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/*
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* Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.nashorn.internal.test.framework;
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import static jdk.nashorn.internal.test.framework.TestConfig.OPTIONS_CHECK_COMPILE_MSG;
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import static jdk.nashorn.internal.test.framework.TestConfig.OPTIONS_COMPARE;
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import static jdk.nashorn.internal.test.framework.TestConfig.OPTIONS_EXPECT_COMPILE_FAIL;
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import static jdk.nashorn.internal.test.framework.TestConfig.OPTIONS_EXPECT_RUN_FAIL;
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import static jdk.nashorn.internal.test.framework.TestConfig.OPTIONS_IGNORE_STD_ERROR;
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import static jdk.nashorn.internal.test.framework.TestConfig.OPTIONS_RUN;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_ENABLE_STRICT_MODE;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_EXCLUDES_FILE;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_EXCLUDE_DIR;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_EXCLUDE_LIST;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_FRAMEWORK;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_INCLUDES;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_LIST;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_ROOTS;
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import static jdk.nashorn.internal.test.framework.TestConfig.TEST_JS_UNCHECKED_DIR;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.FileSystem;
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import java.nio.file.FileSystems;
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import java.nio.file.FileVisitOption;
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import java.nio.file.FileVisitResult;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.SimpleFileVisitor;
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import java.nio.file.attribute.BasicFileAttributes;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.EnumSet;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Scanner;
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import java.util.Set;
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import javax.xml.xpath.XPath;
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import javax.xml.xpath.XPathConstants;
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import javax.xml.xpath.XPathExpressionException;
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import javax.xml.xpath.XPathFactory;
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import org.w3c.dom.NodeList;
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import org.xml.sax.InputSource;
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/**
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* Utility class to find/parse script test files and to create 'test' instances.
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* Actual 'test' object type is decided by clients of this class.
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*/
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final class TestFinder {
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private TestFinder() {}
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interface TestFactory<T> {
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// 'test' instance type is decided by the client.
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T createTest(final String framework, final File testFile, final List<String> engineOptions, final Map<String, String> testOptions, final List<String> arguments);
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// place to log messages from TestFinder
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void log(String mg);
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}
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// finds all tests from configuration and calls TestFactory to create 'test' instance for each script test found
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static <T> void findAllTests(final List<T> tests, final Set<String> orphans, final TestFactory<T> testFactory) throws Exception {
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final String framework = System.getProperty(TEST_JS_FRAMEWORK);
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final String testList = System.getProperty(TEST_JS_LIST);
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if (testList == null || testList.length() == 0) {
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// Run the tests under the test roots dir, selected by the
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// TEST_JS_INCLUDES patterns
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final String testRootsString = System.getProperty(TEST_JS_ROOTS, "test/script");
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if (testRootsString == null || testRootsString.length() == 0) {
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throw new Exception("Error: " + TEST_JS_ROOTS + " must be set");
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}
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final String testRoots[] = testRootsString.split(" ");
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final FileSystem fileSystem = FileSystems.getDefault();
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final Set<String> testExcludeSet = getExcludeSet();
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final Path[] excludePaths = getExcludeDirs();
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for (final String root : testRoots) {
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final Path dir = fileSystem.getPath(root);
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findTests(framework, dir, tests, orphans, excludePaths, testExcludeSet, testFactory);
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}
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} else {
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// TEST_JS_LIST contains a blank speparated list of test file names.
