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// Copyright 2020 The Tint Authors.
//
// 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.
#include "src/tint/lang/spirv/writer/common/instruction.h"
#include <string>
#include "gtest/gtest.h"
namespace tint::spirv::writer {
namespace {
using SpirvWriterInstructionTest = testing::Test;
TEST_F(SpirvWriterInstructionTest, Create) {
Instruction i(spv::Op::OpEntryPoint, {Operand(1.2f), Operand(1u), Operand("my_str")});
EXPECT_EQ(i.opcode(), spv::Op::OpEntryPoint);
ASSERT_EQ(i.operands().size(), 3u);
const auto& ops = i.operands();
ASSERT_TRUE(std::holds_alternative<float>(ops[0]));
EXPECT_FLOAT_EQ(std::get<float>(ops[0]), 1.2f);
ASSERT_TRUE(std::holds_alternative<uint32_t>(ops[1]));
EXPECT_EQ(std::get<uint32_t>(ops[1]), 1u);
ASSERT_TRUE(std::holds_alternative<std::string>(ops[2]));
EXPECT_EQ(std::get<std::string>(ops[2]), "my_str");
}
TEST_F(SpirvWriterInstructionTest, Length) {
Instruction i(spv::Op::OpEntryPoint, {Operand(1.2f), Operand(1u), Operand("my_str")});
EXPECT_EQ(i.word_length(), 5u);
}
} // namespace
} // namespace tint::spirv::writer