Index: test/webkit/fast/regex/toString.js |
diff --git a/test/webkit/fast/regex/toString.js b/test/webkit/fast/regex/toString.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a76fbe8c27e5214ca308a0cad43ae4de6ab8595f |
--- /dev/null |
+++ b/test/webkit/fast/regex/toString.js |
@@ -0,0 +1,87 @@ |
+// 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 page tests toString conversion of RegExp objects, particularly wrt to '/' characters and RegExp.prototype."); |
+ |
+function testForwardSlash(pattern, _string) |
+{ |
+ string = _string; |
+ |
+ re1 = new RegExp(pattern); |
+ re2 = eval(re1.toString()); |
+ |
+ return re1.test(string) && re2.test(string); |
+} |
+ |
+function testLineTerminator(pattern) |
+{ |
+ re1 = new RegExp(pattern); |
+ |
+ return /\n|\r|\u2028|\u2029/.test(re1.toString()); |
+} |
+ |
+shouldBe("RegExp('/').source", '"\\\\/"'); |
+shouldBe("RegExp('').source", '"(?:)"'); |
+shouldBe("RegExp.prototype.source", '"(?:)"'); |
+ |
+shouldBe("RegExp('/').toString()", '"/\\\\//"'); |
+shouldBe("RegExp('').toString()", '"/(?:)/"'); |
+shouldBe("RegExp.prototype.toString()", '"/(?:)/"'); |
+ |
+// These strings are equivalent, since the '\' is identity escaping the '/' at the string level. |
+shouldBeTrue('testForwardSlash("^/$", "/");'); |
+shouldBeTrue('testForwardSlash("^\/$", "/");'); |
+// This string passes "^\/$" to the RegExp, so the '/' is escaped in the re! |
+shouldBeTrue('testForwardSlash("^\\/$", "/");'); |
+// These strings pass "^\\/$" and "^\\\/$" respectively to the RegExp, giving one '\' to match. |
+shouldBeTrue('testForwardSlash("^\\\\/$", "\\/");'); |
+shouldBeTrue('testForwardSlash("^\\\\\\/$", "\\/");'); |
+// These strings match two backslashes (the second with the '/' escaped). |
+shouldBeTrue('testForwardSlash("^\\\\\\\\/$", "\\\\/");'); |
+shouldBeTrue('testForwardSlash("^\\\\\\\\\\/$", "\\\\/");'); |
+// Test that nothing goes wrongif there are multiple forward slashes! |
+shouldBeTrue('testForwardSlash("x/x/x", "x\\/x\\/x");'); |
+shouldBeTrue('testForwardSlash("x\\/x/x", "x\\/x\\/x");'); |
+shouldBeTrue('testForwardSlash("x/x\\/x", "x\\/x\\/x");'); |
+shouldBeTrue('testForwardSlash("x\\/x\\/x", "x\\/x\\/x");'); |
+ |
+shouldBeFalse('testLineTerminator("\\n");'); |
+shouldBeFalse('testLineTerminator("\\\\n");'); |
+shouldBeFalse('testLineTerminator("\\r");'); |
+shouldBeFalse('testLineTerminator("\\\\r");'); |
+shouldBeFalse('testLineTerminator("\\u2028");'); |
+shouldBeFalse('testLineTerminator("\\\\u2028");'); |
+shouldBeFalse('testLineTerminator("\\u2029");'); |
+shouldBeFalse('testLineTerminator("\\\\u2029");'); |
+ |
+shouldBe("RegExp('[/]').source", "'[/]'"); |
+shouldBe("RegExp('\\\\[/]').source", "'\\\\[\\\\/]'"); |
+ |
+// See 15.10.6.4 |
+// The first half of this checks that: |
+// Return the String value formed by concatenating the Strings "/", the |
+// String value of the source property of this RegExp object, and "/"; |
+// The second half checks that: |
+// The returned String has the form of a RegularExpressionLiteral that |
+// evaluates to another RegExp object with the same behaviour as this object. |
+shouldBe("var o = new RegExp(); o.toString() === '/'+o.source+'/' && eval(o.toString()+'.exec(String())')", '[""]'); |