Enable language and isolate tests using the dart test runner.

tools/testing/dart/test_suite.dart

+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#library("test_suite");
+
+#import("status_file_parser.dart");
+#import("test_runner.dart");
+
+interface TestSuite {
+  void forEachTest(Function onTest, [Function onDone]);
+}
+
+
+class StandardTestSuite implements TestSuite {
+  Map configuration;
+  String directoryPath;
+  List<String> statusFilePaths;
+  Function doTest;
+  Function doDone;
+  String shellPath;
+  TestExpectations testExpectations;
+
+  StandardTestSuite(Map this.configuration,
+                    String this.directoryPath,
+                    List<String> this.statusFilePaths) {
+    shellPath = getDartShellFileName(configuration) ;
+  }
+
+
+  void isTestFile(String filename) => filename.endsWith("Test.dart");
+
+  void listRecursively() => false;
+
+  void complexStatusMatching() => false;
+
+  void forEachTest(Function onTest, [Function onDone = null]) {
+    doTest = onTest;
+    doDone = (ignore) => (onDone != null) ? onDone() : null;
+
+    // Read test expectations from status files.
+    testExpectations =
+        new TestExpectations(complexMatching: complexStatusMatching());
+    for (var statusFilePath in statusFilePaths) {
+      ReadTestExpectationsInto(testExpectations,
+                               statusFilePath,
+                               configuration);
+    }
+
+    processDirectory();
+  }
+
+  void processDirectory() {
+    directoryPath = getDirname(directoryPath);
+    Directory dir = new Directory(directoryPath);
+    dir.errorHandler = (s) {
+      throw s;
+    };
+    dir.fileHandler = processFile;
+    dir.doneHandler = doDone;
+    dir.list(recursive: listRecursively());
+  }
+
+  void processFile(String filename) {
+    if (!isTestFile(filename)) return;
+
+    // If patterns are given only list the files that match one of the
+    // patterns.
+    var patterns = configuration['patterns'];
+    if (!patterns.isEmpty() &&
+        !patterns.some((re) => re.hasMatch(filename))) {
+      return;
+    }
+
+    int start = filename.lastIndexOf('src' + new Platform().pathSeparator());
+    String testName = filename.substring(start + 4, filename.length - 5);
+    Set<String> expectations = testExpectations.expectations(testName);
+
+    if (expectations.contains(SKIP)) return;
+
+    var optionsFromFile = optionsFromFile(filename);
+    var argumentLists = argumentLists(filename, optionsFromFile);
+    for (var args in argumentLists) {
+      var timeout = configuration['timeout'];
+      var isNegative = optionsFromFile['isNegative'];
+      doTest(new TestCase(testName,
+                          shellPath,
+                          args,
+                          timeout,
+                          completeHandler,
+                          expectations,
+                          isNegative));
+    }
+  }
+
+  void completeHandler(TestCase testCase) {
+  }
+
+  List<List<String>> argumentLists(String filename, Map optionsFromFile) {
+    List args = ["--ignore-unrecognized-flags"];
+    if (configuration["checked"]) {
+      args.add("--enable_type_checks");
+    }
+    if (configuration["component"] == "leg") {
+      args.add("--enable_leg");
+    }
+    if (configuration["component"] == "dartc") {
+      if (configuration["mode"] == "release") {
+        args.add("--optimize");
+      }
+    }
+
+    List<String> dartOptions = optionsFromFile["dartOptions"];
+    args.addAll(dartOptions == null ? [filename] : dartOptions);
+
+    var result = new List<List<String>>();
+    List<List<String>> vmOptionsList = optionsFromFile["vmOptions"];
+    if (vmOptionsList.isEmpty()) {
+      result.add(args);
+    } else {
+      for (var vmOptions in vmOptionsList) {
+        vmOptions.addAll(args);
+        result.add(vmOptions);
+      }
+    }
+
+    return result;
+  }
+
+  Map optionsFromFile(String filename) {
+    RegExp testOptionsRegExp = const RegExp(@"// VMOptions=(.*)");
+    RegExp dartOptionsRegExp = const RegExp(@"// DartOptions=(.*)");
+
+    // Read the entire file into a byte buffer and transform it to a
+    // String. This will treat the file as ascii but the only parts
+    // we are interested in will be ascii in any case.
+    File file = new File(filename);
+    file.openSync();
+    List chars = new List(file.lengthSync());
+    var offset = 0;
+    while (offset != chars.length) {
+      offset += file.readListSync(chars, offset, chars.length - offset);
+    }
+    file.closeSync();
+    String contents = new String.fromCharCodes(chars);
+    chars = null;
+
+    // Find the options in the file.
+    List<List> result = new List<List>();
+    List<String> dartOptions;
+    bool isNegative = false;
+
+    Iterable<Match> matches = testOptionsRegExp.allMatches(contents);
+    for (var match in matches) {
+      result.add(match[1].split(' ').filter((e) => e != ''));
+    }
+
+    matches = dartOptionsRegExp.allMatches(contents);
+    for (var match in matches) {
+      if (dartOptions != null) {
+        throw new Exception(
+            'More than one "// DartOptions=" line in test $filename');
+      }
+      dartOptions = match[1].split(' ').filter((e) => e != '');
+    }
+
+    if (contents.contains("@compile-error") ||
+        contents.contains("@runtime-error")) {
+      isNegative = true;
+    } else if (contents.contains("@dynamic-type-error") &&
+               configuration['checked']) {
+      isNegative = true;
+    }
+
+    return { "vmOptions": result,
+             "dartOptions": dartOptions,
+             "isNegative" : isNegative };
+  }
+}