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.parser;
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 jdk.nashorn.internal.runtime.Context;
32 import jdk.nashorn.internal.runtime.ErrorManager;
33 import jdk.nashorn.internal.runtime.Source;
34 import jdk.nashorn.internal.runtime.options.Options;
35 import org.testng.Assert;
36 import org.testng.annotations.AfterClass;
37 import org.testng.annotations.BeforeClass;
38 import org.testng.annotations.Test;
39
40 /**
41 * Run tests to check Nashorn's parser.
42 */
43 @SuppressWarnings("javadoc")
44 public class ParserTest {
45 private static final boolean VERBOSE = Boolean.valueOf(System.getProperty("parsertest.verbose"));
46 private static final boolean TEST262 = Boolean.valueOf(System.getProperty("parsertest.test262"));
47
48 private static final String TEST_BASIC_DIR = System.getProperty("test.basic.dir");
49 private static final String TEST262_SUITE_DIR = System.getProperty("test262.suite.dir");
50
51
52 interface TestFilter {
53 public boolean exclude(File file, String content);
54 }
55
56 private static void log(final String msg) {
57 org.testng.Reporter.log(msg, true);
58 }
59
60 private Context context;
61
62 @BeforeClass
63 public void setupTest() {
64 final Options options = new Options("nashorn");
65 options.set("parse.only", true);
66 options.set("scripting", true);
67 options.set("const.as.var", true);
68
69 final ErrorManager errors = new ErrorManager();
70 this.context = new Context(options, errors, Thread.currentThread().getContextClassLoader());
71 }
72
73 @AfterClass
74 public void tearDownTest() {
75 this.context = null;
76 }
77
78 @Test
79 public void parseAllTests() {
80 if (TEST262) {
81 parseTestSet(TEST262_SUITE_DIR, new TestFilter() {
82 @Override
83 public boolean exclude(final File file, final String content) {
84 return content != null && content.contains("@negative");
85 }
86 });
87 }
88 parseTestSet(TEST_BASIC_DIR, new TestFilter() {
89 @Override
90 public boolean exclude(final File file, final String content) {
91 return file.getName().equals("es6");
92 }
93 });
94 }
95
96 private void parseTestSet(final String testSet, final TestFilter filter) {
97 passed = 0;
98 failed = 0;
99 skipped = 0;
100
101 final File testSetDir = new File(testSet);
102 if (! testSetDir.isDirectory()) {
103 log("WARNING: " + testSetDir + " not found or not a directory");
104 return;
105 }
106 log(testSetDir.getAbsolutePath());
107 parseJSDirectory(testSetDir, filter);
108
109 log(testSet + " parse done!");
110 log("parse ok: " + passed);
111 log("parse failed: " + failed);
112 log("parse skipped: " + skipped);
113 if (failed != 0) {
114 Assert.fail(failed + " tests failed to compile in " + testSetDir.getAbsolutePath());
115 }
116 }
117
118 // number of scripts that parsed fine
119 private int passed;
120 // number of scripts resulting in parse failure
121 private int failed;
122 // scripts that were skipped - all tests with @negative are
123 // skipped for now.
124 private int skipped;
125
126 private void parseJSDirectory(final File dir, final TestFilter filter) {
127 if (filter != null && filter.exclude(dir, null)) {
128 return;
129 }
130 for (final File f : dir.listFiles()) {
131 if (f.isDirectory()) {
132 parseJSDirectory(f, filter);
133 } else if (f.getName().endsWith(".js")) {
134 parseJSFile(f, filter);
135 }
136 }
137 }
138
139 private void parseJSFile(final File file, final TestFilter filter) {
140 if (VERBOSE) {
141 log("Begin parsing " + file.getAbsolutePath());
142 }
143
144 try {
145 final char[] buffer = readFully(file);
146 boolean excluded = false;
147 if (filter != null) {
148 final String content = new String(buffer);
149 excluded = filter.exclude(file, content);
150 }
151
152 if (excluded) {
153 if (VERBOSE) {
154 log("Skipping " + file.getAbsolutePath());
155 }
156 skipped++;
157 return;
158 }
159
160 final ErrorManager errors = new ErrorManager() {
161 @Override
162 public void error(final String msg) {
163 log(msg);
164 }
165 };
166 errors.setLimit(0);
167 final Source source = sourceFor(file.getAbsolutePath(), buffer);
168 new Parser(context.getEnv(), source, errors, context.getEnv()._strict, null).parse();
169 if (errors.getNumberOfErrors() > 0) {
170 log("Parse failed: " + file.getAbsolutePath());
171 failed++;
172 } else {
173 passed++;
174 }
175 } catch (final Throwable exp) {
176 exp.printStackTrace();
177 log("Parse failed: " + file.getAbsolutePath() + " : " + exp);
178 if (VERBOSE) {
179 exp.printStackTrace(System.out);
180 }
181 failed++;
182 }
183
184 if (VERBOSE) {
185 log("Done parsing " + file.getAbsolutePath());
186 }
187 }
188 }