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#include <gtest/gtest.h>

#include "TestFixture.h"

namespace glslangtest {
namespace {

struct FileNameEntryPointPair {
  const char* fileName;
  const char* entryPoint;
};

// We are using FileNameEntryPointPair objects as parameters for instantiating
// the template, so the global FileNameAsCustomTestSuffix() won't work since
// it assumes std::string as parameters. Thus, an overriding one here.
std::string FileNameAsCustomTestSuffix(
    const ::testing::TestParamInfo<FileNameEntryPointPair>& info) {
    std::string name = info.param.fileName;
    // A valid test case suffix cannot have '.' and '-' inside.
    std::replace(name.begin(), name.end(), '.', '_');
    std::replace(name.begin(), name.end(), '-', '_');
    return name;
}

using HlslCompileTest = GlslangTest<::testing::TestWithParam<FileNameEntryPointPair>>;

// Compiling HLSL to SPIR-V under Vulkan semantics. Expected to successfully
// generate SPIR-V.
TEST_P(HlslCompileTest, FromFile)
{
    loadFileCompileAndCheck(GLSLANG_TEST_DIRECTORY, GetParam().fileName,
                            Source::HLSL, Semantics::Vulkan,
                            Target::BothASTAndSpv, GetParam().entryPoint);
}

// clang-format off
INSTANTIATE_TEST_CASE_P(
    ToSpirv, HlslCompileTest,
    ::testing::ValuesIn(std::vector<FileNameEntryPointPair>{
        {"hlsl.assoc.frag", "PixelShaderFunction"},
        {"hlsl.float4.frag", "PixelShaderFunction"},
        {"hlsl.max.frag", "PixelShaderFunction"},
        {"hlsl.precedence.frag", "PixelShaderFunction"},
        {"hlsl.precedence2.frag", "PixelShaderFunction"},
        {"hlsl.sin.frag", "PixelShaderFunction"},
    }),
    FileNameAsCustomTestSuffix
);
// clang-format on

}  // anonymous namespace
}  // namespace glslangtest