Files
sdk/tests/language_2/function/local2_test.dart
T
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

48 lines
919 B
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.
// Dart test program testing closures.
// @dart = 2.9
import "package:expect/expect.dart";
typedef T F<T>(T t);
class Parameterized<T> {
Parameterized() {}
T mul3(F<T> f, T t) {
return (3 as dynamic) * f(t);
}
T test(T t) {
return mul3((T t) {
return (3 as dynamic) * t;
}, t);
}
}
class LocalFunction2Test {
static int f(int n) {
int a = 0;
var g = (int n) {
a += n;
return a;
};
var h = (int n) {
a += 10 * n;
return a;
};
return g(n) + h(n);
}
static testMain() {
Expect.equals(3 + 33, f(3));
Expect.equals(9.0, new Parameterized<double>().test(1.0));
}
}
main() {
LocalFunction2Test.testMain();
}