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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /toolkit/xre/test/test_fpuhandler.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-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> |