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30 lines
1.2 KiB
HTML
30 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
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<title>OffscreenCanvas test: 2d.imageData.create2.negative</title>
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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="/common/canvas-tests.js"></script>
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<h1>2d.imageData.create2.negative</h1>
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<p class="desc">createImageData(sw, sh) takes the absolute magnitude of the size arguments</p>
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<script>
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var t = async_test("createImageData(sw, sh) takes the absolute magnitude of the size arguments");
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t.step(function() {
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var offscreenCanvas = new OffscreenCanvas(100, 50);
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var ctx = offscreenCanvas.getContext('2d');
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var imgdata1 = ctx.createImageData(10, 20);
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var imgdata2 = ctx.createImageData(-10, 20);
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var imgdata3 = ctx.createImageData(10, -20);
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var imgdata4 = ctx.createImageData(-10, -20);
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_assertSame(imgdata1.data.length, imgdata2.data.length, "imgdata1.data.length", "imgdata2.data.length");
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_assertSame(imgdata2.data.length, imgdata3.data.length, "imgdata2.data.length", "imgdata3.data.length");
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_assertSame(imgdata3.data.length, imgdata4.data.length, "imgdata3.data.length", "imgdata4.data.length");
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t.done();
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});
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</script>
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