mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-13 14:50:17 +00:00
de0e1b45b0
It syncs with gnulib version a8bac4d49. The main changes are: - Remove the usage of anonymous union within DYNARRAY_STRUCT. - Use DYNARRAY_FREE instead of DYNARRAY_NAME (free) so that Gnulib does not change 'free' to 'rpl_free'. - Use __nonnull instead of __attribute__ ((nonnull ())). - Use __attribute_maybe_unused__ instead of __attribute__ ((unused, nonnull (1))). - Use of _Noreturn instead of _attribute__ ((noreturn)). The only difference with gnulib is: --- glibc +++ gnulib @@ -18,6 +18,7 @@ #include <dynarray.h> #include <stdio.h> +#include <stdlib.h> void __libc_dynarray_at_failure (size_t size, size_t index) @@ -27,7 +28,6 @@ __snprintf (buf, sizeof (buf), "Fatal glibc error: " "array index %zu not less than array length %zu\n", index, size); - __libc_fatal (buf); #else abort (); #endif It seems a wrong sync from gnulib (the code is used on loader and thus it requires __libc_fatal instead of abort). Checked on x86_64-linux-gnu.
577 lines
21 KiB
C
577 lines
21 KiB
C
/* Test for dynamic arrays.
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Copyright (C) 2017-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include "tst-dynarray-shared.h"
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#include <errno.h>
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#include <stdint.h>
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#define DYNARRAY_STRUCT dynarray_long
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#define DYNARRAY_ELEMENT long
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#define DYNARRAY_PREFIX dynarray_long_
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#define DYNARRAY_ELEMENT_INIT(e) (*(e) = 17)
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#include <malloc/dynarray-skeleton.c>
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struct long_array
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{
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long *array;
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size_t length;
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};
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#define DYNARRAY_STRUCT dynarray_long_noscratch
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#define DYNARRAY_ELEMENT long
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#define DYNARRAY_PREFIX dynarray_long_noscratch_
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#define DYNARRAY_ELEMENT_INIT(e) (*(e) = 23)
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#define DYNARRAY_FINAL_TYPE struct long_array
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#define DYNARRAY_INITIAL_SIZE 0
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#include <malloc/dynarray-skeleton.c>
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#define DYNARRAY_STRUCT zstr
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#define DYNARRAY_ELEMENT char
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#define DYNARRAY_PREFIX zstr_
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#define DYNARRAY_INITIAL_SIZE 128
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#include <malloc/dynarray-skeleton.c>
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#include <malloc.h>
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#include <mcheck.h>
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#include <stdint.h>
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#include <support/check.h>
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#include <support/support.h>
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enum { max_count = 20 };
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/* Test dynamic arrays with int elements (no automatic deallocation
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for elements). */
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static void
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test_int (void)
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{
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/* Empty array. */
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{
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struct dynarray_int dyn;
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dynarray_int_init (&dyn);
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CHECK_EMPTY (int, &dyn);
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}
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/* Empty array with finalization. */
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{
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struct dynarray_int dyn;
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dynarray_int_init (&dyn);
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CHECK_INIT_STATE (int, &dyn);
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struct int_array result = { (int *) (uintptr_t) -1, -1 };
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TEST_VERIFY_EXIT (dynarray_int_finalize (&dyn, &result));
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CHECK_INIT_STATE (int, &dyn);
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TEST_VERIFY_EXIT (result.array == NULL);
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TEST_VERIFY_EXIT (result.length == 0);
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}
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/* Non-empty array tests.
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do_add: Switch between emplace (false) and add (true).
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do_finalize: Perform finalize call at the end.
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do_clear: Perform clear call at the end.
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do_remove_last: Perform remove_last call after adding elements.
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count: Number of elements added to the array. */
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for (int do_add = 0; do_add < 2; ++do_add)
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for (int do_finalize = 0; do_finalize < 2; ++do_finalize)
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for (int do_clear = 0; do_clear < 2; ++do_clear)
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for (int do_remove_last = 0; do_remove_last < 2; ++do_remove_last)
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for (unsigned int count = 0; count < max_count; ++count)
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{
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if (do_remove_last && count == 0)
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continue;
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unsigned int base = count * count;
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struct dynarray_int dyn;
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dynarray_int_init (&dyn);
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for (unsigned int i = 0; i < count; ++i)
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{
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if (do_add)
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dynarray_int_add (&dyn, base + i);
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else
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{
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int *place = dynarray_int_emplace (&dyn);
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TEST_VERIFY_EXIT (place != NULL);
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*place = base + i;
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}
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TEST_VERIFY_EXIT (!dynarray_int_has_failed (&dyn));
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TEST_VERIFY_EXIT (dynarray_int_size (&dyn) == i + 1);
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TEST_VERIFY_EXIT (dynarray_int_size (&dyn)
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<= dyn.u.dynarray_header.allocated);
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}
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TEST_VERIFY_EXIT (dynarray_int_size (&dyn) == count);
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TEST_VERIFY_EXIT (count <= dyn.u.dynarray_header.allocated);
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if (count > 0)
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{
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TEST_VERIFY (dynarray_int_begin (&dyn)
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== dynarray_int_at (&dyn, 0));
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TEST_VERIFY (dynarray_int_end (&dyn)
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== dynarray_int_at (&dyn, count - 1) + 1);
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}
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unsigned final_count;
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bool heap_array = dyn.u.dynarray_header.array != dyn.scratch;
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if (do_remove_last)
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{
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dynarray_int_remove_last (&dyn);
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if (count == 0)
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final_count = 0;
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else
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final_count = count - 1;
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}
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else
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final_count = count;
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if (final_count > 0)
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{
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TEST_VERIFY (dynarray_int_begin (&dyn)
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== dynarray_int_at (&dyn, 0));
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TEST_VERIFY (dynarray_int_end (&dyn)
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== dynarray_int_at (&dyn, final_count - 1) + 1);
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}
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if (do_clear)
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{
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dynarray_int_clear (&dyn);
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final_count = 0;
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}
