Migrated several tests from blink to V8 repository.

test/webkit/math-transforms.js

+// 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 for potential edge case bugs with certain math transforms involving multiplication by 1 and unary plus."
+
+);
+
+var values = {
+    someInt: 42,
+    someFloat: 42.42,
+    one: 1,
+    minusOne: -1,
+    zero: 0,
+    minusZero: -0,
+    infinity: Infinity,
+    minusInfinity: -Infinity,
+    notANumber: NaN,
+    nonNumberString: "x",
+    someFloatString: "42.42"
+};
+
+var numberForString = {
+    nonNumberString: "notANumber",
+    someFloatString: "someFloat"
+};
+
+for (var name in values) {
+    var numForStr = numberForString[name] ? numberForString[name] : name;
+
+    shouldBe("values." + name + " * 1", "+values." + name);
+    shouldBe("values." + name + " * 1", stringify(values[numForStr]));
+
+    shouldBe("1 * values." + name, "+values." + name);
+    shouldBe("1 * values." + name, stringify(values[numForStr]));
+}
+
+for (var name1 in values) {
+    var numForStr1 = numberForString[name1] ? numberForString[name1] : name1;
+    for (var name2 in values) {
+        var numForStr2 = numberForString[name2] ? numberForString[name2] : name2;
+
+        shouldBe("+values." + name1 + " * values." + name2, "values." + name1 + " * values." + name2);
+        shouldBe("+values." + name1 + " * values." + name2, stringify(values[name1] * values[name2]));
+        shouldBe("values." + name1 + " * +values." + name2, "values." + name1 + " * values." + name2);
+        shouldBe("values." + name1 + " * +values." + name2, stringify(values[name1] * values[name2]));
+        shouldBe("+values." + name1 + " * +values." + name2, "values." + name1 + " * values." + name2);
+        shouldBe("+values." + name1 + " * +values." + name2, stringify(values[name1] * values[name2]));
+
+        shouldBe("+values." + name1 + " / values." + name2, "values." + name1 + " / values." + name2);
+        shouldBe("+values." + name1 + " / values." + name2, stringify(values[name1] / values[name2]));
+        shouldBe("values." + name1 + " / +values." + name2, "values." + name1 + " / values." + name2);
+        shouldBe("values." + name1 + " / +values." + name2, stringify(values[name1] / values[name2]));
+        shouldBe("+values." + name1 + " / +values." + name2, "values." + name1 + " / values." + name2);
+        shouldBe("+values." + name1 + " / +values." + name2, stringify(values[name1] / values[name2]));
+
+        shouldBe("+values." + name1 + " - values." + name2, "values." + name1 + " - values." + name2);
+        shouldBe("+values." + name1 + " - values." + name2, stringify(values[name1] - values[name2]));
+        shouldBe("values." + name1 + " - +values." + name2, "values." + name1 + " - values." + name2);
+        shouldBe("values." + name1 + " - +values." + name2, stringify(values[name1] - values[name2]));
+        shouldBe("+values." + name1 + " - +values." + name2, "values." + name1 + " - values." + name2);
+        shouldBe("+values." + name1 + " - +values." + name2, stringify(values[name1] - values[name2]));
+    }
+}