Migrated test block 168 to Dart 2.0.

tests/lib_strong/async/future_timeout_test.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 future_timeout_test;
-
-import 'dart:async';
-import 'package:unittest/unittest.dart';
-
-main() {
-  test("timeoutNoComplete", () {
-    Completer completer = new Completer();
-    Future timedOut = completer.future
-        .timeout(const Duration(milliseconds: 5), onTimeout: () => 42);
-    timedOut.then(expectAsync((v) {
-      expect(v, 42);
-    }));
-  });
-
-  test("timeoutCompleteAfterTimeout", () {
-    Completer completer = new Completer();
-    Future timedOut = completer.future
-        .timeout(const Duration(milliseconds: 5), onTimeout: () => 42);
-    Timer timer = new Timer(const Duration(seconds: 1), () {
-      completer.complete(-1);
-    });
-    timedOut.then(expectAsync((v) {
-      expect(v, 42);
-    }));
-  });
-
-  test("timeoutCompleteBeforeTimeout", () {
-    Completer completer = new Completer();
-    Timer timer = new Timer(const Duration(milliseconds: 5), () {
-      completer.complete(42);
-    });
-    Future timedOut = completer.future
-        .timeout(const Duration(seconds: 1), onTimeout: () => -1);
-    timedOut.then(expectAsync((v) {
-      expect(v, 42);
-    }));
-  });
-
-  test("timeoutCompleteBeforeCreate", () {
-    Completer completer = new Completer.sync();
-    completer.complete(42);
-    Future timedOut = completer.future
-        .timeout(const Duration(milliseconds: 5), onTimeout: () => -1);
-    timedOut.then(expectAsync((v) {
-      expect(v, 42);
-    }));
-  });
-
-  test("timeoutThrows", () {
-    Completer completer = new Completer();
-    Future timedOut = completer.future.timeout(const Duration(milliseconds: 5),
-        onTimeout: () {
-      throw "EXN1";
-    });
-    timedOut.catchError(expectAsync((e, s) {
-      expect(e, "EXN1");
-    }));
-  });
-
-  test("timeoutThrowAfterTimeout", () {
-    Completer completer = new Completer();
-    Future timedOut = completer.future
-        .timeout(const Duration(milliseconds: 5), onTimeout: () => 42);
-    Timer timer = new Timer(const Duration(seconds: 1), () {
-      completer.completeError("EXN2");
-    });
-    timedOut.then(expectAsync((v) {
-      expect(v, 42);
-    }));
-  });
-
-  test("timeoutThrowBeforeTimeout", () {
-    Completer completer = new Completer();
-    Timer timer = new Timer(const Duration(milliseconds: 5), () {
-      completer.completeError("EXN3");
-    });
-    Future timedOut = completer.future
-        .timeout(const Duration(seconds: 1), onTimeout: () => -1);
-    timedOut.catchError(expectAsync((e, s) {
-      expect(e, "EXN3");
-    }));
-  });
-
-  test("timeoutThrowBeforeCreate", () {
-    // Prevent uncaught error when we create the error.
-    Completer completer = new Completer.sync()..future.catchError((e) {});
-    completer.completeError("EXN4");
-    Future timedOut = completer.future
-        .timeout(const Duration(milliseconds: 5), onTimeout: () => -1);
-    timedOut.catchError(expectAsync((e, s) {
-      expect(e, "EXN4");
-    }));
-  });
-
-  test("timeoutReturnFutureValue", () {
-    Future result = new Future.value(42);
-    Completer completer = new Completer();
-    Future timedOut = completer.future
-        .timeout(const Duration(milliseconds: 5), onTimeout: () => result);
-    timedOut.then(expectAsync((v) {
-      expect(v, 42);
-    }));
-  });
-
-  test("timeoutReturnFutureError", () {
-    Future result = new Future.error("EXN5")..catchError((e) {});
-    Completer completer = new Completer();
-    Future timedOut = completer.future
-        .timeout(const Duration(milliseconds: 5), onTimeout: () => result);
-    timedOut.catchError(expectAsync((e, s) {
-      expect(e, "EXN5");
-    }));
-  });
-
-  test("timeoutReturnFutureValueLater", () {
-    Completer result = new Completer();
-    Completer completer = new Completer();
-    Future timedOut = completer.future.timeout(const Duration(milliseconds: 5),
-        onTimeout: () {
-      result.complete(42);
-      return result.future;
-    });
-    timedOut.then(expectAsync((v) {
-      expect(v, 42);
-    }));
-  });
-
-  test("timeoutReturnFutureErrorLater", () {
-    Completer result = new Completer();
-    Completer completer = new Completer();
-    Future timedOut = completer.future.timeout(const Duration(milliseconds: 5),
-        onTimeout: () {
-      result.completeError("EXN6");
-      return result.future;
-    });
-    timedOut.catchError(expectAsync((e, s) {
-      expect(e, "EXN6");
-    }));
-  });
-
-  test("timeoutZone", () {
-    var initialZone = Zone.current;
-    Zone forked;
-    int registerCallDelta = 0;
-    bool callbackCalled = false;
-    Function callback = () {
-      expect(callbackCalled, false);
-      callbackCalled = true;
-      expect(Zone.current, forked);
-      return 42;
-    };
-    forked = Zone.current.fork(specification: new ZoneSpecification(
-        registerCallback: (Zone self, ZoneDelegate parent, Zone origin, f()) {
-      if (!identical(f, callback)) return f;
-      registerCallDelta++; // Increment calls to register.
-      expect(origin, forked);
-      expect(self, forked);
-      return expectAsync(() {
-        registerCallDelta--;
-        return f();
-      });
-    }));
-    Completer completer = new Completer();
-    Future timedOut;
-    forked.run(() {
-      timedOut = completer.future
-          .timeout(const Duration(milliseconds: 5), onTimeout: callback);
-    });
-    timedOut.then(expectAsync((v) {
-      expect(callbackCalled, true);
-      expect(registerCallDelta, 0);
-      expect(Zone.current, initialZone);
-      expect(v, 42);
-    }));
-  });
-
-  test("timeoutNoFunction", () {
-    Completer completer = new Completer();
-    Future timedOut = completer.future.timeout(const Duration(milliseconds: 5));
-    timedOut.catchError(expectAsync((e, s) {
-      expect(e, new isInstanceOf<TimeoutException>());
-      expect(e.duration, const Duration(milliseconds: 5));
-      expect(s, null);
-    }));
-  });
-
-  test("timeoutType", () {
-    Completer completer = new Completer<int>();
-    Future timedOut = completer.future.timeout(const Duration(milliseconds: 5));
-    expect(timedOut, new isInstanceOf<Future<int>>());
-    expect(timedOut, isNot(new isInstanceOf<Future<String>>()));
-    timedOut.catchError((_) {});
-    completer.complete(499);
-  });
-}