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.codegen;
  27 
  28 import java.io.File;
  29 import java.io.PrintWriter;
  30 import java.io.StringWriter;
  31 import jdk.nashorn.internal.objects.Global;
  32 import jdk.nashorn.internal.runtime.Context;
  33 import jdk.nashorn.internal.runtime.ErrorManager;
  34 import jdk.nashorn.internal.runtime.ScriptFunction;
  35 import jdk.nashorn.internal.runtime.ScriptObject;
  36 import jdk.nashorn.internal.runtime.Source;
  37 import jdk.nashorn.internal.runtime.options.Options;
  38 import org.testng.Assert;
  39 import org.testng.annotations.AfterClass;
  40 import org.testng.annotations.BeforeClass;
  41 import org.testng.annotations.Test;
  42 
  43 /**
  44  * Tests to check Nashorn JS compiler - just compiler and not execution of scripts.
  45  */
  46 public class CompilerTest {
  47     private static final boolean VERBOSE  = Boolean.valueOf(System.getProperty("compilertest.verbose"));
  48     private static final boolean TEST262  = Boolean.valueOf(System.getProperty("compilertest.test262"));
  49     private static final String TEST_BASIC_DIR  = System.getProperty("test.basic.dir");
  50     private static final String TEST_NODE_DIR  = System.getProperty("test.node.dir");
  51     private static final String TEST262_SUITE_DIR = System.getProperty("test262.suite.dir");
  52 
  53     interface TestFilter {
  54         public boolean exclude(File file, String content);
  55     }
  56 
  57     private void log(String msg) {
  58         org.testng.Reporter.log(msg, true);
  59     }
  60 
  61     private Context context;
  62     private Global  global;
  63 
  64     @BeforeClass
  65     public void setupTest() {
  66         final Options options = new Options("nashorn");
  67         options.set("anon.functions", true);
  68         options.set("compile.only", true);
  69         options.set("print.ast", true);
  70         options.set("print.parse", true);
  71         options.set("scripting", true);
  72 
  73         final ErrorManager errors = new ErrorManager() {
  74             @Override
  75             public void error(final String msg) {
  76                 log(msg);
  77             }
  78         };
  79 
  80         final StringWriter sw = new StringWriter();
  81         final PrintWriter pw = new PrintWriter(sw);
  82         this.context = new Context(options, errors, pw, pw, Thread.currentThread().getContextClassLoader());
  83         this.global = context.createGlobal();
  84     }
  85 
  86     @AfterClass
  87     public void tearDownTest() {
  88         this.context = null;
  89         this.global = null;
  90     }
  91 
  92     @Test
  93     public void compileAllTests() {
  94         if (TEST262) {
  95             compileTestSet(new File(TEST262_SUITE_DIR), new TestFilter() {
  96                 @Override
  97                 public boolean exclude(final File file, final String content) {
  98                     return content.indexOf("@negative") != -1;
  99                 }
 100             });
 101         }
 102         compileTestSet(new File(TEST_BASIC_DIR), null);
 103         compileTestSet(new File(TEST_NODE_DIR, "node"), null);
 104         compileTestSet(new File(TEST_NODE_DIR, "src"), null);
 105     }
 106 
 107     private void compileTestSet(final File testSetDir, final TestFilter filter) {
 108         passed = 0;
 109         failed = 0;
 110         skipped = 0;
 111         if (! testSetDir.isDirectory()) {
 112             log("WARNING: " + testSetDir + " not found or not a directory");
 113             return;
 114         }
 115         log(testSetDir.getAbsolutePath());
 116         compileJSDirectory(testSetDir, filter);
 117 
 118         log(testSetDir + " compile done!");
 119         log("compile ok: " + passed);
 120         log("compile failed: " + failed);
 121         log("compile skipped: " + skipped);
 122         if (failed != 0) {
 123             Assert.fail(failed + " tests failed to compile in " + testSetDir.getAbsolutePath());
 124         }
 125     }
 126 
 127     // number of scripts that compiled fine
 128     private int passed;
 129     // number of scripts resulting in compile failure
 130     private int failed;
 131     // scripts that were skipped - all tests with @negative are
 132     // skipped for now.
 133     private int skipped;
 134 
 135     private void compileJSDirectory(final File dir, final TestFilter filter) {
 136         for (final File f : dir.listFiles()) {
 137             if (f.isDirectory()) {
 138                 compileJSDirectory(f, filter);
 139             } else if (f.getName().endsWith(".js")) {
 140                 compileJSFile(f, filter);
 141             }
 142         }
 143     }
 144 
 145     private void compileJSFile(final File file, final TestFilter filter) {
 146         if (VERBOSE) {
 147             log("Begin compiling " + file.getAbsolutePath());
 148         }
 149 
 150         final Global oldGlobal = Context.getGlobal();
 151         final boolean globalChanged = (oldGlobal != global);
 152 
 153         try {
 154             final char[] buffer = Source.readFully(file);
 155             boolean excluded = false;
 156 
 157             if (filter != null) {
 158                 final String content = new String(buffer);
 159                 excluded = filter.exclude(file, content);
 160             }
 161 
 162             if (excluded) {
 163                 if (VERBOSE) {
 164                     log("Skipping " + file.getAbsolutePath());
 165                 }
 166                 skipped++;
 167                 return;
 168             }
 169 
 170             if (globalChanged) {
 171                 Context.setGlobal(global);
 172             }
 173             final Source source = new Source(file.getAbsolutePath(), buffer);
 174             final ScriptFunction script = context.compileScript(source, global);
 175             if (script == null || context.getErrorManager().getNumberOfErrors() > 0) {
 176                 log("Compile failed: " + file.getAbsolutePath());
 177                 failed++;
 178             } else {
 179                 passed++;
 180             }
 181         } catch (final Throwable t) {
 182             log("Compile failed: " + file.getAbsolutePath() + " : " + t);
 183             if (VERBOSE) {
 184                 t.printStackTrace(System.out);
 185             }
 186             failed++;
 187         } finally {
 188             if (globalChanged) {
 189                 Context.setGlobal(oldGlobal);
 190             }
 191         }
 192 
 193         if (VERBOSE) {
 194             log("Done compiling " + file.getAbsolutePath());
 195         }
 196     }
 197 }