The Tor Browser / file comparison
comparison: toolkit/xre/test/test_fpuhandler.html
toolkit/xre/test/test_fpuhandler.html
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:c1385c347b08 |
|---|---|
| 1 <head> | |
| 2 <title>Floating-point exception handler test</title> | |
| 3 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 4 | |
| 5 <body onload="runTest()"> | |
| 6 <embed id="plugin1" type="application/x-test" width="400" height="400"></embed> | |
| 7 | |
| 8 <script class="testbody" type="application/javascript"> | |
| 9 SimpleTest.waitForExplicitFinish(); | |
| 10 | |
| 11 function doDiv(x, y) { | |
| 12 var z; | |
| 13 z = x / y; | |
| 14 | |
| 15 for (i = 0 + x; i < 1000; ++i) | |
| 16 z = y / x; | |
| 17 | |
| 18 z = x / y; | |
| 19 return z; | |
| 20 } | |
| 21 | |
| 22 function runTest() | |
| 23 { | |
| 24 ok(isNaN(doDiv(0.0, 0.0)), "Undefined division-by-zero doesn't crash"); | |
| 25 | |
| 26 try { | |
| 27 document.getElementById('plugin1').enableFPExceptions(); | |
| 28 } | |
| 29 catch (e) { | |
| 30 ok(true, "No special code to set the FPU bit in the testplugin."); | |
| 31 SimpleTest.finish(); | |
| 32 return; | |
| 33 } | |
| 34 | |
| 35 ok(isNaN(doDiv(0.0, 0.0)), "Undefined division-by-zero doesn't crash again."); | |
| 36 SimpleTest.finish(); | |
| 37 } | |
| 38 </script> |
