97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
/*
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* Copyright (C) 2017 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 <string.h>
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#include <string>
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#include <vector>
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#include <gtest/gtest.h>
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#include <unwindstack/Memory.h>
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#include "MemoryFake.h"
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namespace unwindstack {
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TEST(MemoryTest, read32) {
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MemoryFakeAlwaysReadZero memory;
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uint32_t data = 0xffffffff;
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ASSERT_TRUE(memory.Read32(0, &data));
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ASSERT_EQ(0U, data);
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}
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TEST(MemoryTest, read64) {
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MemoryFakeAlwaysReadZero memory;
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uint64_t data = 0xffffffffffffffffULL;
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ASSERT_TRUE(memory.Read64(0, &data));
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ASSERT_EQ(0U, data);
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}
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struct FakeStruct {
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int one;
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bool two;
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uint32_t three;
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uint64_t four;
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};
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TEST(MemoryTest, read_string) {
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std::string name("string_in_memory");
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MemoryFake memory;
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memory.SetMemory(100, name.c_str(), name.size() + 1);
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std::string dst_name;
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ASSERT_TRUE(memory.ReadString(100, &dst_name));
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ASSERT_EQ("string_in_memory", dst_name);
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ASSERT_TRUE(memory.ReadString(107, &dst_name));
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ASSERT_EQ("in_memory", dst_name);
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// Set size greater than string.
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ASSERT_TRUE(memory.ReadString(107, &dst_name, 10));
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ASSERT_EQ("in_memory", dst_name);
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ASSERT_FALSE(memory.ReadString(107, &dst_name, 9));
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}
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TEST(MemoryTest, read_string_error) {
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std::string name("short");
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MemoryFake memory;
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// Save everything except the terminating '\0'.
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memory.SetMemory(0, name.c_str(), name.size());
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std::string dst_name;
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// Read from a non-existant address.
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ASSERT_FALSE(memory.ReadString(100, &dst_name));
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// This should fail because there is no terminating '\0'.
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ASSERT_FALSE(memory.ReadString(0, &dst_name));
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// This should pass because there is a terminating '\0'.
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memory.SetData8(name.size(), '\0');
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ASSERT_TRUE(memory.ReadString(0, &dst_name));
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ASSERT_EQ("short", dst_name);
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}
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} // namespace unwindstack
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