using FluentAssertions; using Xunit; namespace PKHeX.Core.Tests; public static class Xoroshiro128Tests { [Theory] [InlineData(1, 1, 0x339C61939607D435, 0xF4DD6E2E9698D1B0, 98, 1000)] public static void Forward(ulong s0, ulong s1, ulong n0, ulong n1, int frames, int loop) { var adv = GetFramesForward(s0, s1, n0, n1, loop); adv.Should().Be(frames); } [Theory] [InlineData(1, 1, 0x339C61939607D435, 0xF4DD6E2E9698D1B0, 98, 1000)] public static void Reverse(ulong s0, ulong s1, ulong n0, ulong n1, int frames, int loop) { var adv = GetFramesReverse(s0, s1, n0, n1, loop); adv.Should().Be(frames); } private static int GetFramesReverse(ulong s0, ulong s1, ulong n0, ulong n1, int loop) { var rand = new Xoroshiro128Plus(n0, n1); for (int i = 0; i < loop; i++) { _ = rand.Prev(); if (rand.Equals(s0, s1)) return i; } return -1; } private static int GetFramesForward(ulong s0, ulong s1, ulong n0, ulong n1, int loop) { var rand = new Xoroshiro128Plus(s0, s1); for (int i = 0; i < loop; i++) { _ = rand.Next(); if (rand.Equals(n0, n1)) return i; } return -1; } [Theory] [InlineData(0x5a62b550aa55aa55, 0xCCF314B0, 0x359D276C, 0x43157D53)] [InlineData(0x5a63b450aa55aa55, 0xCCF314B0, 0x35BD486B, 0x43157D53)] [InlineData(0x5a6cb550aa55aa55, 0xCCF314B0, 0x375D316C, 0x43157D53)] [InlineData(0x5a6db450aa55aa55, 0xCCF314B0, 0x377D526B, 0x43157D53)] [InlineData(0x9a508f54aa55aa55, 0xCCF314B0, 0x3BA454B2, 0x43157D53)] [InlineData(0x9a518e54aa55aa55, 0xCCF314B0, 0x3BC475B1, 0x43157D53)] [InlineData(0x9a5a8754aa55aa55, 0xCCF314B0, 0x3C635EBA, 0x43157D53)] [InlineData(0x9a5b8654aa55aa55, 0xCCF314B0, 0x3C837FB9, 0x43157D53)] [InlineData(0x9a70a754aa55aa55, 0xCCF314B0, 0x379F74DA, 0x43157D53)] [InlineData(0x9a71a654aa55aa55, 0xCCF314B0, 0x37BF95D9, 0x43157D53)] [InlineData(0x9a7aaf54aa55aa55, 0xCCF314B0, 0x38607ED2, 0x43157D53)] [InlineData(0x9a7bae54aa55aa55, 0xCCF314B0, 0x38809FD1, 0x43157D53)] [InlineData(0xaa54ab55aa55aa55, 0xCCF314B0, 0x3C2FD8B6, 0x43157D53)] [InlineData(0xaa55aa55aa55aa55, 0xCCF314B0, 0x3C4FF9B5, 0x43157D53)] [InlineData(0xaa7e8b55aa55aa55, 0xCCF314B0, 0x38F40296, 0x43157D53)] [InlineData(0xaa7f8a55aa55aa55, 0xCCF314B0, 0x39142395, 0x43157D53)] public static void TestConsecutive(ulong seed, uint first, uint second, uint third) { bool found = false; var machine = new XoroMachineConsecutive(first, second); foreach (var result in machine) { if (result == seed) found = true; var xoro = new Xoroshiro128Plus(seed); ((uint)xoro.Next()).Should().Be(first); ((uint)xoro.Next()).Should().Be(second); ((uint)xoro.Next()).Should().Be(third); } found.Should().BeTrue(); } [Theory] [InlineData(0x5a62b550aa55aa55, 0xCCF314B0, 0x359D276C, 0x43157D53)] [InlineData(0x5a63b450aa55aa55, 0xCCF314B0, 0x35BD486B, 0x43157D53)] [InlineData(0x5a6cb550aa55aa55, 0xCCF314B0, 0x375D316C, 0x43157D53)] [InlineData(0x5a6db450aa55aa55, 0xCCF314B0, 0x377D526B, 0x43157D53)] [InlineData(0x9a508f54aa55aa55, 0xCCF314B0, 0x3BA454B2, 0x43157D53)] [InlineData(0x9a518e54aa55aa55, 0xCCF314B0, 0x3BC475B1, 0x43157D53)] [InlineData(0x9a5a8754aa55aa55, 0xCCF314B0, 0x3C635EBA, 0x43157D53)] [InlineData(0x9a5b8654aa55aa55, 0xCCF314B0, 0x3C837FB9, 0x43157D53)] [InlineData(0x9a70a754aa55aa55, 0xCCF314B0, 0x379F74DA, 0x43157D53)] [InlineData(0x9a71a654aa55aa55, 0xCCF314B0, 0x37BF95D9, 0x43157D53)] [InlineData(0x9a7aaf54aa55aa55, 0xCCF314B0, 0x38607ED2, 0x43157D53)] [InlineData(0x9a7bae54aa55aa55, 0xCCF314B0, 0x38809FD1, 0x43157D53)] [InlineData(0xaa54ab55aa55aa55, 0xCCF314B0, 0x3C2FD8B6, 0x43157D53)] [InlineData(0xaa55aa55aa55aa55, 0xCCF314B0, 0x3C4FF9B5, 0x43157D53)] [InlineData(0xaa7e8b55aa55aa55, 0xCCF314B0, 0x38F40296, 0x43157D53)] [InlineData(0xaa7f8a55aa55aa55, 0xCCF314B0, 0x39142395, 0x43157D53)] public static void TestSkip(ulong seed, uint first, uint second, uint third) { bool found = false; var machine = new XoroMachineSkip(first, third); foreach (var result in machine) { if (result == seed) found = true; var xoro = new Xoroshiro128Plus(seed); ((uint)xoro.Next()).Should().Be(first); ((uint)xoro.Next()).Should().Be(second); ((uint)xoro.Next()).Should().Be(third); } found.Should().BeTrue(); } }