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final String strArray[] = testList.split(" ");
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for (final String ss : strArray) {
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handleOneTest(framework, new File(ss).toPath(), tests, orphans, testFactory);
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}
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}
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}
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private static boolean inExcludePath(final Path file, final Path[] excludePaths) {
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if (excludePaths == null) {
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return false;
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}
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for (final Path excludePath : excludePaths) {
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if (file.startsWith(excludePath)) {
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return true;
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}
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}
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return false;
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}
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private static <T> void findTests(final String framework, final Path dir, final List<T> tests, final Set<String> orphanFiles, final Path[] excludePaths, final Set<String> excludedTests, final TestFactory<T> factory) throws Exception {
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final String pattern = System.getProperty(TEST_JS_INCLUDES);
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final String extension = pattern == null ? "js" : pattern;
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final Exception[] exceptions = new Exception[1];
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final List<String> excludedActualTests = new ArrayList<>();
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if (! dir.toFile().isDirectory()) {
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factory.log("WARNING: " + dir + " not found or not a directory");
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}
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Files.walkFileTree(dir, EnumSet.of(FileVisitOption.FOLLOW_LINKS), Integer.MAX_VALUE, new SimpleFileVisitor<Path>() {
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@Override
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public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
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final String fileName = file.getName(file.getNameCount() - 1).toString();
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if (fileName.endsWith(extension)) {
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final String namex = file.toString().replace('\\', '/');
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if (!inExcludePath(file, excludePaths) && !excludedTests.contains(file.getFileName().toString())) {
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try {
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handleOneTest(framework, file, tests, orphanFiles, factory);
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} catch (final Exception ex) {
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exceptions[0] = ex;
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return FileVisitResult.TERMINATE;
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}
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} else {
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excludedActualTests.add(namex);
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}
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}
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return FileVisitResult.CONTINUE;
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}
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});
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Collections.sort(excludedActualTests);
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for (final String excluded : excludedActualTests) {
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factory.log("Excluding " + excluded);
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}
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if (exceptions[0] != null) {
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throw exceptions[0];
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}
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}
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private static final String uncheckedDirs[] = System.getProperty(TEST_JS_UNCHECKED_DIR, "test/script/external/test262/").split(" ");
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private static boolean isUnchecked(final Path testFile) {
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for (final String uncheckedDir : uncheckedDirs) {
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if (testFile.startsWith(uncheckedDir)) {
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return true;
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}
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}
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return false;
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}
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private static <T> void handleOneTest(final String framework, final Path testFile, final List<T> tests, final Set<String> orphans, TestFactory<T> factory) throws Exception {
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final String name = testFile.getFileName().toString();
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assert name.lastIndexOf(".js") > 0 : "not a JavaScript: " + name;
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// defaults: testFile is a test and should be run
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boolean isTest = isUnchecked(testFile);
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boolean isNotTest = false;
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boolean shouldRun = true;
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boolean compileFailure = false;
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boolean runFailure = false;
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boolean checkCompilerMsg = false;
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boolean noCompare = false;
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boolean ignoreStdError = false;
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final List<String> engineOptions = new ArrayList<>();
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final List<String> scriptArguments = new ArrayList<>();
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boolean inComment = false;
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try (Scanner scanner = new Scanner(testFile)) {
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while (scanner.hasNext()) {
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// TODO: Scan for /ref=file qualifiers, etc, to determine run
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// behavior
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String token = scanner.next();
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if (token.startsWith("/*")) {
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inComment = true;
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} else if (token.endsWith(("*/"))) {
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inComment = false;
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} else if (!inComment) {
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continue;
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}
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// remove whitespace and trailing semicolons, if any
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// (trailing semicolons are found in some sputnik tests)
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token = token.trim();
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final int semicolon = token.indexOf(';');
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if (semicolon > 0) {
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token = token.substring(0, semicolon);
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}
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switch (token) {
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case "@test":
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isTest = true;
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break;
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case "@test/fail":
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isTest = true;
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compileFailure = true;
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break;
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case "@test/compile-error":
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isTest = true;
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compileFailure = true;
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checkCompilerMsg = true;
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shouldRun = false;
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break;
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case "@test/warning":
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isTest = true;
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checkCompilerMsg = true;
