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1 <!DOCTYPE html> | |
2 <title>ImageDocument UseCounters</title> | |
3 <script src="../../resources/testharness.js"></script> | |
4 <script src="../../resources/testharnessreport.js"></script> | |
5 <iframe></iframe> | |
6 <script> | |
7 async_test(function() { | |
8 // From UseCounter.h | |
9 var ImageDocument = 1274; | |
10 var ImageDocumentInFrame = 1310; | |
11 assert_false(internals.isUseCounted(document, ImageDocument)); | |
12 assert_false(internals.isUseCounted(document, ImageDocumentInFrame)); | |
13 var iframe = document.querySelector("iframe"); | |
14 iframe.src = "resources/dice.png"; | |
15 iframe.onload = this.step_func_done(function() { | |
16 assert_true(internals.isUseCounted(document, ImageDocument)); | |
17 assert_true(internals.isUseCounted(document, ImageDocumentInFrame)); | |
18 }); | |
19 }); | |
20 </script> | |
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