mirror of
https://github.com/zjs81/meshcore-open.git
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PacoX
41 lines
1.5 KiB
Dart
41 lines
1.5 KiB
Dart
import 'dart:typed_data';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:meshcore_open/helpers/path_helper.dart';
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void main() {
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test('detectPathHashWidth identifies 1,2,3,4-byte widths from first byte', () {
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// mode 0 -> width 1 (00xxxxxx)
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expect(PathHelper.detectPathHashWidth([0x12]), equals(1));
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// mode 1 -> width 2 (01xxxxxx)
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expect(PathHelper.detectPathHashWidth([0x40]), equals(2));
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expect(PathHelper.detectPathHashWidth([0x7F]), equals(2));
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// mode 2 -> width 3 (10xxxxxx)
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expect(PathHelper.detectPathHashWidth([0x80]), equals(3));
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// mode 3 -> width 4 (11xxxxxx)
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expect(PathHelper.detectPathHashWidth([0xC0]), equals(4));
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});
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test('packet-aware split uses detected width vs fallback', () {
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// Packet has mode=0 (1-byte hops) but fallback is 2
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final packet = [0x01, 0x02, 0x03];
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final detected = PathHelper.detectPathHashWidth(packet, fallback: 2);
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expect(detected, equals(1));
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final hops = PathHelper.splitPathBytes(packet, detected);
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expect(hops, hasLength(3));
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expect(hops.first, equals(Uint8List.fromList([0x01])));
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// Packet with mode=1 (2-byte hops)
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final packet2 = [0x40, 0xAA, 0xBB, 0xCC];
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final detected2 = PathHelper.detectPathHashWidth(packet2, fallback: 1);
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expect(detected2, equals(2));
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final hops2 = PathHelper.splitPathBytes(packet2, detected2);
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expect(hops2, hasLength(2));
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expect(hops2.first, equals(Uint8List.fromList([0x40, 0xAA])));
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});
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}
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