1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/xre/test/test_fpuhandler.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,38 @@
1.4 +<head>
1.5 + <title>Floating-point exception handler test</title>
1.6 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.7 +
1.8 +<body onload="runTest()">
1.9 + <embed id="plugin1" type="application/x-test" width="400" height="400"></embed>
1.10 +
1.11 + <script class="testbody" type="application/javascript">
1.12 + SimpleTest.waitForExplicitFinish();
1.13 +
1.14 + function doDiv(x, y) {
1.15 + var z;
1.16 + z = x / y;
1.17 +
1.18 + for (i = 0 + x; i < 1000; ++i)
1.19 + z = y / x;
1.20 +
1.21 + z = x / y;
1.22 + return z;
1.23 + }
1.24 +
1.25 + function runTest()
1.26 + {
1.27 + ok(isNaN(doDiv(0.0, 0.0)), "Undefined division-by-zero doesn't crash");
1.28 +
1.29 + try {
1.30 + document.getElementById('plugin1').enableFPExceptions();
1.31 + }
1.32 + catch (e) {
1.33 + ok(true, "No special code to set the FPU bit in the testplugin.");
1.34 + SimpleTest.finish();
1.35 + return;
1.36 + }
1.37 +
1.38 + ok(isNaN(doDiv(0.0, 0.0)), "Undefined division-by-zero doesn't crash again.");
1.39 + SimpleTest.finish();
1.40 + }
1.41 + </script>
