Files
sdk/tests/language_2/constructor/example_constructor_test.dart
T
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

46 lines
891 B
Dart

// 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 for testing order of constructor invocation.
// @dart = 2.9
import "package:expect/expect.dart";
var trace = "";
int rec(int i) {
trace += "$i ";
return i;
}
class A {
A(int x) : x = rec(4) {
Expect.equals(3, x); // Parameter x
Expect.equals(4, this.x);
rec(5);
}
final int x;
}
class B extends A {
B(this.a, int y, int z)
: z = rec(1),
y = rec(2),
super(rec(3)) {
rec(6);
}
int a;
int y;
int z;
}
main() {
var test = new B(rec(0), 0, 0);
Expect.equals(0, test.a);
Expect.equals(4, test.x);
Expect.equals(2, test.y);
Expect.equals(1, test.z);
Expect.equals("0 1 2 3 4 5 6 ", trace);
}