blob: 341ab8da387a6b3074ec4729dea0fd86ea65c603 [file] [log] [blame]
// Copyright (c) 2016, 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 "dart:typed_data";
import "package:expect/expect.dart";
main() {
for (var copying in [true, false]) {
var b;
testLength(n) {
Expect.equals(n, b.length);
if (n == 0) {
Expect.isTrue(b.isEmpty, "isEmpty: #${b.length}");
Expect.isFalse(b.isNotEmpty, "isNotEmpty: #${b.length}");
} else {
Expect.isTrue(b.isNotEmpty, "isNotEmpty: #${b.length}");
Expect.isFalse(b.isEmpty, "isEmpty: #${b.length}");
}
}
b = new BytesBuilder(copy: copying);
testLength(0);
b.addByte(0);
testLength(1);
b.add([1, 2, 3]);
testLength(4);
b.add(<int>[4, 5, 6]);
testLength(7);
b.add(new Uint8List.fromList([7, 8, 9]));
testLength(10);
b.add(new Uint16List.fromList([10, 11, 12]));
testLength(13);
var bytes = b.toBytes();
Expect.isTrue(bytes is Uint8List);
Expect.listEquals([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12], bytes);
testLength(13);
b.add("\x0d\x0e\x0f".codeUnits);
testLength(16);
bytes = b.takeBytes();
testLength(0);
Expect.isTrue(bytes is Uint8List);
Expect.listEquals(
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], bytes);
b.addByte(0);
testLength(1);
b.clear();
testLength(0);
b.addByte(0);
testLength(1);
}
}