//===------- Offload API tests - olCreateProgram --------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "../common/Fixtures.hpp"
#include <OffloadAPI.h>
#include <gtest/gtest.h>

using olCreateProgramTest = OffloadDeviceTest;
OFFLOAD_TESTS_INSTANTIATE_DEVICE_FIXTURE(olCreateProgramTest);

TEST_P(olCreateProgramTest, Success) {
  std::unique_ptr<llvm::MemoryBuffer> DeviceBin;
  ASSERT_TRUE(TestEnvironment::loadDeviceBinary("foo", Device, DeviceBin));
  ASSERT_GE(DeviceBin->getBufferSize(), 0lu);

  ol_program_handle_t Program;
  ASSERT_SUCCESS(olCreateProgram(Device, DeviceBin->getBufferStart(),
                                 DeviceBin->getBufferSize(), &Program));
  ASSERT_NE(Program, nullptr);

  ASSERT_SUCCESS(olDestroyProgram(Program));
}

TEST_P(olCreateProgramTest, NullDeviceHandle) {
  std::unique_ptr<llvm::MemoryBuffer> DeviceBin;
  ASSERT_TRUE(TestEnvironment::loadDeviceBinary("foo", Device, DeviceBin));
  ASSERT_GE(DeviceBin->getBufferSize(), 0lu);

  ol_program_handle_t Program;
  ASSERT_ERROR(OL_ERRC_INVALID_NULL_HANDLE,
               olCreateProgram(nullptr, DeviceBin->getBufferStart(),
                               DeviceBin->getBufferSize(), &Program));
}

TEST_P(olCreateProgramTest, NullProgData) {
  std::unique_ptr<llvm::MemoryBuffer> DeviceBin;
  ASSERT_TRUE(TestEnvironment::loadDeviceBinary("foo", Device, DeviceBin));
  ASSERT_GE(DeviceBin->getBufferSize(), 0lu);

  ol_program_handle_t Program;
  ASSERT_ERROR(
      OL_ERRC_INVALID_NULL_POINTER,
      olCreateProgram(Device, nullptr, DeviceBin->getBufferSize(), &Program));
}

TEST_P(olCreateProgramTest, NullOutputProgram) {
  std::unique_ptr<llvm::MemoryBuffer> DeviceBin;
  ASSERT_TRUE(TestEnvironment::loadDeviceBinary("foo", Device, DeviceBin));
  ASSERT_GE(DeviceBin->getBufferSize(), 0lu);

  ASSERT_ERROR(OL_ERRC_INVALID_NULL_POINTER,
               olCreateProgram(Device, DeviceBin->getBufferStart(),
                               DeviceBin->getBufferSize(), nullptr));
}

TEST_P(olCreateProgramTest, ZeroSizeBinary) {
  std::unique_ptr<llvm::MemoryBuffer> DeviceBin;
  ASSERT_TRUE(TestEnvironment::loadDeviceBinary("foo", Device, DeviceBin));
  ASSERT_GT(DeviceBin->getBufferSize(), 0lu);

  ol_program_handle_t Program = nullptr;

  // backend rejection of a binary is not guaranteed to map to a specific
  // ol_errc_t, so we ASSERT_ANY_ERROR for now
  ASSERT_ANY_ERROR(
      olCreateProgram(Device, DeviceBin->getBufferStart(), 0, &Program));
  ASSERT_EQ(Program, nullptr);
}

TEST_P(olCreateProgramTest, InvalidBinary) {
  const char InvalidBinary[] = "not an offload binary";

  ol_program_handle_t Program = nullptr;
  ASSERT_ANY_ERROR(olCreateProgram(Device, InvalidBinary,
                                   sizeof(InvalidBinary) - 1, &Program));
  ASSERT_EQ(Program, nullptr);
}