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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /toolkit/xre/test/test_fpuhandler.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/xre/test/test_fpuhandler.html')
| -rw-r--r-- | toolkit/xre/test/test_fpuhandler.html | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/toolkit/xre/test/test_fpuhandler.html b/toolkit/xre/test/test_fpuhandler.html new file mode 100644 index 0000000000..a3869f2ecf --- /dev/null +++ b/toolkit/xre/test/test_fpuhandler.html @@ -0,0 +1,36 @@ +<head> + <title>Floating-point exception handler test</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + +<body onload="runTest()"> + <embed id="plugin1" type="application/x-test" width="400" height="400"></embed> + + <script class="testbody" type="application/javascript"> + SimpleTest.waitForExplicitFinish(); + + function doDiv(x, y) { + var z; + z = x / y; + + for (let i = 0 + x; i < 1000; ++i) + z = y / x; + + z = x / y; + return z; + } + + function runTest() { + ok(isNaN(doDiv(0.0, 0.0)), "Undefined division-by-zero doesn't crash"); + + try { + document.getElementById("plugin1").enableFPExceptions(); + } catch (e) { + ok(true, "No special code to set the FPU bit in the testplugin."); + SimpleTest.finish(); + return; + } + + ok(isNaN(doDiv(0.0, 0.0)), "Undefined division-by-zero doesn't crash again."); + SimpleTest.finish(); + } + </script> |