1 files changed, 62 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/mod-crash.js b/deps/v8/test/webkit/mod-crash.js
new file mode 100644
index 0000000000..2bc01a122c
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+++ b/deps/v8/test/webkit/mod-crash.js
@@ -0,0 +1,62 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1.  Redistributions of source code must retain the above copyright
+//     notice, this list of conditions and the following disclaimer.
+// 2.  Redistributions in binary form must reproduce the above copyright
+//     notice, this list of conditions and the following disclaimer in the
+//     documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+description(
+"This test checks that n % 0 doesn't crash with a floating-point exception."
+);
+
+shouldBe("2 % 0", "NaN");
+
+var n = 2;
+shouldBe("n % 0", "NaN");
+
+function f()
+{
+    return 2 % 0;
+}
+
+shouldBe("f()", "NaN");
+
+function g()
+{
+    var n = 2;
+    return n % 0;
+}
+
+shouldBe("g()", "NaN");
+
+// Test that reusing a floating point value after use in a modulus works correctly.
+function nonSpeculativeModReuseInner(argument, o1, o2)
+{
+         // The + operator on objects is a reliable way to avoid the speculative JIT path for now at least.
+    o1 + o2;
+
+    var knownDouble = argument - 0;
+    return knownDouble % 1 + knownDouble;
+}
+function nonSpeculativeModReuse(argument)
+{
+    return nonSpeculativeModReuseInner(argument, {}, {});
+}
+
+shouldBe("nonSpeculativeModReuse(0.5)", "1");