blob: 406752ba59c7104b09f32135322876ec3bac1431 [file] [log] [blame]
// 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.
// @dart = 2.9
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());
}