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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/webmessaging/without-ports/028.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.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/webmessaging/without-ports/028.html')
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1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/without-ports/028.html b/testing/web-platform/tests/webmessaging/without-ports/028.html
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@@ -0,0 +1,19 @@
+<!doctype html>
+<title>Cloning objects, preserving sharing #2</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<canvas id="a" width=30 height=30></canvas>
+<div id=log></div>
+<script>
+async_test(function() {
+ var canvas = document.getElementsByTagName("canvas")[0];
+ var context = canvas.getContext("2d");
+ var img_data = context.getImageData(0, 0, 30, 30);
+ var obj = {a: img_data, b: {c: img_data, d: 3}};
+ postMessage(obj, '*');
+ onmessage = this.step_func(function(e) {
+ assert_equals(e.data.a, e.data.b.c);
+ this.done();
+ });
+});
+</script>