1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8049086: Minor API convenience functions on "Java" object
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 var System = Java.type("java.lang.System");
  32 var out = System.out;
  33 var println = out.println;
  34 var getProperty = System.getProperty;
  35 var File = Java.type("java.io.File")["(String)"];
  36 
  37 print("println is java method? " + Java.isJavaMethod(println));
  38 print("println is script function? " + Java.isScriptFunction(println));
  39 print("getProperty is java method? " + Java.isJavaMethod(getProperty));
  40 print("getProperty is script function? " + Java.isScriptFunction(getProperty));
  41 print("File is java method? " + Java.isJavaMethod(File));
  42 print("File is script function? " + Java.isScriptFunction(File));
  43 
  44 print("eval is script function? " + Java.isScriptFunction(eval));
  45 print("eval is java method? " + Java.isJavaMethod(eval));
  46 function hello() {}
  47 print("hello is script function? " + Java.isScriptFunction(hello));
  48 print("hello is java method? " + Java.isJavaMethod(hello));
  49 
  50 print("out is script object? " + Java.isScriptObject(out));
  51 print("System is script object? " + Java.isScriptObject(System));
  52 print("Object is script object? " + Java.isScriptObject(Object));
  53 print("{} is script object? " + Java.isScriptObject({}));
  54 print("/foo/ is script object? " + Java.isScriptObject(/foo/));
  55 
  56 // Java function is anything whose 'typeof' is 'function' but it is not
  57 // a script function! This includes:
  58 // (a) Java methods (b) Java classes (as these respond to new)
  59 // (c) FunctionalInterface objects (d) JSObjects that are 'functions'
  60 
  61 print("java.lang.String is java function? " + Java.isJavaFunction(java.lang.String));
  62 print("java.lang.Runnable instance is java function? "
  63     + Java.isJavaFunction(new java.lang.Runnable(function() {})));
  64 print("eval is java function? " + Java.isJavaFunction(eval));
  65 print("println is java function? " + Java.isJavaFunction(println));
  66 print("getProperty is java function? " + Java.isJavaFunction(getProperty));
  67 
  68 var JSObject = Java.type("jdk.nashorn.api.scripting.JSObject");
  69 print("callable JSObject is function? " +
  70     Java.isJavaFunction(new JSObject() {
  71         isFunction: function() true,
  72         call: function() {}
  73     })
  74 );
  75 
  76 print("Non callable JSObject is function? " +
  77     Java.isJavaFunction(new JSObject() {
  78         isFunction: function() false,
  79     })
  80 );
  81 
  82 // synchronized function
  83 var lock = new java.lang.Object();
  84 
  85 print("lock is java object? " + Java.isJavaObject(lock));
  86 print("eval is java object? " + Java.isJavaObject(eval));
  87 print("{} is java object? " + Java.isJavaObject({}));
  88 print("/foo/ is java object? " + Java.isJavaObject(/foo/));
  89 print("[] is java object? " + Java.isJavaObject([]));
  90 print("java.io.File is java object? " + Java.isJavaObject(java.io.File));
  91 
  92 // synchornized function checks
  93 Java.synchronized(function() {
  94     var th = new java.lang.Thread(Java.synchronized(function() {
  95         print("new thread");
  96         print("notifying..");
  97         lock.notifyAll();
  98     }, lock));
  99     th.start();
 100     print("about to wait..");
 101     lock.wait();
 102     th.join();
 103     print("done waiting!");
 104 }, lock)();
 105 
 106 // try Mozilla "sync" as well
 107 load("nashorn:mozilla_compat.js");
 108 sync(function() {
 109     var th = new java.lang.Thread(sync(function() {
 110         print("new thread");
 111         print("notifying..");
 112         lock.notifyAll();
 113     }, lock));
 114     th.start();
 115     print("about to wait..");
 116     lock.wait();
 117     th.join();
 118     print("done waiting!");
 119 }, lock)();
 120 
 121 function expectTypeError(func) {
 122     try {
 123         func();
 124         throw new Error("should have thrown TypeError");
 125     } catch (e) {
 126         if (! (e instanceof TypeError)) {
 127             fail("Expected TypeError, got " +e);
 128         }
 129         print(e);
 130     }
 131 }
 132 
 133 expectTypeError(function() Java.synchronized(232));
 134 expectTypeError(function() sync(232));
 135 expectTypeError(function() Java.synchronized({}));
 136 expectTypeError(function() sync({}));
 137 expectTypeError(function() Java.synchronized([]));
 138 expectTypeError(function() sync([]));
 139 expectTypeError(function() Java.synchronized("hello"));
 140 expectTypeError(function() sync("hello"));
 141 expectTypeError(function() Java.synchronized(null));
 142 expectTypeError(function() sync(null));
 143 expectTypeError(function() Java.synchronized(undefined));
 144 expectTypeError(function() sync(undefined));