52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
#include "CppUnitTest.h"
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#include "../_TestingUtilities/Testutil.h"
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#include "../Eule/Math.h"
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#include <array>
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#include <sstream>
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using namespace Microsoft::VisualStudio::CppUnitTestFramework;
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using namespace Eule;
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namespace _Math
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{
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TEST_CLASS(_RandomInteger)
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{
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public:
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// Checks that the produced unsigned-integer distribution shows a big standard deviation
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TEST_METHOD(Uint_Big_Standard_Deviation)
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{
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// Setup
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std::vector<unsigned int> rands;
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rands.resize(1000);
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// Exercise
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// Create 1000 random values
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std::generate_n(rands.data(), rands.size(), []()->unsigned int { return Math::RandomUint(); });
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// Verify
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const double stddev = Testutil::Stddev<unsigned int>(rands);
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Assert::IsTrue(stddev >= 1000000, (std::wstringstream() << stddev).str().c_str());
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return;
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}
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// Checks that the produced integer distribution shows a big standard deviation
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TEST_METHOD(Int_Big_Standard_Deviation)
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{
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// Setup
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std::vector<int> rands;
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rands.resize(1000);
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// Exercise
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// Create 1000 random values
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std::generate_n(rands.data(), rands.size(), []()->int { return Math::RandomInt(); });
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// Verify
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const double stddev = Testutil::Stddev<int>(rands);
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Assert::IsTrue(stddev >= 1000000, (std::wstringstream() << stddev).str().c_str());
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return;
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}
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};
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}
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