Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
52 lines
1.2 KiB
Dart
52 lines
1.2 KiB
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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// Replace with shared test once interface issues clarified.
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// @dart = 2.9
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import "package:expect/expect.dart";
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class StringTest {
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static testMain() {
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testCodePoints();
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testNoSuchMethod();
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testStringsJoin();
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testCharCodes();
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}
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static testCodePoints() {
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String str = "string";
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for (int i = 0; i < str.length; i++) {
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Expect.equals(true, str[i] is String);
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Expect.equals(true, str.codeUnitAt(i) is int);
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}
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}
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static testStringsJoin() {
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List<String> a = new List<String>(2);
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a[0] = "Hello";
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a[1] = "World";
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String s = a.join("*^*");
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Expect.equals("Hello*^*World", s);
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}
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static testNoSuchMethod() {
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String a = "Hello";
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a[1] = 12;
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// ^^^
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// [analyzer] COMPILE_TIME_ERROR.UNDEFINED_OPERATOR
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// [cfe] The operator '[]=' isn't defined for the class 'String'.
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}
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static testCharCodes() {
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String s = new String.fromCharCodes(const [0x41, 0xC1, 0x424]);
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Expect.equals("A", s[0]);
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Expect.equals(0x424, s.codeUnitAt(2));
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}
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}
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main() {
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StringTest.testMain();
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}
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