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 static jdk.nashorn.internal.runtime.Source.readFully;
  29 import static jdk.nashorn.internal.runtime.Source.sourceFor;
  30 import java.io.File;
  31 import java.io.PrintWriter;
  32 import java.io.StringWriter;
  33 import jdk.nashorn.internal.objects.Global;
  34 import jdk.nashorn.internal.runtime.Context;
  35 import jdk.nashorn.internal.runtime.ErrorManager;
  36 import jdk.nashorn.internal.runtime.ScriptFunction;
  37 import jdk.nashorn.internal.runtime.Source;
  38 import jdk.nashorn.internal.runtime.options.Options;
  39 import org.testng.Assert;
  40 import org.testng.annotations.AfterClass;
  41 import org.testng.annotations.BeforeClass;
  42 import org.testng.annotations.Test;
  43 
  44 /**
  45  * Tests to check Nashorn JS compiler - just compiler and not execution of scripts.
  46  */
  47 @SuppressWarnings("javadoc")
  48 public class CompilerTest {
  49     private static final boolean VERBOSE  = Boolean.valueOf(System.getProperty("compilertest.verbose"));
  50     private static final boolean TEST262  = Boolean.valueOf(System.getProperty("compilertest.test262"));
  51     private static final String TEST_BASIC_DIR  = System.getProperty("test.basic.dir");
  52     private static final String TEST_NODE_DIR  = System.getProperty("test.node.dir");
  53     private static final String TEST262_SUITE_DIR = System.getProperty("test262.suite.dir");
  54 
  55     interface TestFilter {
  56         public boolean exclude(File file, String content);
  57     }
  58 
  59     private static void log(final String msg) {
  60         org.testng.Reporter.log(msg, true);
  61     }
  62 
  63     private Context context;
  64     private Global  global;
  65 
  66     @BeforeClass
  67     public void setupTest() {
  68         final Options options = new Options("nashorn");
  69         options.set("anon.functions", true);
  70         options.set("compile.only", true);
  71         options.set("print.ast", true);
  72         options.set("print.parse", true);
  73         options.set("scripting", true);
  74         options.set("const.as.var", true);
  75         options.set("verify.code", true);
  76 
  77         final ErrorManager errors = new ErrorManager() {
  78             @Override
  79             public void error(final String msg) {
  80                 log(msg);
  81             }
  82         };
  83 
  84         final StringWriter sw = new StringWriter();
  85         final PrintWriter pw = new PrintWriter(sw);
  86         this.context = new Context(options, errors, pw, pw, Thread.currentThread().getContextClassLoader());
  87         this.global = context.createGlobal();
  88     }
  89 
  90     @AfterClass
  91     public void tearDownTest() {
  92         this.context = null;
  93         this.global = null;
  94     }
  95 
  96     @Test
  97     public void compileAllTests() {
  98         if (TEST262) {
  99             compileTestSet(new File(TEST262_SUITE_DIR), new TestFilter() {
 100                 @Override
 101                 public boolean exclude(final File file, final String content) {
 102                     return content != null && content.contains("@negative");
 103                 }
 104             });
 105         }
 106         compileTestSet(new File(TEST_BASIC_DIR), new TestFilter() {
 107             @Override
 108             public boolean exclude(final File file, final String content) {
 109                 return file.getName().equals("es6");
 110             }
 111         });
 112         compileTestSet(new File(TEST_NODE_DIR, "node"), null);
 113         compileTestSet(new File(TEST_NODE_DIR, "src"), null);
 114     }
 115 
 116     private void compileTestSet(final File testSetDir, final TestFilter filter) {
 117         passed = 0;
 118         failed = 0;
 119         skipped = 0;
 120         if (! testSetDir.isDirectory()) {
 121             log("WARNING: " + testSetDir + " not found or not a directory");
 122             return;
 123         }
 124         log(testSetDir.getAbsolutePath());
 125         compileJSDirectory(testSetDir, filter);
 126 
 127         log(testSetDir + " compile done!");
 128         log("compile ok: " + passed);
 129         log("compile failed: " + failed);
 130         log("compile skipped: " + skipped);
 131         if (failed != 0) {
 132             Assert.fail(failed + " tests failed to compile in " + testSetDir.getAbsolutePath());
 133         }
 134     }
 135 
 136     // number of scripts that compiled fine
 137     private int passed;
 138     // number of scripts resulting in compile failure
 139     private int failed;
 140     // scripts that were skipped - all tests with @negative are
 141     // skipped for now.
 142     private int skipped;
 143 
 144     private void compileJSDirectory(final File dir, final TestFilter filter) {
 145         if (filter != null && filter.exclude(dir, null)) {
 146             return;
 147         }
 148         for (final File f : dir.listFiles()) {
 149             if (f.isDirectory()) {
 150                 compileJSDirectory(f, filter);
 151             } else if (f.getName().endsWith(".js")) {
 152                 compileJSFile(f, filter);
 153             }
 154         }
 155     }
 156 
 157     private void compileJSFile(final File file, final TestFilter filter) {
 158         if (VERBOSE) {
 159             log("Begin compiling " + file.getAbsolutePath());
 160         }
 161 
 162         final Global oldGlobal = Context.getGlobal();
 163         final boolean globalChanged = (oldGlobal != global);
 164 
 165         try {
 166             final char[] buffer = readFully(file);
 167             boolean excluded = false;
 168 
 169             if (filter != null) {
 170                 final String content = new String(buffer);
 171                 excluded = filter.exclude(file, content);
 172             }
 173 
 174             if (excluded) {
 175                 if (VERBOSE) {
 176                     log("Skipping " + file.getAbsolutePath());
 177                 }
 178                 skipped++;
 179                 return;
 180             }
 181 
 182             if (globalChanged) {
 183                 Context.setGlobal(global);
 184             }
 185             final Source source = sourceFor(file.getAbsolutePath(), buffer);
 186             final ScriptFunction script = context.compileScript(source, global);
 187             if (script == null || context.getErrorManager().getNumberOfErrors() > 0) {
 188                 log("Compile failed: " + file.getAbsolutePath());
 189                 failed++;
 190             } else {
 191                 passed++;
 192             }
 193         } catch (final Throwable t) {
 194             log("Compile failed: " + file.getAbsolutePath() + " : " + t);
 195             if (VERBOSE) {
 196                 t.printStackTrace(System.out);
 197             }
 198             failed++;
 199         } finally {
 200             if (globalChanged) {
 201                 Context.setGlobal(oldGlobal);
 202             }
 203         }
 204 
 205         if (VERBOSE) {
 206             log("Done compiling " + file.getAbsolutePath());
 207         }
 208     }
 209 }