dart-sdk/tests/language/metadata/metadata_test.dart
Lasse R.H. Nielsen 5642199dd0 Remove uses of : as default value separator in some tests/ directories.
Change-Id: I35bb926e53e92fd02e264fb5b14feadf063fb8db
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/257961
Reviewed-by: Michael Thomsen <mit@google.com>
Commit-Queue: Lasse Nielsen <lrn@google.com>
2022-09-07 14:49:17 +00:00

63 lines
1.2 KiB
Dart

// Copyright (c) 2012, 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 ensuring that compiler can parse metadata. Need to add negative
// test cases with illegal metadata annotations.
library metadata_test.dart;
import "package:expect/expect.dart";
import "lib.dart" as Meta;
class Tag {
final String annotation;
const Tag(this.annotation);
}
const meta1 = 1;
const meta2 = const Tag("meta2");
const extern = const Tag("external");
@meta1
var topLevelVar;
@Meta.Alien.unknown()
List unknownUnknowns = [];
@meta1
typedef int DingDong<@meta2 T>(@meta1 event);
@meta1
class A<@Tag("typeParam") T> {
@meta1
@meta2
static String staticField = "s";
@Meta.Alien("ET")
int foo(@meta1 bool fool, {@meta1 @Tag("opt") x = 100}) {
g() => 10;
return x * g();
}
@Tag(r"timewarp")
List<int> getNextWeeksLottoNumbers() => [1, 2, 3, 4, 5, 6];
}
@meta1
main() {
@meta1
var a = new A();
Expect.equals(0, a.foo(false, x: 0));
for (@Tag("loopvar")
int i = 0;
i < 10;
i++) {
// Do something.
}
@meta1
var s = r'This is a raw \\ string.';
}