1 /* |
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package jdk.nashorn.api.tree; |
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26 |
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27 import java.io.File; |
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28 import java.io.IOException; |
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29 import java.nio.charset.Charset; |
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30 import java.nio.charset.StandardCharsets; |
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31 import java.nio.file.Files; |
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32 import org.testng.Assert; |
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33 import org.testng.annotations.Test; |
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34 |
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35 /** |
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36 * Test for nashorn Parser API (jdk.nashorn.api.tree.*) |
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37 */ |
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38 public class ParseAPITest { |
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39 |
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40 private static final boolean VERBOSE = Boolean.valueOf(System.getProperty("parserapitest.verbose")); |
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41 private static final boolean TEST262 = Boolean.valueOf(System.getProperty("parserapitest.test262")); |
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42 |
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43 private static final String TEST_BASIC_DIR = System.getProperty("test.basic.dir"); |
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44 private static final String TEST_MAPTESTS_DIR = System.getProperty("test.maptests.dir"); |
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45 private static final String TEST_SANDBOX_DIR = System.getProperty("test.sandbox.dir"); |
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46 private static final String TEST_TRUSTED_DIR = System.getProperty("test.trusted.dir"); |
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47 private static final String TEST262_SUITE_DIR = System.getProperty("test262.suite.dir"); |
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48 |
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49 interface TestFilter { |
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50 public boolean exclude(File file, String content); |
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51 } |
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52 |
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53 private void log(String msg) { |
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54 org.testng.Reporter.log(msg, true); |
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55 } |
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56 |
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57 private static final String[] options = new String[] { |
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58 "-scripting", "--const-as-var" |
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59 }; |
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60 |
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61 @Test |
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62 public void parseAllTests() { |
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63 if (TEST262) { |
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64 parseTestSet(TEST262_SUITE_DIR, new TestFilter() { |
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65 @Override |
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66 public boolean exclude(final File file, final String content) { |
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67 return content.indexOf("@negative") != -1; |
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68 } |
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69 }); |
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70 } |
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71 parseTestSet(TEST_BASIC_DIR, new TestFilter() { |
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72 @Override |
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73 public boolean exclude(final File file, final String content) { |
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74 return file.getParentFile().getName().equals("es6"); |
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75 } |
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76 }); |
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77 parseTestSet(TEST_MAPTESTS_DIR, null); |
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78 parseTestSet(TEST_SANDBOX_DIR, null); |
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79 parseTestSet(TEST_TRUSTED_DIR, null); |
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80 } |
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81 |
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82 private void parseTestSet(final String testSet, final TestFilter filter) { |
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83 passed = 0; |
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84 failed = 0; |
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85 skipped = 0; |
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86 |
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87 final File testSetDir = new File(testSet); |
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88 if (! testSetDir.isDirectory()) { |
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89 log("WARNING: " + testSetDir + " not found or not a directory"); |
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90 return; |
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91 } |
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92 log(testSetDir.getAbsolutePath()); |
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93 parseJSDirectory(testSetDir, filter); |
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94 |
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95 log(testSet + " parse API done!"); |
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96 log("parse API ok: " + passed); |
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97 log("parse API failed: " + failed); |
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98 log("parse API skipped: " + skipped); |
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99 if (failed != 0) { |
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100 Assert.fail(failed + " tests failed to parse in " + testSetDir.getAbsolutePath()); |
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101 } |
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102 } |
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103 |
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104 // number of scripts that parsed fine |
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105 private int passed; |
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106 // number of scripts resulting in parse failure |
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107 private int failed; |
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108 // scripts that were skipped - all tests with @negative are |
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109 // skipped for now. |
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110 private int skipped; |
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111 |
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112 private void parseJSDirectory(final File dir, final TestFilter filter) { |
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113 for (final File f : dir.listFiles()) { |
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114 if (f.isDirectory()) { |
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115 parseJSDirectory(f, filter); |
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116 } else if (f.getName().endsWith(".js")) { |
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117 parseJSFile(f, filter); |
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118 } |
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119 } |
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120 } |
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121 |
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122 private void parseJSFile(final File file, final TestFilter filter) { |
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123 if (VERBOSE) { |
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124 log("Begin parsing " + file.getAbsolutePath()); |
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125 } |
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126 |
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127 try { |
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128 final char[] buffer = readFully(file); |
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129 final String content = new String(buffer); |
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130 boolean excluded = false; |
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131 if (filter != null) { |
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132 excluded = filter.exclude(file, content); |
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133 } |
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134 |
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135 if (excluded) { |
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136 if (VERBOSE) { |
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137 log("Skipping " + file.getAbsolutePath()); |
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138 } |
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139 skipped++; |
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140 return; |
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141 } |
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142 |
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143 final Parser parser = Parser.create(options); |
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144 final Tree tree = parser.parse(file.getAbsolutePath(), content, null); |
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145 tree.accept(new SimpleTreeVisitorES5_1<Void, Void>(), null); |
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146 passed++; |
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147 } catch (final Throwable exp) { |
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148 log("Parse API failed: " + file.getAbsolutePath() + " : " + exp); |
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149 //if (VERBOSE) { |
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150 exp.printStackTrace(System.out); |
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151 //} |
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152 failed++; |
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153 } |
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154 |
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155 if (VERBOSE) { |
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156 log("Done parsing via parser API " + file.getAbsolutePath()); |
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157 } |
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158 } |
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159 |
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160 private static char[] byteToCharArray(final byte[] bytes) { |
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161 Charset cs = StandardCharsets.UTF_8; |
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162 int start = 0; |
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163 // BOM detection. |
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164 if (bytes.length > 1 && bytes[0] == (byte) 0xFE && bytes[1] == (byte) 0xFF) { |
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165 start = 2; |
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166 cs = StandardCharsets.UTF_16BE; |
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167 } else if (bytes.length > 1 && bytes[0] == (byte) 0xFF && bytes[1] == (byte) 0xFE) { |
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168 start = 2; |
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169 cs = StandardCharsets.UTF_16LE; |
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170 } else if (bytes.length > 2 && bytes[0] == (byte) 0xEF && bytes[1] == (byte) 0xBB && bytes[2] == (byte) 0xBF) { |
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171 start = 3; |
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172 cs = StandardCharsets.UTF_8; |
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173 } else if (bytes.length > 3 && bytes[0] == (byte) 0xFF && bytes[1] == (byte) 0xFE && bytes[2] == 0 && bytes[3] == 0) { |
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174 start = 4; |
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175 cs = Charset.forName("UTF-32LE"); |
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176 } else if (bytes.length > 3 && bytes[0] == 0 && bytes[1] == 0 && bytes[2] == (byte) 0xFE && bytes[3] == (byte) 0xFF) { |
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177 start = 4; |
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178 cs = Charset.forName("UTF-32BE"); |
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179 } |
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180 |
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181 return new String(bytes, start, bytes.length - start, cs).toCharArray(); |
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182 } |
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183 |
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184 private static char[] readFully(final File file) throws IOException { |
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185 final byte[] buf = Files.readAllBytes(file.toPath()); |
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186 return byteToCharArray(buf); |
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187 } |
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188 } |
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