Migrate more tests from blink repository.

test/webkit/fast/js/reserved-words-strict.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.
 
 function isReserved(word)
 {
     try {
-        eval("var " + word + ";");
+        eval("\"use strict\";var " + word + ";");
         return false;
     } catch (e) {
-        return true;
+            var expectedError = "Use of reserved word '" + word + "' in strict mode";
+            if (expectedError == e.message)
+                return true;
+        else
+                return false;
     }
 }
 
 var reservedWords = [
-    "break",
-    "case",
-    "catch",
-    "class",
-    "const",
-    "continue",
-    "debugger",
-    "default",
-    "delete",
-    "do",
-    "else",
-    "enum",
-    "export",
-    "extends",
-    "false",
-    "finally",
-    "for",
-    "function",
-    "if",
-    "import",
-    "in",
-    "instanceof",
-    "new",
-    "null",
-    "return",
-    "super",
-    "switch",
-    "this",
-    "throw",
-    "true",
-    "try",
-    "typeof",
-    "var",
-    "void",
-    "while",
-    "with"
+    "implements",
+    "let",
+    "private",
+    "public",
+    "yield",
+    "interface",
+    "package",
+    "protected",
+    "static"
 ];
 
 var unreservedWords = [
     "abstract",
     "boolean",
     "byte",
     "char",
     "double",
     "final",
     "float",
     "goto",
-    "implements",
     "int",
-    "interface",
     "long",
     "native",
-    "package",
-    "private",
-    "protected",
-    "public",
     "short",
-    "static",
     "synchronized",
     "throws",
     "transient",
     "volatile"
 ];
 
 description(
-"This file checks which ECMAScript 3 keywords are treated as reserved words."
+"This file checks which ECMAScript 3 keywords are treated as reserved words in strict mode."
 );
 
 reservedWords.sort();
 unreservedWords.sort();
 
 debug("SHOULD BE RESERVED:");
 for (var p in reservedWords) {
     shouldBeTrue("isReserved('" + reservedWords[p] + "')");
 }
 
 debug("");
 
 debug("SHOULD NOT BE RESERVED:");
 for (var p in unreservedWords) {
     shouldBeFalse("isReserved('" + unreservedWords[p] + "')");
 }
 
 debug("");