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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /toolkit/xre/test/test_fpuhandler.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--toolkit/xre/test/test_fpuhandler.html36
1 files changed, 36 insertions, 0 deletions
diff --git a/toolkit/xre/test/test_fpuhandler.html b/toolkit/xre/test/test_fpuhandler.html
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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>