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| (Empty) |
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <meta charset="utf-8" /> | |
| 5 <title>window.performance.now exists</title> | |
| 6 <link rel="author" title="W3C" href="http://www.w3.org/" /> | |
| 7 <link rel="help" href="http://www.w3.org/TR/hr-time/#sec-extenstions-performance
-interface"/> | |
| 8 <script src="/w3c/resources/testharness.js"></script> | |
| 9 <script src="/w3c/resources/testharnessreport.js"></script> | |
| 10 <link rel="stylesheet" href="/w3c/resources/testharness.css" /> | |
| 11 <script> | |
| 12 test(function() { | |
| 13 assert_equals(typeof window.performance, "object"); | |
| 14 }, "window.performance is defined", {assert: "The window.performance attribute p
rovides a hosting area for performance related attributes."}); | |
| 15 | |
| 16 test(function() { | |
| 17 assert_not_equals(window.performance.now, undefined, 'window.performance.now i
s defined'); | |
| 18 }, "High Resolution Time extension to the Performance interface", {assert: "wind
ow.performance.now exists"}); | |
| 19 | |
| 20 test(function() { | |
| 21 assert_equals(typeof window.performance.now, "function", "window.performance.n
ow is a function"); | |
| 22 }, "window.performance.now() function", {assert: "window.performance.now is a fu
nction"}); | |
| 23 | |
| 24 test(function() { | |
| 25 assert_equals(typeof window.performance.now(), "number", "window.performance.n
ow() returns a number"); | |
| 26 }, "window.performance.now() returns a number", {assert: "The now method MUST re
turn a DOMHighResTimeStamp"}); | |
| 27 </script> | |
| 28 </head> | |
| 29 <body> | |
| 30 <h1>Description</h1> | |
| 31 <p>This test validates that window.performance.now() exist and is a function.</p
> | |
| 32 | |
| 33 <div id="log"></div> | |
| 34 | |
| 35 </body> | |
| 36 </html> | |
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Chromium Code Reviews
Issue 1191043004:
Import hr-time and user-timing tests, remove redundant webperf copies (Closed)
Base URL: svn://svn.chromium.org/blink/trunk