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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/test_2d.drawImage.zerocanvas.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | dom/canvas/test/test_2d.drawImage.zerocanvas.html | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/dom/canvas/test/test_2d.drawImage.zerocanvas.html b/dom/canvas/test/test_2d.drawImage.zerocanvas.html new file mode 100644 index 0000000000..aa9ea21402 --- /dev/null +++ b/dom/canvas/test/test_2d.drawImage.zerocanvas.html @@ -0,0 +1,55 @@ +<!DOCTYPE HTML> +<title>Canvas test: 2d.drawImage.zerocanvas</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> +<body> +<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> +<script> +function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) { + var pixel = ctx.getImageData(x, y, 1, 1); + var pr = pixel.data[0], + pg = pixel.data[1], + pb = pixel.data[2], + pa = pixel.data[3]; + ok(r-d <= pr && pr <= r+d && + g-d <= pg && pg <= g+d && + b-d <= pb && pb <= b+d && + a-d <= pa && pa <= a+d, + "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d); +} + +SimpleTest.waitForExplicitFinish(); +addLoadEvent(function () { + +var canvas = document.getElementById('c'); +var ctx = canvas.getContext('2d'); + +ctx.fillStyle = '#0f0'; +ctx.fillRect(0, 0, 100, 50); + +var canvas2 = document.createElement('canvas'); +canvas2.width = 0; +canvas2.height = 10; +var _thrown = undefined; try { + ctx.drawImage(canvas2, 0, 0); +} catch (e) { _thrown = e }; ok(_thrown && _thrown.name == "InvalidStateError" && _thrown.code == DOMException.INVALID_STATE_ERR, "should throw InvalidStateError"); + +canvas2.width = 10; +canvas2.height = 0; +var _thrown = undefined; try { + ctx.drawImage(canvas2, 0, 0); +} catch (e) { _thrown = e }; ok(_thrown && _thrown.name == "InvalidStateError" && _thrown.code == DOMException.INVALID_STATE_ERR, "should throw InvalidStateError"); + +canvas2.width = 0; +canvas2.height = 0; +var _thrown = undefined; try { + ctx.drawImage(canvas2, 0, 0); +} catch (e) { _thrown = e }; ok(_thrown && _thrown.name == "InvalidStateError" && _thrown.code == DOMException.INVALID_STATE_ERR, "should throw InvalidStateError"); + +isPixel(ctx, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 2); + +SimpleTest.finish(); + +}); +</script> + |