[VM/tests] - First step to migrate dart:cli tests for NNBD.

Copy dart:cli tests from standalone_2/io directory to standalone/io directory.

Change-Id: I050a2a6bd9e98482ed3b7f691563f384874d7151
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/133766
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>

tests/standalone/io/issue_32052_test.dart

@@ -0,0 +1,20 @@
+// Copyright (c) 2018, 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.
+
+import 'dart:async';
+import 'dart:cli';
+
+import 'package:async_helper/async_helper.dart';
+import 'package:expect/expect.dart';
+
+main() {
+  asyncStart();
+  Completer<Null> c = new Completer<Null>();
+  Timer.run(() {
+    c.complete(null);
+    asyncEnd();
+  });
+  Null result = waitFor<Null>(c.future);
+  Expect.isNull(result);
+}

tests/standalone/io/wait_for_error_test.dart

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+// Copyright (c) 2017, 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.
+
+import 'dart:async';
+import 'dart:cli';
+
+import 'package:async_helper/async_helper.dart';
+import 'package:expect/expect.dart';
+
+main() {
+  asyncStart();
+  Completer<bool> c = new Completer<bool>();
+  Timer.run(() {
+    c.completeError("Error", StackTrace.current);
+    asyncEnd();
+  });
+  Expect.throws(() => waitFor<bool>(c.future), (e) => e is AsyncError);
+}

tests/standalone/io/wait_for_exception_test.dart

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+// Copyright (c) 2017, 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.
+
+import 'dart:async';
+import 'dart:cli';
+
+import 'package:async_helper/async_helper.dart';
+import 'package:expect/expect.dart';
+
+main() {
+  asyncStart();
+  Completer<bool> c = new Completer<bool>();
+  runZoned(() {
+    Timer.run(() {
+      asyncEnd();
+      throw "Error";
+    });
+  }, onError: (e) {
+    Expect.isTrue(e is String);
+    c.complete(true);
+  });
+  Expect.isTrue(waitFor<bool>(c.future));
+}

tests/standalone/io/wait_for_test.dart

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+// Copyright (c) 2017, 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.
+
+import 'dart:async';
+import 'dart:mirrors';
+import 'dart:cli';
+
+import 'package:async_helper/async_helper.dart';
+import 'package:expect/expect.dart';
+
+main() {
+  asyncStart();
+  Completer<bool> c = new Completer<bool>();
+  Timer.run(() {
+    c.complete(true);
+    asyncEnd();
+  });
+  bool result = waitFor<bool>(c.future);
+  Expect.isTrue(result);
+}

tests/standalone/io/wait_for_timeout_test.dart

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+// Copyright (c) 2017, 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.
+
+import 'dart:async';
+import 'dart:cli';
+
+import 'package:async_helper/async_helper.dart';
+import 'package:expect/expect.dart';
+
+main() {
+  asyncStart();
+  Completer<bool> c = new Completer<bool>();
+  Expect.throws(() {
+    waitFor<bool>(c.future, timeout: const Duration(seconds: 1));
+  }, (e) => e is TimeoutException);
+  asyncEnd();
+}