blob: 787197c34465fe4e7d9eeddaad43709257242272 [file] [log] [blame]
// 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.
// @dart = 2.9
// VMOptions=--optimization-counter-threshold=10 --no-background-compilation
import 'package:expect/expect.dart';
import 'dart:async';
expectThenValue(future, value) {
Expect.isTrue(future is Future);
future.then((result) {
Expect.equals(value, result);
});
}
asyncIf(condition) async {
if (condition) {
return 1;
} else {
return 2;
}
// This return is never reached as the finally block returns from the
// function.
return 3;
}
asyncFor(condition) async {
for (int i = 0; i < 10; i++) {
if (i == 5 && condition) {
return 1;
}
}
return 2;
}
asyncTryCatchFinally(overrideInFinally, doThrow) async {
try {
if (doThrow) throw 444;
return 1;
} catch (e) {
return e;
} finally {
if (overrideInFinally) return 3;
}
}
asyncTryCatchLoop() async {
var i = 0;
var throws = 13;
while (true) {
try {
throw throws;
} catch (e) {
if (i == throws) {
return e;
}
} finally {
i++;
}
}
}
asyncImplicitReturn() async {
try {} catch (e) {} finally {}
}
main() {
var asyncReturn;
for (int i = 0; i < 10; i++) {
asyncReturn = asyncIf(true);
expectThenValue(asyncReturn, 1);
asyncReturn = asyncIf(false);
expectThenValue(asyncReturn, 2);
asyncReturn = asyncFor(true);
expectThenValue(asyncReturn, 1);
asyncReturn = asyncFor(false);
expectThenValue(asyncReturn, 2);
asyncReturn = asyncTryCatchFinally(true, false);
expectThenValue(asyncReturn, 3);
asyncReturn = asyncTryCatchFinally(false, false);
expectThenValue(asyncReturn, 1);
asyncReturn = asyncTryCatchFinally(true, true);
expectThenValue(asyncReturn, 3);
asyncReturn = asyncTryCatchFinally(false, true);
expectThenValue(asyncReturn, 444);
asyncReturn = asyncTryCatchLoop();
expectThenValue(asyncReturn, 13);
asyncReturn = asyncImplicitReturn();
expectThenValue(asyncReturn, null);
}
}