// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Materials.
//
// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
//    https://www.khronos.org/registry/
//
// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.

// Assembler tests for instructions in the "Memory Instructions" section of
// the SPIR-V spec.

#include "UnitSPIRV.h"

#include <sstream>

#include "gmock/gmock.h"
#include "TestFixture.h"

namespace {

using spvtest::EnumCase;
using spvtest::MakeInstruction;
using spvtest::TextToBinaryTest;
using ::testing::Eq;

// Test assembly of Memory Access masks

using MemoryAccessTest = spvtest::TextToBinaryTestBase<
    ::testing::TestWithParam<EnumCase<SpvMemoryAccessMask>>>;

TEST_P(MemoryAccessTest, AnySingleMemoryAccessMask) {
  std::stringstream input;
  input << "OpStore %ptr %value " << GetParam().name();
  for (auto operand : GetParam().operands()) input << " " << operand;
  EXPECT_THAT(CompiledInstructions(input.str()),
              Eq(MakeInstruction(SpvOpStore, {1, 2, GetParam().value()},
                                 GetParam().operands())));
}

INSTANTIATE_TEST_CASE_P(
    TextToBinaryMemoryAccessTest, MemoryAccessTest,
    ::testing::ValuesIn(std::vector<EnumCase<SpvMemoryAccessMask>>{
        {SpvMemoryAccessMaskNone, "None", {}},
        {SpvMemoryAccessVolatileMask, "Volatile", {}},
        {SpvMemoryAccessAlignedMask, "Aligned", {16}},
        {SpvMemoryAccessNontemporalMask, "Nontemporal", {}},
    }));

TEST_F(TextToBinaryTest, CombinedMemoryAccessMask) {
  const std::string input = "OpStore %ptr %value Volatile|Aligned 16";
  const uint32_t expected_mask =
      SpvMemoryAccessVolatileMask | SpvMemoryAccessAlignedMask;
  EXPECT_THAT(expected_mask, Eq(3u));
  EXPECT_THAT(CompiledInstructions(input),
              Eq(MakeInstruction(SpvOpStore, {1, 2, expected_mask, 16})));
}

// Test Storage Class enum values

using StorageClassTest = spvtest::TextToBinaryTestBase<
    ::testing::TestWithParam<EnumCase<SpvStorageClass>>>;

TEST_P(StorageClassTest, AnyStorageClass) {
  const std::string input = "%1 = OpVariable %2 " + GetParam().name();
  EXPECT_THAT(CompiledInstructions(input),
              Eq(MakeInstruction(SpvOpVariable, {1, 2, GetParam().value()})));
}

// clang-format off
#define CASE(NAME) { SpvStorageClass##NAME, #NAME, {} }
INSTANTIATE_TEST_CASE_P(
    TextToBinaryStorageClassTest, StorageClassTest,
    ::testing::ValuesIn(std::vector<EnumCase<SpvStorageClass>>{
        CASE(UniformConstant),
        CASE(Input),
        CASE(Uniform),
        CASE(Output),
        CASE(Workgroup),
        CASE(CrossWorkgroup),
        CASE(Private),
        CASE(Function),
        CASE(Generic),
        CASE(PushConstant),
        CASE(AtomicCounter),
        CASE(Image),
    }));
#undef CASE
// clang-format on

// TODO(dneto): OpVariable with initializers
// TODO(dneto): OpImageTexelPointer
// TODO(dneto): OpLoad
// TODO(dneto): OpStore
// TODO(dneto): OpCopyMemory
// TODO(dneto): OpCopyMemorySized
// TODO(dneto): OpAccessChain
// TODO(dneto): OpInBoundsAccessChain
// TODO(dneto): OpPtrAccessChain
// TODO(dneto): OpArrayLength
// TODO(dneto): OpGenercPtrMemSemantics

}  // anonymous namespace