Migrate more tests from blink repository.

test/webkit/fast/js/number-tofixed.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 a few Number.toFixed cases, including ' +
+    '<a href="https://bugs.webkit.org/show_bug.cgi?id=5307">5307: Number.toFixed does not round 0.5 up</a>' +
+    ' and ' +
+    '<a href="https://bugs.webkit.org/show_bug.cgi?id=5308">5308: Number.toFixed does not include leading zero</a>' +
+    '.');
+
+shouldBe("(0).toFixed(0)", "'0'");
+
+shouldBe("(0.49).toFixed(0)", "'0'");
+shouldBe("(0.5).toFixed(0)", "'1'");
+shouldBe("(0.51).toFixed(0)", "'1'");
+
+shouldBe("(-0.49).toFixed(0)", "'-0'");
+shouldBe("(-0.5).toFixed(0)", "'-1'");
+shouldBe("(-0.51).toFixed(0)", "'-1'");
+
+shouldBe("(0).toFixed(1)", "'0.0'");
+
+shouldBe("(0.449).toFixed(1)", "'0.4'");
+shouldBe("(0.45).toFixed(1)", "'0.5'");
+shouldBe("(0.451).toFixed(1)", "'0.5'");
+shouldBe("(0.5).toFixed(1)", "'0.5'");
+shouldBe("(0.549).toFixed(1)", "'0.5'");
+shouldBe("(0.55).toFixed(1)", "'0.6'");
+shouldBe("(0.551).toFixed(1)", "'0.6'");
+
+shouldBe("(-0.449).toFixed(1)", "'-0.4'");
+shouldBe("(-0.45).toFixed(1)", "'-0.5'");
+shouldBe("(-0.451).toFixed(1)", "'-0.5'");
+shouldBe("(-0.5).toFixed(1)", "'-0.5'");
+shouldBe("(-0.549).toFixed(1)", "'-0.5'");
+shouldBe("(-0.55).toFixed(1)", "'-0.6'");
+shouldBe("(-0.551).toFixed(1)", "'-0.6'");
+
+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).toFixed(4)", "0.0000");
+shouldBeEqualToString("(-0.0).toFixed(4)", "0.0000");
+shouldBeEqualToString("(0.0).toFixed()", "0");
+shouldBeEqualToString("(-0.0).toFixed()", "0");
+
+// From http://bugs.webkit.org/show_bug.cgi?id=5258
+shouldBeEqualToString("(1234.567).toFixed()", "1235");
+shouldBeEqualToString("(1234.567).toFixed(0)", "1235");
+// 0 equivilents
+shouldBeEqualToString("(1234.567).toFixed(null)", "1235");
+shouldBeEqualToString("(1234.567).toFixed(false)", "1235");
+shouldBeEqualToString("(1234.567).toFixed('foo')", "1235");
+shouldBeEqualToString("(1234.567).toFixed(nan)", "1235"); // nan is treated like 0
+
+shouldBeEqualToString("(1234.567).toFixed(1)", "1234.6");
+shouldBeEqualToString("(1234.567).toFixed(true)", "1234.6"); // just like 1
+shouldBeEqualToString("(1234.567).toFixed('1')", "1234.6"); // just like 1
+
+shouldBeEqualToString("(1234.567).toFixed(2)", "1234.57");
+shouldBeEqualToString("(1234.567).toFixed(2.9)", "1234.57");
+shouldBeEqualToString("(1234.567).toFixed(5)", "1234.56700");
+shouldBeEqualToString("(1234.567).toFixed(20)", "1234.56700000000000727596");
+
+// SpiderMonkey allows precision values -20 to 100, the spec only allows 0 to 20
+shouldThrow("(1234.567).toFixed(21)");
+shouldThrow("(1234.567).toFixed(100)");
+shouldThrow("(1234.567).toFixed(101)");
+shouldThrow("(1234.567).toFixed(-1)");
+shouldThrow("(1234.567).toFixed(-4)");
+shouldThrow("(1234.567).toFixed(-5)");
+shouldThrow("(1234.567).toFixed(-20)");
+shouldThrow("(1234.567).toFixed(-21)");
+
+shouldThrow("(1234.567).toFixed(posInf)");
+shouldThrow("(1234.567).toFixed(negInf)");
+
+shouldBeEqualToString("posInf.toFixed()", "Infinity");
+shouldBeEqualToString("negInf.toFixed()", "-Infinity");
+shouldBeEqualToString("nan.toFixed()", "NaN");