You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
3.5 KiB
114 lines
3.5 KiB
/*
|
|
* Copyright (C) 2015 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 <gtest/gtest.h>
|
|
|
|
#include "Pointers.h"
|
|
|
|
TEST(PointersTest, smoke) {
|
|
Pointers pointers(1);
|
|
|
|
pointers.Add(0x1234, reinterpret_cast<void*>(0xabcd));
|
|
void* memory_pointer = pointers.Remove(0x1234);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0xabcd), memory_pointer);
|
|
}
|
|
|
|
TEST(PointersTest, readd_pointer) {
|
|
Pointers pointers(1);
|
|
|
|
pointers.Add(0x1234, reinterpret_cast<void*>(0xabcd));
|
|
void* memory_pointer = pointers.Remove(0x1234);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0xabcd), memory_pointer);
|
|
pointers.Add(0x1234, reinterpret_cast<void*>(0x5555));
|
|
memory_pointer = pointers.Remove(0x1234);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0x5555), memory_pointer);
|
|
}
|
|
|
|
|
|
TEST(PointersTest, expect_collision) {
|
|
Pointers pointers(2);
|
|
|
|
// This assumes the simple hash being used will result in a collision
|
|
// hitting the same entry.
|
|
pointers.Add(0x1234, reinterpret_cast<void*>(0xabcd));
|
|
pointers.Add(0x11234, reinterpret_cast<void*>(0xabcf));
|
|
void* memory_pointer = pointers.Remove(0x11234);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0xabcf), memory_pointer);
|
|
memory_pointer = pointers.Remove(0x1234);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0xabcd), memory_pointer);
|
|
}
|
|
|
|
TEST(PointersTest, multiple_add_removes) {
|
|
Pointers pointers(4);
|
|
|
|
pointers.Add(0x1234, reinterpret_cast<void*>(0xabcd));
|
|
pointers.Add(0x1235, reinterpret_cast<void*>(0xabcf));
|
|
pointers.Add(0x1236, reinterpret_cast<void*>(0xabc1));
|
|
pointers.Add(0x1237, reinterpret_cast<void*>(0xabc2));
|
|
|
|
void* memory_pointer = pointers.Remove(0x1236);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0xabc1), memory_pointer);
|
|
|
|
pointers.Add(0x2349, reinterpret_cast<void*>(0x2abcd));
|
|
|
|
memory_pointer = pointers.Remove(0x1234);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0xabcd), memory_pointer);
|
|
memory_pointer = pointers.Remove(0x1237);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0xabc2), memory_pointer);
|
|
|
|
pointers.Add(0x3500, reinterpret_cast<void*>(0x3abcd));
|
|
|
|
memory_pointer = pointers.Remove(0x3500);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0x3abcd), memory_pointer);
|
|
memory_pointer = pointers.Remove(0x2349);
|
|
ASSERT_EQ(reinterpret_cast<void*>(0x2abcd), memory_pointer);
|
|
}
|
|
|
|
static void TestNoEntriesLeft() {
|
|
Pointers pointers(1);
|
|
|
|
// Even though we've requested only one pointer, we get more due
|
|
// to the way the data is allocated.
|
|
for (size_t i = 0; i <= pointers.max_pointers(); i++) {
|
|
pointers.Add(0x1234 + i, reinterpret_cast<void*>(0xabcd + i));
|
|
}
|
|
}
|
|
|
|
TEST(PointersTest_DeathTest, no_entries_left) {
|
|
ASSERT_EXIT(TestNoEntriesLeft(), ::testing::ExitedWithCode(1), "");
|
|
}
|
|
|
|
static void TestFindNoPointer() {
|
|
Pointers pointers(1);
|
|
|
|
pointers.Remove(0x1234);
|
|
}
|
|
|
|
TEST(PointersTest_DeathTest, find_no_pointer) {
|
|
ASSERT_EXIT(TestFindNoPointer(), ::testing::ExitedWithCode(1), "");
|
|
}
|
|
|
|
static void TestRemoveZeroValue() {
|
|
Pointers pointers(1);
|
|
|
|
void* memory = pointers.Remove(0);
|
|
if (memory) {}
|
|
}
|
|
|
|
TEST(PointersTest_DeathTest, remove_zero_value) {
|
|
ASSERT_EXIT(TestRemoveZeroValue(), ::testing::ExitedWithCode(1), "");
|
|
}
|