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break;
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case "@test/nocompare":
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isTest = true;
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noCompare = true;
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break;
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case "@subtest":
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isTest = false;
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isNotTest = true;
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break;
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case "@runif":
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if (System.getProperty(scanner.next()) != null) {
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shouldRun = true;
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} else {
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isTest = false;
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isNotTest = true;
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}
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break;
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case "@run":
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shouldRun = true;
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break;
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case "@run/fail":
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shouldRun = true;
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runFailure = true;
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break;
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case "@run/ignore-std-error":
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shouldRun = true;
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ignoreStdError = true;
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break;
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case "@argument":
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scriptArguments.add(scanner.next());
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break;
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case "@option":
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engineOptions.add(scanner.next());
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break;
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}
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// negative tests are expected to fail at runtime only
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// for those tests that are expected to fail at compile time,
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// add @test/compile-error
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if (token.equals("@negative") || token.equals("@strict_mode_negative")) {
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shouldRun = true;
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runFailure = true;
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}
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if (token.equals("@strict_mode") || token.equals("@strict_mode_negative") || token.equals("@onlyStrict") || token.equals("@noStrict")) {
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if (!strictModeEnabled()) {
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return;
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}
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}
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}
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} catch (final Exception ignored) {
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return;
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}
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if (isTest) {
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final Map<String, String> testOptions = new HashMap<>();
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if (compileFailure) {
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testOptions.put(OPTIONS_EXPECT_COMPILE_FAIL, "true");
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}
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if (shouldRun) {
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testOptions.put(OPTIONS_RUN, "true");
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}
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if (runFailure) {
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testOptions.put(OPTIONS_EXPECT_RUN_FAIL, "true");
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}
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if (checkCompilerMsg) {
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testOptions.put(OPTIONS_CHECK_COMPILE_MSG, "true");
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}
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if (!noCompare) {
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testOptions.put(OPTIONS_COMPARE, "true");
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}
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if (ignoreStdError) {
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testOptions.put(OPTIONS_IGNORE_STD_ERROR, "true");
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}
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tests.add(factory.createTest(framework, testFile.toFile(), engineOptions, testOptions, scriptArguments));
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} else if (!isNotTest) {
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orphans.add(name);
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}
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}
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private static boolean strictModeEnabled() {
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return Boolean.getBoolean(TEST_JS_ENABLE_STRICT_MODE);
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}
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private static Set<String> getExcludeSet() throws XPathExpressionException {
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final String testExcludeList = System.getProperty(TEST_JS_EXCLUDE_LIST);
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String[] testExcludeArray = {};
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if (testExcludeList != null) {
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testExcludeArray = testExcludeList.split(" ");
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}
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final Set<String> testExcludeSet = new HashSet<>(testExcludeArray.length);
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for (final String test : testExcludeArray) {
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testExcludeSet.add(test);
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}
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final String testExcludesFile = System.getProperty(TEST_JS_EXCLUDES_FILE);
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if (testExcludesFile != null && !testExcludesFile.isEmpty()) {
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try {
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loadExcludesFile(testExcludesFile, testExcludeSet);
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} catch (final XPathExpressionException e) {
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System.err.println("Error: unable to load test excludes from " + testExcludesFile);
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e.printStackTrace();
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throw e;
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}
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}
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return testExcludeSet;
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}
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private static void loadExcludesFile(final String testExcludesFile, final Set<String> testExcludeSet) throws XPathExpressionException {
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final XPath xpath = XPathFactory.newInstance().newXPath();
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final NodeList testIds = (NodeList)xpath.evaluate("/excludeList/test/@id", new InputSource(testExcludesFile), XPathConstants.NODESET);
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for (int i = testIds.getLength() - 1; i >= 0; i--) {
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testExcludeSet.add(testIds.item(i).getNodeValue());
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}
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}
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private static Path[] getExcludeDirs() {
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final String excludeDirs[] = System.getProperty(TEST_JS_EXCLUDE_DIR, "test/script/currently-failing").split(" ");
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final Path[] excludePaths = new Path[excludeDirs.length];
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final FileSystem fileSystem = FileSystems.getDefault();
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int i = 0;
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for (final String excludeDir : excludeDirs) {
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excludePaths[i++] = fileSystem.getPath(excludeDir);
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}
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return excludePaths;
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}
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}
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