dart-sdk/tests/language_2/string_interpolation7_test.dart
pq ced11f1b0c Migrate test block 153 to Dart 2.0.
Change-Id: Ide65fb47af440e32648d01f46ad6f858b9faeadf
Reviewed-on: https://dart-review.googlesource.com/3742
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2017-09-19 16:20:45 +00:00

28 lines
639 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.
import "package:expect/expect.dart";
// Dart test program testing string interpolation with toString on custom
// classes and on null.
class A {
const A();
String toString() {
return "A";
}
}
class StringInterpolation7Test {
static testMain() {
A a = new A();
Expect.equals("A + A", "$a + $a");
a = null;
Expect.equals("null", "$a");
}
}
main() {
StringInterpolation7Test.testMain();
}