diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.readonly.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.readonly.html | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.readonly.html b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.readonly.html new file mode 100644 index 0000000000..2ab5f47f64 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.readonly.html @@ -0,0 +1,40 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>OffscreenCanvas test: 2d.imageData.object.readonly</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> + +<h1>2d.imageData.object.readonly</h1> +<p class="desc">ImageData objects properties are read-only</p> + + +<script> +var t = async_test("ImageData objects properties are read-only"); +var t_pass = t.done.bind(t); +var t_fail = t.step_func(function(reason) { + throw reason; +}); +t.step(function() { + + var canvas = new OffscreenCanvas(100, 50); + var ctx = canvas.getContext('2d'); + + var imgdata = ctx.getImageData(0, 0, 10, 10); + var w = imgdata.width; + var h = imgdata.height; + var d = imgdata.data; + imgdata.width = 123; + imgdata.height = 123; + imgdata.data = [100,100,100,100]; + _assertSame(imgdata.width, w, "imgdata.width", "w"); + _assertSame(imgdata.height, h, "imgdata.height", "h"); + _assertSame(imgdata.data, d, "imgdata.data", "d"); + _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0"); + _assertSame(imgdata.data[1], 0, "imgdata.data[\""+(1)+"\"]", "0"); + _assertSame(imgdata.data[2], 0, "imgdata.data[\""+(2)+"\"]", "0"); + _assertSame(imgdata.data[3], 0, "imgdata.data[\""+(3)+"\"]", "0"); + t.done(); + +}); +</script> |