Enable Dartium tests in tools/test.dart.

tools/testing/dart/test_runner.dart

Index: tools/testing/dart/test_runner.dart
diff --git a/tools/testing/dart/test_runner.dart b/tools/testing/dart/test_runner.dart
index 8998e9510e9c0bfdaaa6eab36a1e975621292f40..b4c2c2f8c5d262f8df0a53419fb25bfb15cb4e39 100644
--- a/tools/testing/dart/test_runner.dart
+++ b/tools/testing/dart/test_runner.dart
@@ -80,6 +80,33 @@ class TestCase {
 }
 
 
+/**
+ * BrowserTestCase has an extra compilation command that is run by
+ * RunningProcess.start(), and it checks conditions on the test output
+ * in TestOutput.didFail().
+ */
+class BrowserTestCase extends TestCase {
+  String compilerPath;
+  List<String> compilerArguments;
+
+  BrowserTestCase(displayName,
+                    this.compilerPath,
+                    this.compilerArguments,
+                    executablePath,
+                    arguments,
+                    configuration,
+                    completedHandler,
+                    expectedOutcomes,
+                    [isNegative = false]) : super(displayName,
+                                                  executablePath,
+                                                  arguments,
+                                                  configuration,
+                                                  completedHandler,
+                                                  expectedOutcomes,
+                                                  isNegative);
+}
+
+
 class TestOutput {
   // The TestCase this is the output from.
   TestCase testCase;
@@ -100,7 +127,7 @@ class TestOutput {
 
   bool get unexpectedOutput() => !testCase.expectedOutcomes.contains(result);
 
-  // The Java dartc runner exits with code 253 in case of unhandles
+  // The Java dartc runner exits with code 253 in case of unhandled
   // exceptions.
   // The VM uses std::abort to terminate on asserts.
   // std::abort terminates with exit code 3 on Windows.
@@ -121,7 +148,21 @@ class TestOutput {
 
   bool get hasTimedOut() => timedOut;
 
-  bool get didFail() => exitCode != 0 && !hasCrashed;
+  bool get didFail() {
+    if (exitCode != 0 && !hasCrashed) return true;
+
+    // Browser tests fail unless stdout contains
+    // 'Content-Type: text/plain\nPASS'.
+    if (testCase is !BrowserTestCase) return false;
+    String previous_line = '';
+    for (String line in stdout) {
+      if (line == 'PASS' && previous_line == 'Content-Type: text/plain') {
+        return false;
+      }
+      previous_line = line;
+    }
+    return true;
+  }
 
   // Reverse result of a negative test.
   bool get hasFailed() => (testCase.isNegative ? !didFail : didFail);
@@ -148,6 +189,14 @@ class RunningProcess {
     testCase.completed();
   }
 
+  void compilerExitHandler(int exitCode) {
+    if (exitCode != 0) {
+      exitHandler(exitCode);
+    } else {
+      runCommand(testCase.executablePath, testCase.arguments, exitHandler);
+    }
+  }
+      
   void makeReadHandler(StringInputStream source, List<String> destination) {
     return () {
       if (source.closed) return;  // TODO(whesse): Remove when bug is fixed.
@@ -161,15 +210,26 @@ class RunningProcess {
 
   void start() {
     Expect.isFalse(testCase.expectedOutcomes.contains(SKIP));
-    process = new Process(testCase.executablePath, testCase.arguments);
+    stdout = new List<String>();
+    stderr = new List<String>();
+    if (testCase is BrowserTestCase) {
+      runCommand(testCase.compilerPath,
+                 testCase.compilerArguments,
+                 compilerExitHandler);
+    } else {
+      runCommand(testCase.executablePath, testCase.arguments, exitHandler);
+    }
+  }
+
+  void runCommand(String executable,
+                  List<String> arguments,
+                  void exitHandler(int exitCode)) {
+    process = new Process(executable, arguments);
     process.exitHandler = exitHandler;
     startTime = new Date.now();
     process.start();
-
     InputStream stdoutStream = process.stdout;
     InputStream stderrStream = process.stderr;
-    stdout = new List<String>();
-    stderr = new List<String>();
     StringInputStream stdoutStringStream = new StringInputStream(stdoutStream);
     StringInputStream stderrStringStream = new StringInputStream(stderrStream);
     stdoutStringStream.dataHandler =