124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
// Copyright 2015 Open Source Robotics Foundation, Inc.
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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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#include <gtest/gtest.h>
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#include "./memory_tools.hpp"
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/* Tests the allocatation checking tools.
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*/
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TEST(TestMemoryTools, test_allocation_checking_tools) {
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size_t unexpected_mallocs = 0;
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auto on_unexpected_malloc = ([&unexpected_mallocs]() {
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unexpected_mallocs++;
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});
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set_on_unepexcted_malloc_callback(on_unexpected_malloc);
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size_t unexpected_reallocs = 0;
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auto on_unexpected_realloc = ([&unexpected_reallocs]() {
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unexpected_reallocs++;
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});
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set_on_unepexcted_realloc_callback(on_unexpected_realloc);
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size_t unexpected_frees = 0;
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auto on_unexpected_free = ([&unexpected_frees]() {
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unexpected_frees++;
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});
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set_on_unepexcted_free_callback(on_unexpected_free);
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void * mem = nullptr;
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// First try before enabling, should have no effect.
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mem = malloc(1024);
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ASSERT_NE(mem, nullptr);
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mem = realloc(mem, 2048);
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ASSERT_NE(mem, nullptr);
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free(mem);
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EXPECT_EQ(unexpected_mallocs, 0);
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EXPECT_EQ(unexpected_reallocs, 0);
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EXPECT_EQ(unexpected_frees, 0);
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// Enable checking, but no assert, should have no effect.
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start_memory_checking();
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mem = malloc(1024);
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ASSERT_NE(mem, nullptr);
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mem = realloc(mem, 2048);
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ASSERT_NE(mem, nullptr);
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free(mem);
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EXPECT_EQ(unexpected_mallocs, 0);
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EXPECT_EQ(unexpected_reallocs, 0);
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EXPECT_EQ(unexpected_frees, 0);
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// Enable no_* asserts, should increment all once.
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assert_no_malloc_begin();
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assert_no_realloc_begin();
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assert_no_free_begin();
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mem = malloc(1024);
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assert_no_malloc_end();
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ASSERT_NE(mem, nullptr);
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mem = realloc(mem, 2048);
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assert_no_realloc_end();
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ASSERT_NE(mem, nullptr);
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free(mem);
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assert_no_free_end();
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EXPECT_EQ(unexpected_mallocs, 1);
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EXPECT_EQ(unexpected_reallocs, 1);
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EXPECT_EQ(unexpected_frees, 1);
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// Enable on malloc assert, only malloc should increment.
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assert_no_malloc_begin();
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mem = malloc(1024);
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assert_no_malloc_end();
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ASSERT_NE(mem, nullptr);
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mem = realloc(mem, 2048);
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ASSERT_NE(mem, nullptr);
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free(mem);
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EXPECT_EQ(unexpected_mallocs, 2);
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EXPECT_EQ(unexpected_reallocs, 1);
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EXPECT_EQ(unexpected_frees, 1);
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// Enable on realloc assert, only realloc should increment.
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assert_no_realloc_begin();
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mem = malloc(1024);
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ASSERT_NE(mem, nullptr);
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mem = realloc(mem, 2048);
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assert_no_realloc_end();
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ASSERT_NE(mem, nullptr);
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free(mem);
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EXPECT_EQ(unexpected_mallocs, 2);
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EXPECT_EQ(unexpected_reallocs, 2);
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EXPECT_EQ(unexpected_frees, 1);
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// Enable on free assert, only free should increment.
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assert_no_free_begin();
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mem = malloc(1024);
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ASSERT_NE(mem, nullptr);
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mem = realloc(mem, 2048);
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ASSERT_NE(mem, nullptr);
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free(mem);
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assert_no_free_end();
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EXPECT_EQ(unexpected_mallocs, 2);
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EXPECT_EQ(unexpected_reallocs, 2);
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EXPECT_EQ(unexpected_frees, 2);
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// Go again, after disabling asserts, should have no effect.
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mem = malloc(1024);
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ASSERT_NE(mem, nullptr);
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mem = realloc(mem, 2048);
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ASSERT_NE(mem, nullptr);
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free(mem);
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EXPECT_EQ(unexpected_mallocs, 2);
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EXPECT_EQ(unexpected_reallocs, 2);
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EXPECT_EQ(unexpected_frees, 2);
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// Go once more after disabling everything, should have no effect.
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stop_memory_checking();
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mem = malloc(1024);
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ASSERT_NE(mem, nullptr);
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mem = realloc(mem, 2048);
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ASSERT_NE(mem, nullptr);
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free(mem);
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EXPECT_EQ(unexpected_mallocs, 2);
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EXPECT_EQ(unexpected_reallocs, 2);
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EXPECT_EQ(unexpected_frees, 2);
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}
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