Migrated several tests from blink to V8 repository.

test/webkit/number-toExponential.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.
+
+var posInf = 1/0;
+var negInf = -1/0;
+var nan = 0/0;
+
+// From Acid3, http://bugs.webkit.org/show_bug.cgi?id=16640
+shouldBeEqualToString("(0.0).toExponential(4)", "0.0000e+0");
+shouldBeEqualToString("(-0.0).toExponential(4)", "0.0000e+0");
+shouldBeEqualToString("(0.0).toExponential()", "0e+0");
+shouldBeEqualToString("(-0.0).toExponential()", "0e+0");
+// From http://bugs.webkit.org/show_bug.cgi?id=5259
+shouldBeEqualToString("(123.456).toExponential()", "1.23456e+2");
+shouldBeEqualToString("(123.456).toExponential(0)", "1e+2");
+// 0 equivilents
+shouldBeEqualToString("(123.456).toExponential(null)", "1e+2");
+shouldBeEqualToString("(123.456).toExponential(false)", "1e+2");
+shouldBeEqualToString("(123.456).toExponential('foo')", "1e+2");
+shouldBeEqualToString("(123.456).toExponential(nan)", "1e+2"); // nan is treated like 0
+
+shouldBeEqualToString("(123.456).toExponential(1)", "1.2e+2");
+// 1 equivilents
+shouldBeEqualToString("(123.456).toExponential(true)", "1.2e+2"); // just like 1
+shouldBeEqualToString("(123.456).toExponential('1')", "1.2e+2");
+
+shouldBeEqualToString("(123.456).toExponential(2)", "1.23e+2");
+shouldBeEqualToString("(123.456).toExponential(2.9)", "1.23e+2");
+shouldBeEqualToString("(123.456).toExponential(3)", "1.235e+2");
+shouldBeEqualToString("(123.456).toExponential(5)", "1.23456e+2");
+shouldBeEqualToString("(123.456).toExponential(6)", "1.234560e+2");
+shouldBeEqualToString("(123.456).toExponential(20)", "1.23456000000000003070e+2");
+
+// SpiderMonkey allows precision values 0 to 100, we only allow 0 to 20 currently
+shouldThrow("(123.456).toExponential(21)");
+shouldThrow("(123.456).toExponential(100)");
+shouldThrow("(123.456).toExponential(101)");
+shouldThrow("(123.456).toExponential(-1)");
+
+shouldThrow("(1234.567).toExponential(posInf)");
+shouldThrow("(1234.567).toExponential(negInf)");
+
+shouldBeEqualToString("posInf.toExponential()", "Infinity");
+shouldBeEqualToString("negInf.toExponential()", "-Infinity");
+shouldBeEqualToString("nan.toExponential()", "NaN");
+
+shouldBeEqualToString("(0.01).toExponential()", "1e-2");
+shouldBeEqualToString("(0.1).toExponential()", "1e-1");
+shouldBeEqualToString("(0.9).toExponential()", "9e-1");
+shouldBeEqualToString("(0.9999).toExponential()", "9.999e-1");
+shouldBeEqualToString("(0.9999).toExponential(2)", "1.00e+0");