blob: 9a75762ff6f9962a656b79d092afff8a8e50b1b7 [file] [log] [blame]
// 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.
// @dart = 2.9
import "package:expect/expect.dart";
final x = foo();
var x2 = foo2();
var x3 = foo3();
var x4 = foo4();
var x5 = foo5();
final x6 = foo6();
int x7 = x7 + 1;
foo() {
throw "interrupt initialization";
}
foo2() {
x2 = 499;
throw "interrupt initialization";
}
foo3() => x3 + 1;
foo4() {
x4 = 498;
x4 = x4 + 1;
return x4;
}
foo5() {
x5 = 498;
x5 = x5 + 1;
}
foo6() {
try {
return x5 + 1;
} catch (e) {
return 499;
}
}
fib(x) {
if (x is! int) return 0;
if (x < 2) return x;
return fib(x - 1) + fib(x - 2);
}
main() {
Expect.throws(() => fib(x), (e) => e == "interrupt initialization");
Expect.equals(null, x);
Expect.throws(() => fib(x2), (e) => e == "interrupt initialization");
Expect.equals(null, x2);
Expect.throws(() => fib(x3), (e) => e is CyclicInitializationError);
Expect.equals(null, x3);
Expect.equals(499, x4);
Expect.equals(null, x5);
Expect.equals(499, x6);
Expect.throws(() => fib(x7), (e) => e is CyclicInitializationError);
}