aoqi@0: /* aoqi@0: * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. attila@962: * aoqi@0: * This code is free software; you can redistribute it and/or modify it aoqi@0: * under the terms of the GNU General Public License version 2 only, as aoqi@0: * published by the Free Software Foundation. attila@962: * aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that aoqi@0: * accompanied this code). attila@962: * aoqi@0: * You should have received a copy of the GNU General Public License version aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation, aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. attila@962: * aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA aoqi@0: * or visit www.oracle.com if you need additional information or have any aoqi@0: * questions. aoqi@0: */ aoqi@0: aoqi@0: /** aoqi@0: * Checks for binary addition operator. aoqi@0: * aoqi@0: * @test aoqi@0: * @run aoqi@0: */ aoqi@0: aoqi@0: // number addition aoqi@0: var x = Math.PI + Math.E; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: // string concatenation aoqi@0: x = "hello, " + "world"; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: // string + number aoqi@0: x = "E is " + Math.E; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: // number + string aoqi@0: x = Math.PI + " is PI"; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: // number + undefined aoqi@0: x = Math.E + undefined; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: x = undefined + Math.PI; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: // object with "valueOf" method added to number aoqi@0: var obj = { aoqi@0: valueOf: function() { return 44.55; } aoqi@0: }; aoqi@0: aoqi@0: x = 45.66 + obj; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: x = obj + 3.14; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: // object with "toString" method added to number aoqi@0: var obj2 = { aoqi@0: toString: function() { return "obj2.toString"; } aoqi@0: }; aoqi@0: aoqi@0: x = "hello, " + obj2; aoqi@0: print(typeof(x)); aoqi@0: print(x); aoqi@0: aoqi@0: x = obj2 + " hello"; aoqi@0: print(typeof(x)); aoqi@0: print(x);