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#include "src/tint/lang/core/type/helper_test.h"
#include "src/tint/lang/core/type/texture.h"

namespace tint::core::type {
namespace {

using MatrixTest = TestHelper;

TEST_F(MatrixTest, Creation) {
    auto* a = create<Matrix>(create<Vector>(create<I32>(), 3u), 4u);
    auto* b = create<Matrix>(create<Vector>(create<I32>(), 3u), 4u);
    auto* c = create<Matrix>(create<Vector>(create<F32>(), 3u), 4u);
    auto* d = create<Matrix>(create<Vector>(create<I32>(), 2u), 4u);
    auto* e = create<Matrix>(create<Vector>(create<I32>(), 3u), 2u);

    EXPECT_EQ(a->type(), create<I32>());
    EXPECT_EQ(a->rows(), 3u);
    EXPECT_EQ(a->columns(), 4u);

    EXPECT_EQ(a, b);
    EXPECT_NE(a, c);
    EXPECT_NE(a, d);
    EXPECT_NE(a, e);
}

TEST_F(MatrixTest, Hash) {
    auto* a = create<Matrix>(create<Vector>(create<I32>(), 3u), 4u);
    auto* b = create<Matrix>(create<Vector>(create<I32>(), 3u), 4u);

    EXPECT_EQ(a->unique_hash, b->unique_hash);
}

TEST_F(MatrixTest, Equals) {
    auto* a = create<Matrix>(create<Vector>(create<I32>(), 3u), 4u);
    auto* b = create<Matrix>(create<Vector>(create<I32>(), 3u), 4u);
    auto* c = create<Matrix>(create<Vector>(create<F32>(), 3u), 4u);
    auto* d = create<Matrix>(create<Vector>(create<I32>(), 2u), 4u);
    auto* e = create<Matrix>(create<Vector>(create<I32>(), 3u), 2u);

    EXPECT_TRUE(a->Equals(*b));
    EXPECT_FALSE(a->Equals(*c));
    EXPECT_FALSE(a->Equals(*d));
    EXPECT_FALSE(a->Equals(*e));
    EXPECT_FALSE(a->Equals(Void{}));
}

TEST_F(MatrixTest, FriendlyName) {
    I32 i32;
    Vector c{&i32, 3};
    Matrix m{&c, 2};
    EXPECT_EQ(m.FriendlyName(), "mat2x3<i32>");
}

TEST_F(MatrixTest, Clone) {
    auto* a = create<Matrix>(create<Vector>(create<I32>(), 3u), 4u);

    core::type::Manager mgr;
    core::type::CloneContext ctx{{nullptr}, {nullptr, &mgr}};

    auto* mat = a->Clone(ctx);
    EXPECT_TRUE(mat->type()->Is<I32>());
    EXPECT_EQ(mat->rows(), 3u);
    EXPECT_EQ(mat->columns(), 4u);
}

}  // namespace
}  // namespace tint::core::type