Migrate more tests from blink repository.

test/webkit/fast/regex/invalid-range-in-class.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 that variable declarations with initializers inside of catch and with blocks do not set values in a deeper scope."
+"This page tests invalid character ranges in character classes."
 );
 
-function catchTest() {
-  var e = "foo";
+// These test a basic range / non range.
+shouldBe('/[a-c]+/.exec("-acbd");', '["acb"]');
+shouldBe('/[a\\-c]+/.exec("-acbd")', '["-ac"]');
 
-  try {
-    throw "bar";
-  } catch (e) {
-    var e = "baz";
-  }
+// A reverse-range is invalid.
+shouldThrow('/[c-a]+/.exec("-acbd");');
 
-  return e;
-}
+// A character-class in a range is invalid, according to ECMA-262, but we allow it.
+shouldBe('/[\\d-x]+/.exec("1-3xy");', '["1-3x"]');
+shouldBe('/[x-\\d]+/.exec("1-3xy");', '["1-3x"]');
+shouldBe('/[\\d-\\d]+/.exec("1-3xy");', '["1-3"]');
 
-function catchTest2() {
-  var e = "foo";
+// Whilst we break with ECMA-262's definition of CharacterRange, we do comply with
+// the grammar, and as such in the following regex a-z cannot be matched as a range.
+shouldBe('/[\\d-a-z]+/.exec("az1-3y");', '["az1-3"]');
 
-  try {
-    throw "bar";
-  } catch (e) {
-    var e = "baz";
+// An escaped hypen should not be confused for an invalid range.
+shouldBe('/[\\d\\-x]+/.exec("1-3xy");', '["1-3x"]');
+shouldBe('/[x\\-\\d]+/.exec("1-3xy");', '["1-3x"]');
+shouldBe('/[\\d\\-\\d]+/.exec("1-3xy");', '["1-3"]');
 
-    return e;
-  }
-}
-
-function withTest() {
-  var e = "foo"
-  var object = { 'e' : "bar" };
-
-  with (object) {
-    var e = "baz";
-  }
-
-  return e;
-}
-
-function withTest2() {
-  var e = "foo"
-  var object = { 'e' : "bar" };
-
-  with (object) {
-    var e = "baz";
-
-    return e;
-  }
-}
-
-shouldBe("catchTest()", "'foo'");
-shouldBe("catchTest2()", "'baz'");
-shouldBe("withTest()", "'foo'");
-shouldBe("withTest2()", "'baz'");
+// A hyphen after a character-class is not invalid.
+shouldBe('/[\\d-]+/.exec("1-3xy")', '["1-3"]');