Robert Nystrom
6cc9efe290
Change-Id: I94dfcea40566190c6bf153c108b0d0d5dbf27a4d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/400148 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
41 lines
867 B
Dart
41 lines
867 B
Dart
// Copyright (c) 2011, 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 constructors and initializers.
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import "package:expect/expect.dart";
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// Expect the initializer expressions E(i) to be evaluated
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// in the order 1, 2, 3, ...
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// Each expression must be evaluated exactly once.
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String trace = "";
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int E(int i) {
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trace += "$i-";
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return i;
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}
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class A {
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var a1;
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A(x, y) : a1 = E(3) {
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Expect.equals(1, x);
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Expect.equals(2, y);
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E(5);
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}
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}
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class B extends A {
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var b1;
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B(x) : b1 = E(4), super(E(1), E(2)) {
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// Implicit super call to A's body happens here.
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Expect.equals(4, b1);
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E(6);
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}
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}
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main() {
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var b = new B(0);
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Expect.equals("4-1-2-3-5-6-", trace);
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}
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