// Copyright (c) 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Validation tests for misc instructions

#include <string>
#include <vector>

#include "gmock/gmock.h"
#include "test/unit_spirv.h"
#include "test/val/val_fixtures.h"

namespace spvtools {
namespace val {
namespace {

using ::testing::Eq;
using ::testing::HasSubstr;

using ValidateMisc = spvtest::ValidateBase<bool>;

TEST_F(ValidateMisc, UndefRestrictedShort) {
  const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
%short = OpTypeInt 16 0
%undef = OpUndef %short
)";

  CompileSuccessfully(spirv);
  EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
  EXPECT_THAT(
      getDiagnosticString(),
      HasSubstr("Cannot create undefined values with 8- or 16-bit types"));
}

TEST_F(ValidateMisc, UndefRestrictedChar) {
  const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer8BitAccess
OpExtension "SPV_KHR_8bit_storage"
OpMemoryModel Logical GLSL450
%char = OpTypeInt 8 0
%undef = OpUndef %char
)";

  CompileSuccessfully(spirv);
  EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
  EXPECT_THAT(
      getDiagnosticString(),
      HasSubstr("Cannot create undefined values with 8- or 16-bit types"));
}

TEST_F(ValidateMisc, UndefRestrictedHalf) {
  const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
%half = OpTypeFloat 16
%undef = OpUndef %half
)";

  CompileSuccessfully(spirv);
  EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
  EXPECT_THAT(
      getDiagnosticString(),
      HasSubstr("Cannot create undefined values with 8- or 16-bit types"));
}
}  // namespace
}  // namespace val
}  // namespace spvtools