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sdk/pkg/dev_compiler/test/codegen/language/null2_test.dart
T
2015-09-16 16:00:46 -07:00

23 lines
749 B
Dart

// Copyright (c) 2014, 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.
// Second dart test program.
import "package:expect/expect.dart";
// Magic incantation to avoid the compiler recognizing the constant values
// at compile time. If the result is computed at compile time, the dynamic code
// will not be tested.
confuse(x) {
try {
if (new DateTime.now().millisecondsSinceEpoch == 42) x = 42;
throw [x];
} on dynamic catch (e) { return e[0]; }
return 42;
}
main() {
Expect.equals("Null", null.runtimeType.toString());
Expect.equals("Null", confuse(null).runtimeType.toString());
}