Migrated test block 27 to Dart 2.0.

tests/corelib_strong/stopwatch_test.dart

Index: tests/corelib_strong/stopwatch_test.dart
diff --git a/tests/corelib_strong/stopwatch_test.dart b/tests/corelib_strong/stopwatch_test.dart
deleted file mode 100644
index e6b8a97982120223a83823a909316e7c4e995918..0000000000000000000000000000000000000000
--- a/tests/corelib_strong/stopwatch_test.dart
+++ /dev/null
@@ -1,128 +0,0 @@
-// Copyright (c) 2012, 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.
-
-// Dart test program for testing stopwatch support.
-
-library stopwatch_test;
-
-import "package:expect/expect.dart";
-
-class StopwatchTest {
-  static bool checkTicking(Stopwatch sw) {
-    Expect.isFalse(sw.isRunning);
-    sw.start();
-    Expect.isTrue(sw.isRunning);
-    for (int i = 0; i < 1000000; i++) {
-      int.parse(i.toString());
-      if (sw.elapsedTicks > 0) {
-        break;
-      }
-    }
-    return sw.elapsedTicks > 0;
-  }
-
-  static bool checkStopping(Stopwatch sw) {
-    sw.stop();
-    Expect.isFalse(sw.isRunning);
-    int v1 = sw.elapsedTicks;
-    Expect.isTrue(v1 > 0); // Expect a non-zero elapsed time.
-    Stopwatch sw2 = new Stopwatch(); // Used for verification.
-    sw2.start();
-    Expect.isTrue(sw2.isRunning);
-    int sw2LastElapsed = 0;
-    for (int i = 0; i < 100000; i++) {
-      int.parse(i.toString());
-      int v2 = sw.elapsedTicks;
-      if (v1 != v2) {
-        return false;
-      }
-      // If sw2 elapsed twice then sw must have advanced too if it wasn't
-      // stopped.
-      if (sw2LastElapsed > 0 && sw2.elapsedTicks > sw2LastElapsed) {
-        break;
-      }
-      sw2LastElapsed = sw2.elapsedTicks;
-    }
-    // The test only makes sense if measureable time elapsed and elapsed time
-    // on the stopped Stopwatch did not increase.
-    Expect.isTrue(sw2.elapsedTicks > 0);
-    return true;
-  }
-
-  static checkRestart() {
-    Stopwatch sw = new Stopwatch();
-    Expect.isFalse(sw.isRunning);
-    sw.start();
-    Expect.isTrue(sw.isRunning);
-    for (int i = 0; i < 100000; i++) {
-      int.parse(i.toString());
-      if (sw.elapsedTicks > 0) {
-        break;
-      }
-    }
-    sw.stop();
-    Expect.isFalse(sw.isRunning);
-    int initial = sw.elapsedTicks;
-    sw.start();
-    Expect.isTrue(sw.isRunning);
-    for (int i = 0; i < 100000; i++) {
-      int.parse(i.toString());
-      if (sw.elapsedTicks > initial) {
-        break;
-      }
-    }
-    sw.stop();
-    Expect.isFalse(sw.isRunning);
-    Expect.isTrue(sw.elapsedTicks > initial);
-  }
-
-  static checkReset() {
-    Stopwatch sw = new Stopwatch();
-    Expect.isFalse(sw.isRunning);
-    sw.start();
-    Expect.isTrue(sw.isRunning);
-    for (int i = 0; i < 100000; i++) {
-      int.parse(i.toString());
-      if (sw.elapsedTicks > 0) {
-        break;
-      }
-    }
-    sw.stop();
-    Expect.isFalse(sw.isRunning);
-    sw.reset();
-    Expect.isFalse(sw.isRunning);
-    Expect.equals(0, sw.elapsedTicks);
-    sw.start();
-    Expect.isTrue(sw.isRunning);
-    for (int i = 0; i < 100000; i++) {
-      int.parse(i.toString());
-      if (sw.elapsedTicks > 0) {
-        break;
-      }
-    }
-    sw.reset();
-    Expect.isTrue(sw.isRunning);
-    for (int i = 0; i < 100000; i++) {
-      int.parse(i.toString());
-      if (sw.elapsedTicks > 0) {
-        break;
-      }
-    }
-    sw.stop();
-    Expect.isFalse(sw.isRunning);
-    Expect.isTrue(sw.elapsedTicks > 0);
-  }
-
-  static testMain() {
-    Stopwatch sw = new Stopwatch();
-    Expect.isTrue(checkTicking(sw));
-    Expect.isTrue(checkStopping(sw));
-    checkRestart();
-    checkReset();
-  }
-}
-
-main() {
-  StopwatchTest.testMain();
-}