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| author | Lennart Poettering <lennart@poettering.net> | 2019-04-30 10:17:19 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2019-05-02 14:53:40 +0200 |
| commit | 413644757628952af3c9c503be579f094517093d (patch) | |
| tree | d738f6bb029f1b571c248745b1b6963fd90e501a | |
| parent | e59054270c6e37fd08fdd5d0231edd17c7f7495a (diff) | |
| download | systemd-413644757628952af3c9c503be579f094517093d.tar.gz | |
test-alloc-util: let's test a few more things around GREEDY_REALLOC()
| -rw-r--r-- | src/test/test-alloc-util.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/test/test-alloc-util.c b/src/test/test-alloc-util.c index ad10eb178a..2dfdfe35ec 100644 --- a/src/test/test-alloc-util.c +++ b/src/test/test-alloc-util.c @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: LGPL-2.1+ */ +#include <malloc.h> #include <stdint.h> #include "alloc-util.h" @@ -21,21 +22,35 @@ static void test_alloca(void) { static void test_GREEDY_REALLOC(void) { _cleanup_free_ int *a = NULL, *b = NULL; - size_t n_allocated = 0, i; + size_t n_allocated = 0, i, j; - /* Give valgrind a chance to verify our realloc operations */ + /* Give valgrind a chance to verify our realloc() operations */ - for (i = 0; i < 2048; i++) { + for (i = 0; i < 20480; i++) { assert_se(GREEDY_REALLOC(a, n_allocated, i + 1)); - a[i] = i; + assert_se(n_allocated >= i + 1); + assert_se(malloc_usable_size(a) >= (i + 1) * sizeof(int)); + a[i] = (int) i; assert_se(GREEDY_REALLOC(a, n_allocated, i / 2)); + assert_se(n_allocated >= i / 2); + assert_se(malloc_usable_size(a) >= (i / 2) * sizeof(int)); } - for (i = 30, n_allocated = 0; i < 2048; i+=7) { + for (j = 0; j < i / 2; j++) + assert_se(a[j] == (int) j); + + for (i = 30, n_allocated = 0; i < 20480; i += 7) { assert_se(GREEDY_REALLOC(b, n_allocated, i + 1)); - b[i] = i; + assert_se(n_allocated >= i + 1); + assert_se(malloc_usable_size(b) >= (i + 1) * sizeof(int)); + b[i] = (int) i; assert_se(GREEDY_REALLOC(b, n_allocated, i / 2)); + assert_se(n_allocated >= i / 2); + assert_se(malloc_usable_size(b) >= (i / 2) * sizeof(int)); } + + for (j = 30; j < i / 2; j += 7) + assert_se(b[j] == (int) j); } static void test_memdup_multiply_and_greedy_realloc(void) { |