86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#include <gtest/gtest.h>
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#include <unwindstack/Regs.h>
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#include "RegsFake.h"
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#include "RegsInfo.h"
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namespace unwindstack {
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TEST(RegsInfoTest, single_uint32_t) {
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RegsImplFake<uint32_t> regs(10);
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RegsInfo<uint32_t> info(®s);
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regs[1] = 0x100;
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ASSERT_FALSE(info.IsSaved(1));
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ASSERT_EQ(0x100U, info.Get(1));
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ASSERT_EQ(10, info.Total());
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uint32_t* value = info.Save(1);
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ASSERT_EQ(value, ®s[1]);
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regs[1] = 0x200;
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ASSERT_TRUE(info.IsSaved(1));
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ASSERT_EQ(0x100U, info.Get(1));
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ASSERT_EQ(0x200U, regs[1]);
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}
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TEST(RegsInfoTest, single_uint64_t) {
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RegsImplFake<uint64_t> regs(20);
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RegsInfo<uint64_t> info(®s);
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regs[3] = 0x300;
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ASSERT_FALSE(info.IsSaved(3));
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ASSERT_EQ(0x300U, info.Get(3));
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ASSERT_EQ(20, info.Total());
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uint64_t* value = info.Save(3);
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ASSERT_EQ(value, ®s[3]);
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regs[3] = 0x400;
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ASSERT_TRUE(info.IsSaved(3));
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ASSERT_EQ(0x300U, info.Get(3));
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ASSERT_EQ(0x400U, regs[3]);
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}
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TEST(RegsInfoTest, all) {
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RegsImplFake<uint64_t> regs(64);
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RegsInfo<uint64_t> info(®s);
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for (uint32_t i = 0; i < 64; i++) {
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regs[i] = i * 0x100;
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ASSERT_EQ(i * 0x100, info.Get(i)) << "Reg " + std::to_string(i) + " failed.";
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}
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for (uint32_t i = 0; i < 64; i++) {
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ASSERT_FALSE(info.IsSaved(i)) << "Reg " + std::to_string(i) + " failed.";
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uint64_t* reg = info.Save(i);
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ASSERT_EQ(reg, ®s[i]) << "Reg " + std::to_string(i) + " failed.";
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*reg = i * 0x1000 + 0x100;
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ASSERT_EQ(i * 0x1000 + 0x100, regs[i]) << "Reg " + std::to_string(i) + " failed.";
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}
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for (uint32_t i = 0; i < 64; i++) {
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ASSERT_TRUE(info.IsSaved(i)) << "Reg " + std::to_string(i) + " failed.";
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ASSERT_EQ(i * 0x100, info.Get(i)) << "Reg " + std::to_string(i) + " failed.";
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}
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}
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} // namespace unwindstack
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