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// Copyright (c) 2010, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// static_address_map_unittest.cc: Unit tests for StaticAddressMap.
//
// Author: Siyang Xie (lambxsy@google.com)
#include <climits>
#include <cstdlib>
#include <ctime>
#include <string>
#include <iostream>
#include <sstream>
#include "breakpad_googletest_includes.h"
#include "processor/address_map-inl.h"
#include "processor/static_address_map-inl.h"
#include "processor/simple_serializer-inl.h"
#include "map_serializers-inl.h"
typedef google_breakpad::StaticAddressMap<int, char> TestMap;
typedef google_breakpad::AddressMap<int, std::string> AddrMap;
class TestStaticAddressMap : public ::testing::Test {
protected:
void SetUp() {
for (int testcase = 0; testcase < kNumberTestCases; ++testcase) {
testdata[testcase] = new int[testsize[testcase]];
}
// Test data set0: NULL (empty map)
// Test data set1: single element.
testdata[1][0] = 10;
// Test data set2: six elements.
const int tempdata[] = {5, 10, 14, 15, 16, 20};
for (int i = 0; i < testsize[2]; ++i)
testdata[2][i] = tempdata[i];
// Test data set3:
srand(time(NULL));
for (int i = 0; i < testsize[3]; ++i)
testdata[3][i] = rand();
// Setup maps.
std::stringstream sstream;
for (int testcase = 0; testcase < kNumberTestCases; ++testcase) {
for (int data_item = 0; data_item < testsize[testcase]; ++data_item) {
sstream.clear();
sstream << "test " << testdata[testcase][data_item];
addr_map[testcase].Store(testdata[testcase][data_item], sstream.str());
}
map_data[testcase] = serializer.Serialize(addr_map[testcase], NULL);
test_map[testcase] = TestMap(map_data[testcase]);
}
}
void TearDown() {
for (int i = 0; i < kNumberTestCases; ++i) {
delete map_data[i];
delete [] testdata[i];
}
}
void CompareRetrieveResult(int testcase, int target) {
int address;
int address_test;
std::string entry;
std::string entry_test;
const char *entry_cstring = NULL;
bool found;
bool found_test;
found = addr_map[testcase].Retrieve(target, &entry, &address);
found_test =
test_map[testcase].Retrieve(target, entry_cstring, &address_test);
ASSERT_EQ(found, found_test);
if (found && found_test) {
ASSERT_EQ(address, address_test);
entry_test = entry_cstring;
ASSERT_EQ(entry, entry_test);
}
}
void RetrieveTester(int testcase) {
int target;
target = INT_MIN;
CompareRetrieveResult(testcase, target);
target = INT_MAX;
CompareRetrieveResult(testcase, target);
srand(time(0));
for (int data_item = 0; data_item < testsize[testcase]; ++data_item) {
// Retrive (aka, search) for target address and compare results from
// AddressMap and StaticAddressMap.
// First, assign the search target to be one of original testdata that is
// known to exist in the map.
target = testdata[testcase][data_item];
CompareRetrieveResult(testcase, target);
// Then, add +2 / -1 bias to target value, in order to test searching for
// a target address not stored in the map.
target -= 1;
CompareRetrieveResult(testcase, target);
target += 3;
CompareRetrieveResult(testcase, target);
// Repeatedly test searching for random target addresses.
target = rand();
CompareRetrieveResult(testcase, target);
}
}
// Test data sets:
static const int kNumberTestCases = 4;
static const int testsize[];
int *testdata[kNumberTestCases];
AddrMap addr_map[kNumberTestCases];
TestMap test_map[kNumberTestCases];
char *map_data[kNumberTestCases];
google_breakpad::AddressMapSerializer<int, std::string> serializer;
};
const int TestStaticAddressMap::testsize[] = {0, 1, 6, 1000};
TEST_F(TestStaticAddressMap, TestEmptyMap) {
int testcase = 0;
int target;
target = INT_MIN;
CompareRetrieveResult(testcase, target);
target = INT_MAX;
CompareRetrieveResult(testcase, target);
for (int data_item = 0; data_item < testsize[testcase]; ++data_item) {
target = testdata[testcase][data_item];
CompareRetrieveResult(testcase, target);
target -= 1;
CompareRetrieveResult(testcase, target);
target += 3;
CompareRetrieveResult(testcase, target);
target = rand();
CompareRetrieveResult(testcase, target);
}
}
TEST_F(TestStaticAddressMap, TestOneElementMap) {
int testcase = 1;
int target;
target = INT_MIN;
CompareRetrieveResult(testcase, target);
target = INT_MAX;
CompareRetrieveResult(testcase, target);
for (int data_item = 0; data_item < testsize[testcase]; ++data_item) {
target = testdata[testcase][data_item];
CompareRetrieveResult(testcase, target);
target -= 1;
CompareRetrieveResult(testcase, target);
target += 3;
CompareRetrieveResult(testcase, target);
target = rand();
CompareRetrieveResult(testcase, target);
}
}
TEST_F(TestStaticAddressMap, TestSixElementsMap) {
int testcase = 2;
int target;
target = INT_MIN;
CompareRetrieveResult(testcase, target);
target = INT_MAX;
CompareRetrieveResult(testcase, target);
for (int data_item = 0; data_item < testsize[testcase]; ++data_item) {
target = testdata[testcase][data_item];
CompareRetrieveResult(testcase, target);
target -= 1;
CompareRetrieveResult(testcase, target);
target += 3;
CompareRetrieveResult(testcase, target);
target = rand();
CompareRetrieveResult(testcase, target);
}
}
TEST_F(TestStaticAddressMap, Test1000RandomElementsMap) {
int testcase = 3;
int target;
target = INT_MIN;
CompareRetrieveResult(testcase, target);
target = INT_MAX;
CompareRetrieveResult(testcase, target);
for (int data_item = 0; data_item < testsize[testcase]; ++data_item) {
target = testdata[testcase][data_item];
CompareRetrieveResult(testcase, target);
target -= 1;
CompareRetrieveResult(testcase, target);
target += 3;
CompareRetrieveResult(testcase, target);
target = rand();
CompareRetrieveResult(testcase, target);
}
}
int main(int argc, char *argv[]) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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