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1b2454b85e
Change-Id: Ib09f268c8a8edffba007cdd4962550a5e78ff808 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151090 Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
29 lines
640 B
Dart
29 lines
640 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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import "package:expect/expect.dart";
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// Dart test program testing string interpolation with toString on custom
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// classes and on null.
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class A {
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const A();
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String toString() {
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return "A";
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}
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}
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class StringInterpolation7Test {
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static testMain() {
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A? a = new A();
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Expect.equals("A + A", "$a + $a");
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a = null;
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Expect.equals("null", "$a");
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}
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}
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main() {
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StringInterpolation7Test.testMain();
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}
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