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/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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 <stdint.h>
#include <gtest/gtest.h>
#include <unwindstack/Regs.h>
#include "RegsFake.h"
#include "RegsInfo.h"
namespace unwindstack {
TEST(RegsInfoTest, single_uint32_t) {
RegsImplFake<uint32_t> regs(10);
RegsInfo<uint32_t> info(®s);
regs[1] = 0x100;
ASSERT_FALSE(info.IsSaved(1));
ASSERT_EQ(0x100U, info.Get(1));
ASSERT_EQ(10, info.Total());
uint32_t* value = info.Save(1);
ASSERT_EQ(value, ®s[1]);
regs[1] = 0x200;
ASSERT_TRUE(info.IsSaved(1));
ASSERT_EQ(0x100U, info.Get(1));
ASSERT_EQ(0x200U, regs[1]);
}
TEST(RegsInfoTest, single_uint64_t) {
RegsImplFake<uint64_t> regs(20);
RegsInfo<uint64_t> info(®s);
regs[3] = 0x300;
ASSERT_FALSE(info.IsSaved(3));
ASSERT_EQ(0x300U, info.Get(3));
ASSERT_EQ(20, info.Total());
uint64_t* value = info.Save(3);
ASSERT_EQ(value, ®s[3]);
regs[3] = 0x400;
ASSERT_TRUE(info.IsSaved(3));
ASSERT_EQ(0x300U, info.Get(3));
ASSERT_EQ(0x400U, regs[3]);
}
TEST(RegsInfoTest, all) {
RegsImplFake<uint64_t> regs(64);
RegsInfo<uint64_t> info(®s);
for (uint32_t i = 0; i < 64; i++) {
regs[i] = i * 0x100;
ASSERT_EQ(i * 0x100, info.Get(i)) << "Reg " + std::to_string(i) + " failed.";
}
for (uint32_t i = 0; i < 64; i++) {
ASSERT_FALSE(info.IsSaved(i)) << "Reg " + std::to_string(i) + " failed.";
uint64_t* reg = info.Save(i);
ASSERT_EQ(reg, ®s[i]) << "Reg " + std::to_string(i) + " failed.";
*reg = i * 0x1000 + 0x100;
ASSERT_EQ(i * 0x1000 + 0x100, regs[i]) << "Reg " + std::to_string(i) + " failed.";
}
for (uint32_t i = 0; i < 64; i++) {
ASSERT_TRUE(info.IsSaved(i)) << "Reg " + std::to_string(i) + " failed.";
ASSERT_EQ(i * 0x100, info.Get(i)) << "Reg " + std::to_string(i) + " failed.";
}
}
} // namespace unwindstack
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