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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <script src="/resources/testharness.js"></script> | 2 <script src="/resources/testharness.js"></script> |
3 <script src="/resources/testharnessreport.js"></script> | 3 <script src="/resources/testharnessreport.js"></script> |
| 4 <script src="/preload/resources/preload_helper.js"></script> |
4 <script> | 5 <script> |
5 var t = async_test('Makes sure that a dynamically added preloaded resource i
s downloaded'); | 6 var t = async_test('Makes sure that a dynamically added preloaded resource i
s downloaded'); |
6 </script> | 7 </script> |
7 <body> | 8 <body> |
8 <script> | 9 <script> |
9 t.step(function() { | 10 t.step(function() { |
| 11 verifyPreloadAndRTSupport(); |
10 var link = document.createElement("link"); | 12 var link = document.createElement("link"); |
11 assert_true(link.relList && link.relList.supports && link.relList.suppor
ts("preload"), "relList is not defined or browser doesn't support preload."); | |
12 link.as = "script"; | 13 link.as = "script"; |
13 link.rel = "preload"; | 14 link.rel = "preload"; |
14 link.href = "resources/dummy.js"; | 15 link.href = "resources/dummy.js"; |
15 link.onload = t.step_func(function() { | 16 link.onload = t.step_func(function() { |
16 t.step_timeout(function() { | 17 t.step_timeout(function() { |
17 assert_equals(performance.getEntriesByType("resource").length, 3
); | 18 verifyNumberOfDownloads("resources/dummy.js", 1); |
18 t.done(); | 19 t.done(); |
19 }, 0); | 20 }, 0); |
20 }); | 21 }); |
21 document.body.appendChild(link); | 22 document.body.appendChild(link); |
22 }); | 23 }); |
23 </script> | 24 </script> |
24 </body> | 25 </body> |
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