Lasse R.H. Nielsen
5642199dd0
Change-Id: I35bb926e53e92fd02e264fb5b14feadf063fb8db Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/257961 Reviewed-by: Michael Thomsen <mit@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com>
58 lines
1.2 KiB
Dart
58 lines
1.2 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart test program for default constructors.
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import "package:expect/expect.dart";
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late String message;
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foo() {
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message += 'foo';
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return 1;
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}
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bar() {
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message += 'bar';
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return 2;
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}
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class X {
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var i;
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var j;
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X({a = 'defa', b = 'defb'})
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: this.i = a,
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this.j = b;
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X.foo() : this(b: 1, a: 2);
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X.bar()
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: this(
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1, // //# 01: compile-time error, runtime error
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a: 2);
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X.baz() : this(a: 1, b: 2);
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X.qux() : this(b: 2);
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X.hest() : this();
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X.fisk() : this(b: bar(), a: foo());
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X.naebdyr() : this(a: foo(), b: bar());
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}
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test(x, a, b) {
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Expect.equals(x.i, a);
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Expect.equals(x.j, b);
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}
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main() {
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test(new X.foo(), 2, 1);
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test(new X.bar(), 2, 'defb');
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test(new X.baz(), 1, 2);
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test(new X.qux(), 'defa', 2);
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test(new X.hest(), 'defa', 'defb');
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message = '';
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new X.fisk();
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Expect.equals('barfoo', message);
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message = '';
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new X.naebdyr();
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Expect.equals('foobar', message);
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}
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