dart-sdk/tests/language_2/no_such_method3_test.dart
pq 6f58da2ef8 Migrate test block 138 to Dart 2.0.
Bug:
Change-Id: I9050869dc3365d122cf3c8754b39859d20e20902
Reviewed-on: https://dart-review.googlesource.com/10161
Reviewed-by: Ben Konyi <bkonyi@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2017-10-06 17:33:58 +00:00

39 lines
751 B
Dart

// Copyright (c) 2013, 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.
// Test that a static type inferrer takes [noSuchMethod] into account.
// VMOptions=--optimization-counter-threshold=10 --no-background-compilation
import "package:expect/expect.dart";
class A {
B foobarbaz() {
return new B();
}
}
class B {
noSuchMethod(im) {
return 42;
}
}
bar() {
var b;
for (int i = 0; i < 20; ++i)
if (i % 2 == 0)
b = new A();
else
b = new B();
return b;
}
void main() {
var x = bar();
var y = x.foobarbaz();
Expect.equals(42, y);
Expect.isFalse(y is B);
}