Files
sdk/tests/corelib/string_fromcharcode_test.dart
T
Bob Nystrom edee53f93d Bring back the deleted 1.0 corelib tests.
What is dead may never die.

Change-Id: I80ef766b8ce2b6e1416df8e1f9b91fb74169dc79
Reviewed-on: https://dart-review.googlesource.com/7483
Reviewed-by: William Hesse <whesse@google.com>
2017-09-21 18:29:40 +00:00

32 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.throws(() => new String.fromCharCode(-1), (e) => e is ArgumentError);
// Invalid code point.
Expect.throws(
() => new String.fromCharCode(0x110000), (e) => e is ArgumentError);
Expect.throws(
() => new String.fromCharCode(0x110001), (e) => e is ArgumentError);
}