mirror of
https://github.com/dart-lang/sdk
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ced11f1b0c
Change-Id: Ide65fb47af440e32648d01f46ad6f858b9faeadf Reviewed-on: https://dart-review.googlesource.com/3742 Reviewed-by: Bob Nystrom <rnystrom@google.com>
79 lines
2 KiB
Dart
79 lines
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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// Test to ensure that StringBuffer and string interpolation behaves
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// the same and fail fast.
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import "package:expect/expect.dart";
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class ToStringWrapper {
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final value;
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ToStringWrapper(this.value);
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toString() => value;
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}
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wrap(value) => new ToStringWrapper(value);
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main() {
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interpolate(object) {
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var result;
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try {
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result = '${wrap(object)}';
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} on ArgumentError {
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return 'Error';
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}
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Expect.isTrue(result is String);
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return 'Success';
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}
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buffer(object) {
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var sb;
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try {
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sb = new StringBuffer()..write(wrap(object));
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} on ArgumentError {
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return 'Error';
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}
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if (object == null) {
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Expect.isTrue(sb.toString() is String);
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}
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return 'Success';
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}
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initBuffer(object) {
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var sb;
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try {
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sb = new StringBuffer(wrap(object));
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} on ArgumentError {
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return 'Error';
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}
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if (object == null) {
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Expect.isTrue(sb.toString() is String);
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}
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return 'Success';
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}
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Expect.equals('Error', interpolate(null));
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Expect.equals('Success', interpolate(""));
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Expect.equals('Success', interpolate("string"));
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Expect.equals('Error', interpolate([]));
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Expect.equals('Error', interpolate([1]));
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Expect.equals('Error', interpolate(new Object()));
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Expect.equals('Error', buffer(null));
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Expect.equals('Success', buffer(""));
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Expect.equals('Success', buffer("string"));
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Expect.equals('Error', buffer([]));
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Expect.equals('Error', buffer([1]));
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Expect.equals('Error', buffer(new Object()));
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Expect.equals('Error', initBuffer(null));
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Expect.equals('Success', initBuffer(""));
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Expect.equals('Success', initBuffer("string"));
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Expect.equals('Error', initBuffer([]));
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Expect.equals('Error', initBuffer([1]));
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Expect.equals('Error', initBuffer(new Object()));
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}
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