Migrated several tests from blink to V8 repository.

test/webkit/keywords-and-reserved_words.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 verifies that keywords and reserved words match those specified in ES5 section 7.6."
+);
+
+function isKeyword(x)
+{
+    try {
+        eval("var "+x+";");
+    } catch(e) {
+        return true;
+    }
+
+    return false;
+}
+
+function isStrictKeyword(x)
+{
+    try {
+        eval("'use strict'; var "+x+";");
+    } catch(e) {
+        return true;
+    }
+
+    return false;
+}
+
+function classifyIdentifier(x)
+{
+    if (isKeyword(x)) {
+        // All non-strict keywords are also keywords in strict code.
+        if (!isStrictKeyword(x))
+            return "ERROR";
+        return "keyword";
+    }
+
+    // Check for strict mode future reserved words.
+    if (isStrictKeyword(x))
+        return "strict";
+
+    return "identifier";
+}
+
+// Not keywords - these are all just identifiers.
+shouldBe('classifyIdentifier("x")', '"identifier"');
+shouldBe('classifyIdentifier("id")', '"identifier"');
+shouldBe('classifyIdentifier("identifier")', '"identifier"');
+shouldBe('classifyIdentifier("keyword")', '"identifier"');
+shouldBe('classifyIdentifier("strict")', '"identifier"');
+shouldBe('classifyIdentifier("use")', '"identifier"');
+// These are identifiers that we used to treat as keywords!
+shouldBe('classifyIdentifier("abstract")', '"identifier"');
+shouldBe('classifyIdentifier("boolean")', '"identifier"');
+shouldBe('classifyIdentifier("byte")', '"identifier"');
+shouldBe('classifyIdentifier("char")', '"identifier"');
+shouldBe('classifyIdentifier("double")', '"identifier"');
+shouldBe('classifyIdentifier("final")', '"identifier"');
+shouldBe('classifyIdentifier("float")', '"identifier"');
+shouldBe('classifyIdentifier("goto")', '"identifier"');
+shouldBe('classifyIdentifier("int")', '"identifier"');
+shouldBe('classifyIdentifier("long")', '"identifier"');
+shouldBe('classifyIdentifier("native")', '"identifier"');
+shouldBe('classifyIdentifier("short")', '"identifier"');
+shouldBe('classifyIdentifier("synchronized")', '"identifier"');
+shouldBe('classifyIdentifier("throws")', '"identifier"');
+shouldBe('classifyIdentifier("transient")', '"identifier"');
+shouldBe('classifyIdentifier("volatile")', '"identifier"');
+
+// Keywords.
+shouldBe('classifyIdentifier("break")', '"keyword"');
+shouldBe('classifyIdentifier("case")', '"keyword"');
+shouldBe('classifyIdentifier("catch")', '"keyword"');
+shouldBe('classifyIdentifier("continue")', '"keyword"');
+shouldBe('classifyIdentifier("debugger")', '"keyword"');
+shouldBe('classifyIdentifier("default")', '"keyword"');
+shouldBe('classifyIdentifier("delete")', '"keyword"');
+shouldBe('classifyIdentifier("do")', '"keyword"');
+shouldBe('classifyIdentifier("else")', '"keyword"');
+shouldBe('classifyIdentifier("finally")', '"keyword"');
+shouldBe('classifyIdentifier("for")', '"keyword"');
+shouldBe('classifyIdentifier("function")', '"keyword"');
+shouldBe('classifyIdentifier("if")', '"keyword"');
+shouldBe('classifyIdentifier("in")', '"keyword"');
+shouldBe('classifyIdentifier("instanceof")', '"keyword"');
+shouldBe('classifyIdentifier("new")', '"keyword"');
+shouldBe('classifyIdentifier("return")', '"keyword"');
+shouldBe('classifyIdentifier("switch")', '"keyword"');
+shouldBe('classifyIdentifier("this")', '"keyword"');
+shouldBe('classifyIdentifier("throw")', '"keyword"');
+shouldBe('classifyIdentifier("try")', '"keyword"');
+shouldBe('classifyIdentifier("typeof")', '"keyword"');
+shouldBe('classifyIdentifier("var")', '"keyword"');
+shouldBe('classifyIdentifier("void")', '"keyword"');
+shouldBe('classifyIdentifier("while")', '"keyword"');
+shouldBe('classifyIdentifier("with")', '"keyword"');
+// Technically these are "Future Reserved Words"!
+shouldBe('classifyIdentifier("class")', '"keyword"');
+shouldBe('classifyIdentifier("const")', '"keyword"');
+shouldBe('classifyIdentifier("enum")', '"keyword"');
+shouldBe('classifyIdentifier("export")', '"keyword"');
+shouldBe('classifyIdentifier("extends")', '"keyword"');
+shouldBe('classifyIdentifier("import")', '"keyword"');
+shouldBe('classifyIdentifier("super")', '"keyword"');
+
+// Future Reserved Words, in strict mode only.
+shouldBe('classifyIdentifier("implements")', '"strict"');
+shouldBe('classifyIdentifier("interface")', '"strict"');
+shouldBe('classifyIdentifier("let")', '"strict"');
+shouldBe('classifyIdentifier("package")', '"strict"');
+shouldBe('classifyIdentifier("private")', '"strict"');
+shouldBe('classifyIdentifier("protected")', '"strict"');
+shouldBe('classifyIdentifier("public")', '"strict"');
+shouldBe('classifyIdentifier("static")', '"strict"');
+shouldBe('classifyIdentifier("yield")', '"strict"');