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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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 "common_test_environment.h"
#include "file_content_manipulations.h"
#include "trace.h"
#include "symbol_searcher.h"
#include "memory_pool_for_symbol_searcher_internals.h"
#include <limits>
extern std::unique_ptr<Trace> GlobalTrace;
namespace backstage
{
struct CallocStub : public TestEnv
{
CallocStub() : TestEnv("calloc_interception_test.log") {}
};
TEST_F(CallocStub, must_allocate_space_as_standard_calloc)
{
std::array<char, 128 * 4> reference_data;
reference_data.fill(0);
void *p = calloc(128, 4);
ASSERT_TRUE(p);
ASSERT_TRUE(memcmp(p, reference_data.data(), reference_data.size()) == 0);
free(p);
}
TEST_F(CallocStub, must_log_allocation_events_if_trace_is_ready_for_it)
{
GlobalTrace.reset();
void *p1 = calloc(1024, 4);
GlobalTrace.reset(new Trace);
void *p2 = calloc(128, 4);
void *p3 = calloc(64, 4);
GlobalTrace.reset();
ASSERT_TRUE(p1 && p2 && p3);
ASSERT_STREQ(getContentOfFile("calloc_interception_test.log").c_str(),
"On CPU - Peak heap usage: 768 B, Total allocated: 768 B, Total deallocated: 0 "
"B\nOn GPU - Peak mem usage: 0 B, Total allocated: 0 B, Total deallocated: 0 B\n");
free(p1);
free(p2);
free(p3);
}
TEST_F(CallocStub, must_not_do_the_record_about_allocation_event_if_original_function_failed)
{
void *p = calloc(1, std::numeric_limits<size_t>::max());
GlobalTrace.reset();
ASSERT_FALSE(p);
ASSERT_STREQ(getContentOfFile("calloc_interception_test.log").c_str(),
"On CPU - Peak heap usage: 0 B, Total allocated: 0 B, Total deallocated: 0 B\nOn "
"GPU - Peak mem usage: 0 B, Total allocated: 0 B, Total deallocated: 0 B\n");
}
TEST_F(CallocStub, should_allocate_memory_from_pool_for_symbol_searcher_internal_usage_if_need)
{
signalizeThatNextAllocationsWillBeForSymbolSearcherInternalUsage();
void *p = calloc(10, 102);
signalizeThatSymbolSearcherEndedOfWork();
GlobalTrace.reset();
MemoryPoolForSymbolSearcherInternals pool;
ASSERT_TRUE(p);
ASSERT_TRUE(pool.containsMemorySpaceStartedFromPointer(p));
ASSERT_STREQ(getContentOfFile("calloc_interception_test.log").c_str(),
"On CPU - Peak heap usage: 0 B, Total allocated: 0 B, Total deallocated: 0 B\nOn "
"GPU - Peak mem usage: 0 B, Total allocated: 0 B, Total deallocated: 0 B\n");
}
} // namespace backstage
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