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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/common/common.h>
#include <aws/testing/aws_test_harness.h>
#ifdef __MACH__
# include <CoreFoundation/CoreFoundation.h>
#endif
static size_t s_alloc_counter, s_alloc_total_size, s_call_ct_malloc, s_call_ct_free, s_call_ct_realloc;
static void *s_test_alloc_acquire(struct aws_allocator *allocator, size_t size) {
(void)allocator;
s_alloc_counter++;
s_call_ct_malloc++;
s_alloc_total_size += size;
uint8_t *buf = malloc(size + 16);
*(size_t *)buf = size;
buf += 16;
return buf;
}
static void s_test_alloc_release(struct aws_allocator *allocator, void *ptr) {
(void)allocator;
uint8_t *buf = ptr;
s_call_ct_free++;
buf -= 16;
size_t old_size = *(size_t *)buf;
s_alloc_counter--;
s_alloc_total_size -= old_size;
free(buf);
}
static size_t s_original_size, s_reported_oldsize;
static void *s_test_realloc(struct aws_allocator *allocator, void *ptr, size_t oldsize, size_t newsize) {
(void)allocator;
uint8_t *buf = ptr;
buf -= 16;
s_call_ct_realloc++;
s_original_size = *(size_t *)buf;
s_reported_oldsize = oldsize;
/* Always pick a new pointer for test purposes */
void *newbuf = malloc(newsize);
if (!newbuf) {
abort();
}
memcpy(newbuf, buf, 16 + (oldsize > newsize ? newsize : oldsize));
free(buf);
buf = newbuf;
*(size_t *)buf = newsize;
s_alloc_total_size += (newsize - oldsize);
return buf + 16;
}
static const uint8_t TEST_PATTERN[32] = {0xa5, 0x41, 0xcb, 0xe7, 0x00, 0x19, 0xd9, 0xf3, 0x60, 0x4a, 0x2b,
0x68, 0x55, 0x46, 0xb7, 0xe0, 0x74, 0x91, 0x2a, 0xbe, 0x5e, 0x41,
0x06, 0x39, 0x02, 0x02, 0xf6, 0x79, 0x1c, 0x4a, 0x08, 0xa9};
AWS_TEST_CASE(test_realloc_fallback, s_test_realloc_fallback_fn)
static int s_test_realloc_fallback_fn(struct aws_allocator *allocator, void *ctx) {
(void)allocator;
(void)ctx;
struct aws_allocator test_allocator = {
.mem_acquire = s_test_alloc_acquire,
.mem_release = s_test_alloc_release,
.mem_realloc = NULL,
};
s_call_ct_malloc = s_call_ct_free = s_call_ct_realloc = 0;
void *buf = aws_mem_acquire(&test_allocator, 32);
void *oldbuf = buf;
memcpy(buf, TEST_PATTERN, 32);
ASSERT_SUCCESS(aws_mem_realloc(&test_allocator, &buf, 32, 64));
ASSERT_INT_EQUALS(s_call_ct_malloc, 2);
ASSERT_INT_EQUALS(s_call_ct_free, 1);
ASSERT_INT_EQUALS(s_alloc_counter, 1);
ASSERT_INT_EQUALS(s_alloc_total_size, 64);
ASSERT_INT_EQUALS(memcmp(buf, TEST_PATTERN, 32), 0);
ASSERT_FALSE(buf == oldbuf);
aws_mem_release(&test_allocator, buf);
return 0;
}
AWS_TEST_CASE(test_realloc_passthrough, s_test_realloc_passthrough_fn)
static int s_test_realloc_passthrough_fn(struct aws_allocator *allocator, void *ctx) {
(void)allocator;
(void)ctx;
struct aws_allocator test_allocator = {
.mem_acquire = s_test_alloc_acquire,
.mem_release = s_test_alloc_release,
.mem_realloc = s_test_realloc,
};
s_call_ct_malloc = s_call_ct_free = s_call_ct_realloc = 0;
void *buf = aws_mem_acquire(&test_allocator, 32);
void *oldbuf = buf;
memcpy(buf, TEST_PATTERN, 32);
ASSERT_SUCCESS(aws_mem_realloc(&test_allocator, &buf, 32, 64));
ASSERT_INT_EQUALS(memcmp(buf, TEST_PATTERN, 32), 0);
ASSERT_INT_EQUALS(s_reported_oldsize, 32);
ASSERT_INT_EQUALS(s_original_size, 32);
ASSERT_INT_EQUALS(s_call_ct_malloc, 1);
ASSERT_INT_EQUALS(s_call_ct_free, 0);
ASSERT_FALSE(buf == oldbuf);
aws_mem_release(&test_allocator, buf);
return 0;
}
AWS_TEST_CASE(test_cf_allocator_wrapper, s_test_cf_allocator_wrapper_fn)
static int s_test_cf_allocator_wrapper_fn(struct aws_allocator *allocator, void *ctx) {
(void)allocator;
(void)ctx;
#ifdef __MACH__
CFAllocatorRef cf_allocator = aws_wrapped_cf_allocator_new(allocator);
ASSERT_NOT_NULL(cf_allocator);
char test_prefix[] = "test_string";
CFStringRef test_str = CFStringCreateWithCString(cf_allocator, test_prefix, kCFStringEncodingUTF8);
ASSERT_NOT_NULL(test_str);
/* NOLINTNEXTLINE */
ASSERT_BIN_ARRAYS_EQUALS(
test_prefix,
sizeof(test_prefix) - 1,
CFStringGetCStringPtr(test_str, kCFStringEncodingUTF8),
CFStringGetLength(test_str));
CFRelease(test_str);
aws_wrapped_cf_allocator_destroy(cf_allocator);
#endif
return 0;
}
AWS_TEST_CASE(test_acquire_many, s_test_acquire_many_fn)
static int s_test_acquire_many_fn(struct aws_allocator *allocator, void *ctx) {
(void)allocator;
(void)ctx;
void *a = NULL;
void *b = NULL;
void *buffer = aws_mem_acquire_many(allocator, 2, &a, (size_t)64, &b, (size_t)64);
ASSERT_NOT_NULL(buffer);
ASSERT_NOT_NULL(a);
ASSERT_NOT_NULL(b);
ASSERT_UINT_EQUALS((uintptr_t)a, (uintptr_t)buffer);
ASSERT_UINT_EQUALS((uintptr_t)b, (uintptr_t)buffer + 64);
ASSERT_UINT_EQUALS((uintptr_t)a % sizeof(intmax_t), 0);
ASSERT_UINT_EQUALS((uintptr_t)b % sizeof(intmax_t), 0);
aws_mem_release(allocator, buffer);
a = NULL;
b = NULL;
buffer = aws_mem_acquire_many(allocator, 2, &a, (size_t)1, &b, (size_t)1);
ASSERT_NOT_NULL(buffer);
ASSERT_NOT_NULL(a);
ASSERT_NOT_NULL(b);
ASSERT_UINT_EQUALS((uintptr_t)a, (uintptr_t)buffer);
ASSERT_UINT_EQUALS((uintptr_t)b, (uintptr_t)buffer + sizeof(intmax_t));
ASSERT_UINT_EQUALS((uintptr_t)a % sizeof(intmax_t), 0);
ASSERT_UINT_EQUALS((uintptr_t)b % sizeof(intmax_t), 0);
aws_mem_release(allocator, buffer);
return 0;
}
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