blob: 71f6c38753a6add2cbe382d428d0a38ccba57ff3 [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";
// Super initializer and super constructor body are executed in with the same
// bindings.
String trace = "";
int E(int i) {
trace = "$trace$i-";
return i;
}
class A {
// f closes-over arg. arg needs to be preserved while b2 is initialized.
A(arg)
: a = E(arg += 1),
f = (() => E(arg += 10)) {
// b2 should be initialized between the above initializers and the following
// statements.
var r1 = f();
E(arg += 100); // If this is the same arg as closed by f, ...
var r2 = f(); // .. the effect of +=100 will be seen here.
}
final a;
final f;
}
class B extends A {
// Initializers in order: b1, super, b2.
B(x, y)
: b1 = E(x++),
b2 = E(y++),
super(1000) {
// Implicit super call to A's body happens here.
E(x);
E(y);
f();
}
var b1;
var b2;
}
class C extends B {
C() : super(10, 20);
}
main() {
var c = new C();
Expect.equals("10-20-1001-1011-1111-1121-11-21-1131-", trace);
}