66 lines
2.1 KiB
Dart
66 lines
2.1 KiB
Dart
// Copyright (c) 2023, Sudipto Chandra
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// All rights reserved. Check LICENSE file for details.
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import 'package:hashlib/hashlib.dart';
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import 'package:test/test.dart';
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const seed = 0x9E3779B1;
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const data = <int>[
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158, 255, 31, 75, 94, 83, 47, 221, 181, 84, 77, 42, 149, 43, 87, 174, 93, //
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186, 116, 233, 211, 166, 76, 152, 48, 96, 192, 128, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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];
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void main() {
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group('XXHash32 test', () {
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test('xxh32code', () {
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expect(xxh32code(String.fromCharCodes(data)), 0x1f1aa412);
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});
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test('with seed = 0 and an empty string', () {
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expect(xxh32.convert([]).hex(), "02cc5d05");
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});
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test('with seed = 0 and a single letter', () {
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expect(xxh32.convert([data[0]]).hex(), "b85cbee5");
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});
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test('with seed = 0 and 14 letters', () {
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final input = String.fromCharCodes(data.take(14));
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expect(xxh32sum(input), "e5aa0ab4");
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});
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test('with seed = 0 and 101 letters', () {
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expect(xxh32.convert(data).number(), 0x1f1aa412);
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});
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test('with a seed and an empty string', () {
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final input = <int>[];
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expect(xxh32.withSeed(seed).convert(input).hex(), "36b78ae7");
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});
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test('with a seed and a single letter', () {
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final input = <int>[data[0]];
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expect(xxh32.withSeed(seed).convert(input).hex(), "d5845d64");
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});
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test('with a seed and 14 letters', () {
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final input = data.take(14).toList();
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expect(xxh32.withSeed(seed).convert(input).hex(), "4481951d");
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});
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test('with a seed and 101 letters', () {
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expect(xxh32.withSeed(seed).convert(data).hex(), "498ec8e2");
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});
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test('with 32-byte message', () {
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final input = "string of 32-bytes long for test";
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expect(xxh32code(input), 0x90d90755);
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});
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test('with 64-byte message', () {
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final input =
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"string of 64-bytes for test. twice the size of 32-byte string.";
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expect(xxh32code(input), 0x0b438557);
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});
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});
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}
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