basic unit test

include ../config.mk

CUDA_SOURCES := $(wildcard *.cu)

CUDA_TARGETS := $(CUDA_SOURCES:%.cu=%)

GTEST := -lgtest -pthread

## targets definitions follow

.PHONY: all host cuda

all: cuda

cuda: $(CUDA_TARGETS)

run: cuda

	./$(CUDA_TARGETS)

.PHONY: clean

clean:

	rm -f *.d *.o *.cuo $(CUDA_TARGETS)

# use .cuo instead of .cu.o to avoid problems with the implicit rules: https://stackoverflow.com/q/62967939

# (and use the host compiler for linking CUDA, nvcc does not understand that .cuo is an object file)

$(CUDA_TARGETS): % : %.cuo

	$(CXX) $(CUDA_LDFLAGS) -o $@ $< $(CUDA_LDLIBS) $(GTEST)

$(CUDA_SOURCES:%.cu=%.cuo): %.cuo : %.cu

	$(CUDA_CXX) $(CUDA_CPPFLAGS) $(CUDA_CXXFLAGS) -c -o $@ $<

#include "gtest/gtest.h"

#include <vector>

#include <algorithm>

#include <numeric>

#include <random>

#include <TNL/Containers/Array.h>

#include <TNL/Algorithms/MemoryOperations.h>

#include "../quicksort.cuh"

#include "../../util/algorithm.h"

//----------------------------------------------------------------------------------

TEST(selectedSize, size15)

{

    TNL::Containers::Array<int, TNL::Devices::Cuda> cudaArr{5, 9, 4, 8, 6, 1, 2, 3, 4, 8, 1, 6, 9, 4, 9};

    auto view = cudaArr.getView();

    ASSERT_EQ(15, view.getSize()) << "size not 15" << std::endl;

    quicksort(view);

    ASSERT_TRUE(is_sorted(view)) << "result " << view << std::endl;

}

TEST(multiblock, 32768_decreasingNegative)

{

    std::vector<int> arr(1<<15);

    for (size_t i = 0; i < arr.size(); i++)

        arr[i] = -i;

    TNL::Containers::Array<int, TNL::Devices::Cuda> cudaArr(arr);

    auto view = cudaArr.getView();

    quicksort(view);

    ASSERT_TRUE(is_sorted(view)) << "result " << view << std::endl;

}

TEST(randomGenerated, smallArray_randomVal)

{

    std::srand(2006);

    for(int i = 0; i < 100; i++)

    {

        std::vector<int> arr(std::rand()%(1<<10));

        for(auto & x : arr)

            x = std::rand();

        TNL::Containers::Array<int, TNL::Devices::Cuda> cudaArr(arr);

        auto view = cudaArr.getView();

        quicksort(view);

        ASSERT_TRUE(is_sorted(view));

    }

}

//----------------------------------------------------------------------------------

int main(int argc, char **argv)

{

    testing::InitGoogleTest(&argc, argv);

    return RUN_ALL_TESTS();

}

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