blob: 832b712947e536189cc40e28374dc2bf9c934677 [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.
import "package:expect/expect.dart";
// Test that field initializers are evaluated in the right order.
int counter = 0;
class Mark {
static late StringBuffer buffer;
Mark(value) {
buffer.write('$value.');
}
}
class OneField {
var a = new Mark('a');
OneField();
OneField.init() : a = new Mark('ai');
}
class TwoFields {
var b = new Mark('b');
var a = new Mark('a');
TwoFields();
TwoFields.initA() : a = new Mark('ai');
TwoFields.initB() : b = new Mark('bi');
TwoFields.initBoth()
: a = new Mark('ai'),
b = new Mark('bi');
}
class InheritOneField extends OneField {
var b = new Mark('b');
InheritOneField() : super();
InheritOneField.init()
: b = new Mark('bi'),
super();
InheritOneField.superWithInit() : super.init();
InheritOneField.initWithSuperInit_correctOrder()
: b = new Mark('bi'),
super.init();
InheritOneField.initWithSuperInit_incorrectOrder()
:
super.init(), //# 01: compile-time error
b = new Mark('bi')
, super.init() //# none: ok
;
}
String run(callback) {
Mark.buffer = new StringBuffer();
callback();
return Mark.buffer.toString();
}
main() {
Expect.equals('a.', run(() => new OneField()));
Expect.equals('a.ai.', run(() => new OneField.init()));
Expect.equals('b.a.', run(() => new TwoFields()));
Expect.equals('b.a.ai.', run(() => new TwoFields.initA()));
Expect.equals('b.a.bi.', run(() => new TwoFields.initB()));
Expect.equals('b.a.ai.bi.', run(() => new TwoFields.initBoth()));
Expect.equals('b.a.', run(() => new InheritOneField()));
Expect.equals('b.bi.a.', run(() => new InheritOneField.init()));
Expect.equals('b.a.ai.', run(() => new InheritOneField.superWithInit()));
Expect.equals(
'b.bi.a.ai.', run(() => new InheritOneField.initWithSuperInit_correctOrder()));
Expect.equals(
'b.bi.a.ai.', run(() => new InheritOneField.initWithSuperInit_incorrectOrder()));
}