blob: 4bb717361c46614e4b370b260db768de4c739f8a [file] [log] [blame]
// 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 for constructors and initializers.
import "package:expect/expect.dart";
// Expect the initializer expressions E(i) to be evaluated
// in the order 1, 2, 3, ...
// Each expression must be evaluated exactly once.
String trace = "";
int E(int i) {
trace += "$i-";
return i;
}
class A {
var a1;
A(x, y) : a1 = E(3) {
Expect.equals(1, x);
Expect.equals(2, y);
E(5);
}
}
class B extends A {
var b1;
B(x)
: b1 = E(4),
super(E(1), E(2)) {
// Implicit super call to A's body happens here.
Expect.equals(4, b1);
E(6);
}
}
main() {
var b = new B(0);
Expect.equals("4-1-2-3-5-6-", trace);
}