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5e37a69783
MozReview-Commit-ID: 7iXjQtp9ftV --HG-- extra : rebase_source : 281bc81a05c3f7105918c1eac5141915851cfbe9
37 lines
936 B
HTML
37 lines
936 B
HTML
<head>
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<title>Floating-point exception handler test</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<body onload="runTest()">
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<embed id="plugin1" type="application/x-test" width="400" height="400"></embed>
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<script class="testbody" type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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function doDiv(x, y) {
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var z;
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z = x / y;
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for (let i = 0 + x; i < 1000; ++i)
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z = y / x;
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z = x / y;
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return z;
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}
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function runTest() {
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ok(isNaN(doDiv(0.0, 0.0)), "Undefined division-by-zero doesn't crash");
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try {
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document.getElementById("plugin1").enableFPExceptions();
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} catch (e) {
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ok(true, "No special code to set the FPU bit in the testplugin.");
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SimpleTest.finish();
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return;
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}
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ok(isNaN(doDiv(0.0, 0.0)), "Undefined division-by-zero doesn't crash again.");
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SimpleTest.finish();
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}
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</script>
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