dart-sdk/tests/corelib_2/string_fromcharcode_test.dart
Bob Nystrom 07b9df22ac Use the Expect.throws___() helper methods throughout tests.
No behavioral changes, just getting rid of a lot of redundant closures
and helper functions.

Change-Id: I55c52c2cc9e5505bb64203c31aad8d76847f8eeb
Reviewed-on: https://dart-review.googlesource.com/14320
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: William Hesse <whesse@google.com>
2017-10-17 23:37:15 +00:00

28 lines
1.1 KiB
Dart

// Copyright (c) 2012, 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";
main() {
Expect.equals("A", new String.fromCharCode(65));
Expect.equals("B", new String.fromCharCode(66));
var gClef = new String.fromCharCode(0x1D11E);
Expect.equals(2, gClef.length);
Expect.equals(0xD834, gClef.codeUnitAt(0));
Expect.equals(0xDD1E, gClef.codeUnitAt(1));
// Unmatched surrogates.
var unmatched = new String.fromCharCode(0xD800);
Expect.equals(1, unmatched.length);
Expect.equals(0xD800, unmatched.codeUnitAt(0));
unmatched = new String.fromCharCode(0xDC00);
Expect.equals(1, unmatched.length);
Expect.equals(0xDC00, unmatched.codeUnitAt(0));
Expect.throwsArgumentError(() => new String.fromCharCode(-1));
// Invalid code point.
Expect.throwsArgumentError(() => new String.fromCharCode(0x110000));
Expect.throwsArgumentError(() => new String.fromCharCode(0x110001));
}