#include <gtest/gtest.h>
#include "test_header.cuh"

using namespace gf2;

bool test_gf2_elim(size_t rank, size_t rank_col, size_t nrows, size_t ncols, uint_fast32_t seed)
{
    assert(rank <= nrows && rank <= rank_col && rank_col <= ncols);
    MatGF2 rdc(rank, ncols);
    rdc.randomize(rank_col, seed);
    MatGF2 mix(nrows, rank);
    mix.randomize(seed);
    MatGF2 src = mix * rdc;
    ElimResult res = src.gpu_elim();
    MatGF2 win(src, 0, 0, res.rank, src.width);
    return rdc == win;
}

TEST(TestGF2Elim, Small)
{
    uint_fast32_t seed = 41921095;
    EXPECT_TRUE(test_gf2_elim(5, 7, 6, 8, seed));
}

TEST(TestGF2Elim, Mediem)
{
    uint_fast32_t seed = 41921095;
    EXPECT_TRUE(test_gf2_elim(50, 70, 60, 80, seed));
    EXPECT_TRUE(test_gf2_elim(500, 700, 600, 800, seed));
}