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Require filtered primes for by-divisor scanning

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Marek Lemańczyk committed 2025-09-21 11:11:51 +02:00
1 parent b705488b35
commit 5ce0cf74fc
3 files changed
+111 -31
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PerfectNumbers.Core.Tests/MersenneNumberDivisorGpuTesterTests.cs
+30 -3
View File
@@ -1,5 +1,6 @@
using FluentAssertions;
using PerfectNumbers.Core.Gpu;
using System;
using System.Numerics;
using System.Reflection;
using Xunit;
@@ -66,14 +67,40 @@ public class MersenneNumberDivisorGpuTesterTests
public void ByDivisor_tester_tracks_divisors_across_primes()
{
var tester = new MersenneNumberDivisorByDivisorGpuTester();
tester.IsPrime(5UL, 64UL, out bool exhausted).Should().BeTrue();
tester.ConfigureFromMaxPrime(11UL);
tester.IsPrime(5UL, out bool exhausted).Should().BeTrue();
exhausted.Should().BeTrue();
tester.IsPrime(7UL, 96UL, out exhausted).Should().BeTrue();
tester.IsPrime(7UL, out exhausted).Should().BeTrue();
exhausted.Should().BeTrue();
tester.IsPrime(11UL, 128UL, out exhausted).Should().BeFalse();
tester.IsPrime(11UL, out exhausted).Should().BeFalse();
exhausted.Should().BeTrue();
}
[Fact]
[Trait("Category", "Fast")]
public void ByDivisor_tester_requires_configuration()
{
var tester = new MersenneNumberDivisorByDivisorGpuTester();
Action act = () => tester.IsPrime(5UL, out _);
act.Should().Throw<InvalidOperationException>();
}
[Fact]
[Trait("Category", "Fast")]
public void ByDivisor_tester_respects_filter_based_limit()
{
var tester = new MersenneNumberDivisorByDivisorGpuTester();
tester.ConfigureFromMaxPrime(5UL);
tester.IsPrime(5UL, out _).Should().BeTrue();
tester.IsPrime(7UL, out bool exhausted).Should().BeTrue();
exhausted.Should().BeTrue();
tester.IsPrime(11UL, out bool divisorsExhausted).Should().BeTrue();
divisorsExhausted.Should().BeTrue();
}
}