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/* Copyright (c) 2009, 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.
*
* ---
* Author: Craig Silverstein
*
* This tests the c shims: malloc_extension_c.h and malloc_hook_c.h.
* Mostly, we'll just care that these shims compile under gcc
* (*not* g++!)
*
* NOTE: this is C code, not C++ code!
*/
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h> /* for size_t */
#include <gperftools/malloc_extension_c.h>
#include <gperftools/malloc_hook_c.h>
#define FAIL(msg) do { \
fprintf(stderr, "FATAL ERROR: %s\n", msg); \
exit(1); \
} while (0)
static int g_new_hook_calls = 0;
static int g_delete_hook_calls = 0;
void TestNewHook(const void* ptr, size_t size) {
g_new_hook_calls++;
}
void TestDeleteHook(const void* ptr) {
g_delete_hook_calls++;
}
static
void *forced_malloc(size_t size)
{
void *rv = malloc(size);
if (!rv) {
FAIL("malloc is not supposed to fail here");
}
return rv;
}
void TestMallocHook(void) {
/* TODO(csilvers): figure out why we get:
* E0100 00:00:00.000000 7383 malloc_hook.cc:244] RAW: google_malloc section is missing, thus InHookCaller is broken!
*/
#if 0
void* result[5];
if (MallocHook_GetCallerStackTrace(result, sizeof(result)/sizeof(*result),
0) < 2) { /* should have this and main */
FAIL("GetCallerStackTrace failed");
}
#endif
if (!MallocHook_AddNewHook(&TestNewHook)) {
FAIL("Failed to add new hook");
}
if (!MallocHook_AddDeleteHook(&TestDeleteHook)) {
FAIL("Failed to add delete hook");
}
free(forced_malloc(10));
free(forced_malloc(20));
if (g_new_hook_calls != 2) {
FAIL("Wrong number of calls to the new hook");
}
if (g_delete_hook_calls != 2) {
FAIL("Wrong number of calls to the delete hook");
}
if (!MallocHook_RemoveNewHook(&TestNewHook)) {
FAIL("Failed to remove new hook");
}
if (!MallocHook_RemoveDeleteHook(&TestDeleteHook)) {
FAIL("Failed to remove delete hook");
}
}
void TestMallocExtension(void) {
int blocks;
size_t total;
int hist[64];
char buffer[200];
char* x = (char*)malloc(10);
MallocExtension_VerifyAllMemory();
MallocExtension_VerifyMallocMemory(x);
MallocExtension_MallocMemoryStats(&blocks, &total, hist);
MallocExtension_GetStats(buffer, sizeof(buffer));
if (!MallocExtension_GetNumericProperty("generic.current_allocated_bytes",
&total)) {
FAIL("GetNumericProperty failed for generic.current_allocated_bytes");
}
if (total < 10) {
FAIL("GetNumericProperty had bad return for generic.current_allocated_bytes");
}
if (!MallocExtension_GetNumericProperty("generic.current_allocated_bytes",
&total)) {
FAIL("GetNumericProperty failed for generic.current_allocated_bytes");
}
MallocExtension_MarkThreadIdle();
MallocExtension_MarkThreadBusy();
MallocExtension_ReleaseToSystem(1);
MallocExtension_ReleaseFreeMemory();
if (MallocExtension_GetEstimatedAllocatedSize(10) < 10) {
FAIL("GetEstimatedAllocatedSize returned a bad value (too small)");
}
if (MallocExtension_GetAllocatedSize(x) < 10) {
FAIL("GetEstimatedAllocatedSize returned a bad value (too small)");
}
if (MallocExtension_GetOwnership(x) != MallocExtension_kOwned) {
FAIL("DidAllocatePtr returned a bad value (kNotOwned)");
}
/* TODO(csilvers): this relies on undocumented behavior that
GetOwnership works on stack-allocated variables. Use a better test. */
if (MallocExtension_GetOwnership(hist) != MallocExtension_kNotOwned) {
FAIL("DidAllocatePtr returned a bad value (kOwned)");
}
free(x);
}
int main(int argc, char** argv) {
TestMallocHook();
TestMallocExtension();
printf("PASS\n");
return 0;
}
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