third_party/WebKit/LayoutTests/http/tests/security/cross-origin-OffscreenCanvas2D-convertToBlob.html - Issue 2520973002: Fix a small error in exception handling in convertToBlob

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Side by Side Diff: third_party/WebKit/LayoutTests/http/tests/security/cross-origin-OffscreenCanvas2D-convertToBlob.html

Issue 2520973002: Fix a small error in exception handling in convertToBlob (Closed)

Patch Set: address comments. Created 4 years, 1 month ago

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	1 <!DOCTYPE html>

	2 <script src="../../../resources/testharness.js"></script>

	3 <script src="../../../resources/testharnessreport.js"></script>

	4 <script>

	5

	6 async_test(function(t) {

	7 var image = document.createElement('img');

	8 image.src = 'http://localhost:8080/security/resources/abe.png';

	9 image.addEventListener('load', function() {

	10 var offscreenCanvas = new OffscreenCanvas(10, 10);

	11 var ctx = offscreenCanvas.getContext('2d');

	12 ctx.drawImage(image, 0, 0);

	13 offscreenCanvas.convertToBlob().then(t.step_func_done(function() {

	14 assert_false("convertToBlob on a tainted OffscreenCanvas didn't thro w, but should be");

	15 }), t.step_func_done(function(e) {

	16 assert_true(e instanceof DOMException);

	17 assert_equals(e.name, "SecurityError");

	18 }));

	19 });

	20 }, "Test that call convertToBlob on a tainted OffscreenCanvas throws exception") ;

	21

	22 </script>

	23

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