed a non-supported image-capture constraint (https://crbug.com/711694). +promise_test(async function(t) { + var canvas = document.getElementById('canvas'); + var context = canvas.getContext("2d"); + context.fillStyle = "red"; + context.fillRect(0, 0, 10, 10); + + var stream = canvas.captureStream(); + var videoTrack = stream.getVideoTracks()[0]; + + // Use e.g. |torch| as an example of unsupported constraint. + assert_false("torch" in videoTrack.getCapabilities()); + try { + await videoTrack.applyConstraints({advanced : [ {torch : true} ]}); + } catch (error) { + assert_equals(error.name, 'OverconstrainedError'); + return; + } + assert_unreached('expected applyConstraints to reject'); +}, 'MediaStreamTrack.applyConstraints() with unsupported constraint'); + +</script> |