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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+gTestfile = '11.6.1-3.js';
+
+/**
+ File Name: 11.6.1-3.js
+ ECMA Section: 11.6.1 The addition operator ( + )
+ Description:
+
+ The addition operator either performs string concatenation or numeric
+ addition.
+
+ The production AdditiveExpression : AdditiveExpression + MultiplicativeExpression
+ is evaluated as follows:
+
+ 1. Evaluate AdditiveExpression.
+ 2. Call GetValue(Result(1)).
+ 3. Evaluate MultiplicativeExpression.
+ 4. Call GetValue(Result(3)).
+ 5. Call ToPrimitive(Result(2)).
+ 6. Call ToPrimitive(Result(4)).
+ 7. If Type(Result(5)) is String or Type(Result(6)) is String, go to step 12.
+ (Note that this step differs from step 3 in the algorithm for comparison
+ for the relational operators in using or instead of and.)
+ 8. Call ToNumber(Result(5)).
+ 9. Call ToNumber(Result(6)).
+ 10. Apply the addition operation to Result(8) and Result(9). See the discussion below (11.6.3).
+ 11. Return Result(10).
+ 12. Call ToString(Result(5)).
+ 13. Call ToString(Result(6)).
+ 14. Concatenate Result(12) followed by Result(13).
+ 15. Return Result(14).
+
+ Note that no hint is provided in the calls to ToPrimitive in steps 5 and 6.
+ All native ECMAScript objects except Date objects handle the absence of a
+ hint as if the hint Number were given; Date objects handle the absence of a
+ hint as if the hint String were given. Host objects may handle the absence
+ of a hint in some other manner.
+
+ This test does only covers cases where the Additive or Mulplicative expression
+ is a Date.
+
+ Author: christine@netscape.com
+ Date: 12 november 1997
+*/
+var SECTION = "11.6.1-3";
+var VERSION = "ECMA_1";
+startTest();
+
+writeHeaderToLog( SECTION + " The Addition operator ( + )");
+
+// tests for boolean primitive, boolean object, Object object, a "MyObject" whose value is
+// a boolean primitive and a boolean object.
+
+var DATE1 = new Date();
+
+new TestCase( SECTION,
+ "var DATE1 = new Date(); DATE1 + DATE1",
+ DATE1.toString() + DATE1.toString(),
+ DATE1 + DATE1 );
+
+new TestCase( SECTION,
+ "var DATE1 = new Date(); DATE1 + 0",
+ DATE1.toString() + 0,
+ DATE1 + 0 );
+
+new TestCase( SECTION,
+ "var DATE1 = new Date(); DATE1 + new Number(0)",
+ DATE1.toString() + 0,
+ DATE1 + new Number(0) );
+
+new TestCase( SECTION,
+ "var DATE1 = new Date(); DATE1 + true",
+ DATE1.toString() + "true",
+ DATE1 + true );
+
+new TestCase( SECTION,
+ "var DATE1 = new Date(); DATE1 + new Boolean(true)",
+ DATE1.toString() + "true",
+ DATE1 + new Boolean(true) );
+
+new TestCase( SECTION,
+ "var DATE1 = new Date(); DATE1 + new Boolean(true)",
+ DATE1.toString() + "true",
+ DATE1 + new Boolean(true) );
+
+var MYOB1 = new MyObject( DATE1 );
+
+new TestCase( SECTION,
+ "MYOB1 = new MyObject(DATE1); MYOB1 + new Number(1)",
+ "[object Object]1",
+ MYOB1 + new Number(1) );
+
+new TestCase( SECTION,
+ "MYOB1 = new MyObject(DATE1); MYOB1 + 1",
+ "[object Object]1",
+ MYOB1 + 1 );
+
+new TestCase( SECTION,
+ "MYOB1 = new MyObject(DATE1); MYOB1 + true",
+ "[object Object]true",
+ MYOB1 + true );
+
+test();
+
+function MyPrototypeObject(value) {
+ this.valueOf = new Function( "return this.value;" );
+ this.toString = new Function( "return (this.value + '');" );
+ this.value = value;
+}
+function MyObject( value ) {
+ this.valueOf = new Function( "return this.value" );
+ this.value = value;
+}