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| (Empty) | |
| 1 <html> |
| 2 <body onload="test()"> |
| 3 <div id="result"> |
| 4 <p> |
| 5 This tests that the chromium.Interval functionality works correctly. |
| 6 </p> |
| 7 </div> |
| 8 <script> |
| 9 if (window.layoutTestController) { |
| 10 layoutTestController.dumpAsText(); |
| 11 } |
| 12 |
| 13 var resultDiv = document.getElementById("result"); |
| 14 |
| 15 function check(name, passed) { |
| 16 if (passed) { |
| 17 resultDiv.innerHTML += "PASS - " + name + "<br>"; |
| 18 } else { |
| 19 resultDiv.innerHTML += "FAIL - " + name + "<br>"; |
| 20 } |
| 21 } |
| 22 |
| 23 // Spin loop for a short time |
| 24 function pause(millisecs) { |
| 25 var start = new Date(); |
| 26 while ((new Date() - start) < millisecs); |
| 27 } |
| 28 |
| 29 |
| 30 function test() { |
| 31 var interval = new chromium.Interval(); |
| 32 |
| 33 // Verify initialization. |
| 34 check("initial zero", interval.microseconds() == 0); |
| 35 |
| 36 // Verify that starting the timer works. |
| 37 interval.start(); |
| 38 pause(500); |
| 39 check("start", interval.microseconds() >= 500000); |
| 40 |
| 41 // Verify that restarting the interval should reset the beginning time |
| 42 interval.start(); |
| 43 pause(1); |
| 44 check("restart", interval.microseconds() > 0 && interval.microseconds() < 5000
00); |
| 45 |
| 46 // Verify that calling stop() before start() has no effect. |
| 47 var interval = new chromium.Interval(); |
| 48 interval.stop(); |
| 49 check("initial stop", interval.microseconds() == 0); |
| 50 |
| 51 // Verify a start/stop sequence. |
| 52 interval.start(); |
| 53 pause(50); |
| 54 interval.stop(); |
| 55 var ms = interval.microseconds(); |
| 56 check("stop", ms > 0 && ms < 1000000); |
| 57 |
| 58 // Verify that the timer is really stopped. |
| 59 check("stopped", ms == interval.microseconds()); |
| 60 |
| 61 // Verify that re-stopping the timer works. |
| 62 interval.stop(); |
| 63 check("re-stopped", interval.microseconds() > ms); |
| 64 } |
| 65 </script> |
| 66 </body> |
| 67 </html> |
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Chromium Code Reviews
Issue 28201:
Changes to the interval timer:... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/