Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
28 lines
909 B
Dart
28 lines
909 B
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";
|
|
|
|
// Test inlining of assignments in parameter passing. If [StringScanner.charAt]
|
|
// is inlined, the argument expression `++byteOffset` should not be duplicated.
|
|
|
|
class StringScanner {
|
|
final String string;
|
|
int byteOffset = -1;
|
|
|
|
StringScanner(this.string);
|
|
|
|
int nextByte() => charAt(++byteOffset);
|
|
|
|
int charAt(index) => (string.length > index) ? string.codeUnitAt(index) : -1;
|
|
}
|
|
|
|
void main() {
|
|
var scanner = new StringScanner('az9');
|
|
Expect.equals(0x61, scanner.nextByte()); // Expect a.
|
|
Expect.equals(0x7A, scanner.nextByte()); // Expect z.
|
|
Expect.equals(0x39, scanner.nextByte()); // Expect 9.
|
|
Expect.equals(-1, scanner.nextByte());
|
|
}
|