1 /*

     2  * Copyright (c) 2010, 2013, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package jdk.nashorn.internal.runtime;

    27 

    28 import static jdk.nashorn.internal.runtime.Source.sourceFor;

    29 import static org.testng.Assert.assertEquals;

    30 import static org.testng.Assert.assertTrue;

    31 import static org.testng.Assert.fail;

    32 import java.util.Map;

    33 import jdk.nashorn.internal.objects.Global;

    34 import jdk.nashorn.internal.runtime.options.Options;

    35 import org.testng.annotations.Test;

    36 

    37 /**

    38  * Basic Context API tests.

    39  *

    40  * @test

    41  * @run testng jdk.nashorn.internal.runtime.ContextTest

    42  */

    43 @SuppressWarnings("javadoc")

    44 public class ContextTest {

    45     // basic context eval test

    46     @Test

    47     public void evalTest() {

    48         final Options options = new Options("");

    49         final ErrorManager errors = new ErrorManager();

    50         final Context cx = new Context(options, errors, Thread.currentThread().getContextClassLoader());

    51         final Global oldGlobal = Context.getGlobal();

    52         Context.setGlobal(cx.createGlobal());

    53         try {

    54             String code = "22 + 10";

    55             assertTrue(32.0 == ((Number)(eval(cx, "<evalTest>", code))).doubleValue());

    56 

    57             code = "obj = { js: 'nashorn' }; obj.js";

    58             assertEquals(eval(cx, "<evalTest2>", code), "nashorn");

    59         } finally {

    60             Context.setGlobal(oldGlobal);

    61         }

    62     }

    63 

    64     // Make sure trying to compile an invalid script returns null - see JDK-8046215.

    65     @Test

    66     public void compileErrorTest() {

    67         final Options options = new Options("");

    68         final ErrorManager errors = new ErrorManager();

    69         final Context cx = new Context(options, errors, Thread.currentThread().getContextClassLoader());

    70         final Global oldGlobal = Context.getGlobal();

    71         Context.setGlobal(cx.createGlobal());

    72         try {

    73             final ScriptFunction script = cx.compileScript(sourceFor("<evalCompileErrorTest>", "*/"), Context.getGlobal());

    74             if (script != null) {

    75                 fail("Invalid script compiled without errors");

    76             }

    77             if (errors.getNumberOfErrors() != 1) {

    78                 fail("Wrong number of errors: " + errors.getNumberOfErrors());

    79             }

    80         } finally {

    81             Context.setGlobal(oldGlobal);

    82         }

    83     }

    84 

    85     // basic check for JS reflection access - java.util.Map-like access on ScriptObject

    86     @Test

    87     public void reflectionTest() {

    88         final Options options = new Options("");

    89         final ErrorManager errors = new ErrorManager();

    90         final Context cx = new Context(options, errors, Thread.currentThread().getContextClassLoader());

    91         final boolean strict = cx.getEnv()._strict;

    92         final Global oldGlobal = Context.getGlobal();

    93         Context.setGlobal(cx.createGlobal());

    94 

    95         try {

    96             final String code = "var obj = { x: 344, y: 42 }";

    97             eval(cx, "<reflectionTest>", code);

    98 

    99             final Object obj = Context.getGlobal().get("obj");

   100 

   101             assertTrue(obj instanceof ScriptObject);

   102 

   103             final ScriptObject sobj = (ScriptObject)obj;

   104             int count = 0;

   105             for (final Map.Entry<?, ?> ex : sobj.entrySet()) {

   106                 final Object key = ex.getKey();

   107                 if (key.equals("x")) {

   108                     assertTrue(ex.getValue() instanceof Number);

   109                     assertTrue(344.0 == ((Number)ex.getValue()).doubleValue());

   110 

   111                     count++;

   112                 } else if (key.equals("y")) {

   113                     assertTrue(ex.getValue() instanceof Number);

   114                     assertTrue(42.0 == ((Number)ex.getValue()).doubleValue());

   115 

   116                     count++;

   117                 }

   118             }

   119             assertEquals(count, 2);

   120             assertEquals(sobj.size(), 2);

   121 

   122             // add property

   123             sobj.put("zee", "hello", strict);

   124             assertEquals(sobj.get("zee"), "hello");

   125             assertEquals(sobj.size(), 3);

   126 

   127         } finally {

   128             Context.setGlobal(oldGlobal);

   129         }

   130     }

   131 

   132     private static Object eval(final Context cx, final String name, final String code) {

   133         final Source source = sourceFor(name, code);

   134         final ScriptObject global = Context.getGlobal();

   135         final ScriptFunction func = cx.compileScript(source, global);

   136         return func != null ? ScriptRuntime.apply(func, global) : null;

   137     }

   138 }