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TEST_VERIFY_EXIT (!dynarray_int_has_failed (&dyn));
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TEST_VERIFY_EXIT ((dyn.u.dynarray_header.array != dyn.scratch)
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== heap_array);
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TEST_VERIFY_EXIT (dynarray_int_size (&dyn) == final_count);
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TEST_VERIFY_EXIT (dyn.u.dynarray_header.allocated
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>= final_count);
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if (!do_clear)
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for (unsigned int i = 0; i < final_count; ++i)
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TEST_VERIFY_EXIT (*dynarray_int_at (&dyn, i) == base + i);
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if (do_finalize)
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{
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struct int_array result = { (int *) (uintptr_t) -1, -1 };
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TEST_VERIFY_EXIT (dynarray_int_finalize (&dyn, &result));
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CHECK_INIT_STATE (int, &dyn);
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TEST_VERIFY_EXIT (result.length == final_count);
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if (final_count == 0)
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TEST_VERIFY_EXIT (result.array == NULL);
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else
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{
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TEST_VERIFY_EXIT (result.array != NULL);
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TEST_VERIFY_EXIT (result.array != (int *) (uintptr_t) -1);
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TEST_VERIFY_EXIT
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(malloc_usable_size (result.array)
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>= final_count * sizeof (result.array[0]));
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for (unsigned int i = 0; i < final_count; ++i)
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TEST_VERIFY_EXIT (result.array[i] == base + i);
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free (result.array);
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}
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}
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else /* !do_finalize */
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{
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dynarray_int_free (&dyn);
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CHECK_INIT_STATE (int, &dyn);
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}
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}
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}
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/* Test dynamic arrays with char * elements (with automatic
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deallocation of the pointed-to strings). */
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static void
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test_str (void)
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{
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/* Empty array. */
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{
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struct dynarray_str dyn;
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dynarray_str_init (&dyn);
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CHECK_EMPTY (str, &dyn);
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}
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/* Empty array with finalization. */
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{
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struct dynarray_str dyn;
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dynarray_str_init (&dyn);
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TEST_VERIFY_EXIT (!dynarray_str_has_failed (&dyn));
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struct str_array result = { (char **) (uintptr_t) -1, -1 };
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TEST_VERIFY_EXIT (dynarray_str_finalize (&dyn, &result));
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CHECK_INIT_STATE (str, &dyn);
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TEST_VERIFY_EXIT (result.array == NULL);
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TEST_VERIFY_EXIT (result.length == 0);
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}
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/* Non-empty array tests.
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do_add: Switch between emplace (false) and add (true).
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do_finalize: Perform finalize call at the end.
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do_clear: Perform clear call at the end.
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do_remove_last: Perform remove_last call after adding elements.
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count: Number of elements added to the array. */
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for (int do_add = 0; do_add < 2; ++do_add)
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for (int do_finalize = 0; do_finalize < 2; ++do_finalize)
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for (int do_clear = 0; do_clear < 2; ++do_clear)
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for (int do_remove_last = 0; do_remove_last < 2; ++do_remove_last)
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for (unsigned int count = 0; count < max_count; ++count)
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{
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if (do_remove_last && count == 0)
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continue;
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unsigned int base = count * count;
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struct dynarray_str dyn;
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dynarray_str_init (&dyn);
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for (unsigned int i = 0; i < count; ++i)
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{
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char *item = xasprintf ("%d", base + i);
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if (do_add)
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dynarray_str_add (&dyn, item);
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else
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{
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char **place = dynarray_str_emplace (&dyn);
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TEST_VERIFY_EXIT (place != NULL);
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TEST_VERIFY_EXIT (*place == NULL);
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*place = item;
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}
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TEST_VERIFY_EXIT (!dynarray_str_has_failed (&dyn));
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TEST_VERIFY_EXIT (dynarray_str_size (&dyn) == i + 1);
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TEST_VERIFY_EXIT (dynarray_str_size (&dyn)
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<= dyn.u.dynarray_header.allocated);
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}
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TEST_VERIFY_EXIT (dynarray_str_size (&dyn) == count);
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TEST_VERIFY_EXIT (count <= dyn.u.dynarray_header.allocated);
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if (count > 0)
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{
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TEST_VERIFY (dynarray_str_begin (&dyn)
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== dynarray_str_at (&dyn, 0));
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TEST_VERIFY (dynarray_str_end (&dyn)
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== dynarray_str_at (&dyn, count - 1) + 1);
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}
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unsigned final_count;
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bool heap_array = dyn.u.dynarray_header.array != dyn.scratch;
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if (do_remove_last)
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{
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dynarray_str_remove_last (&dyn);
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if (count == 0)
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final_count = 0;
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else
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final_count = count - 1;
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}
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else
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final_count = count;
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if (final_count > 0)
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{
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TEST_VERIFY (dynarray_str_begin (&dyn)
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== dynarray_str_at (&dyn, 0));
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TEST_VERIFY (dynarray_str_end (&dyn)
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== dynarray_str_at (&dyn, final_count - 1) + 1);
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}
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if (do_clear)
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{
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dynarray_str_clear (&dyn);
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final_count = 0;
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}
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TEST_VERIFY_EXIT (!dynarray_str_has_failed (&dyn));
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TEST_VERIFY_EXIT ((dyn.u.dynarray_header.array != dyn.scratch)
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== heap_array);
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TEST_VERIFY_EXIT (dynarray_str_size (&dyn) == final_count);
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TEST_VERIFY_EXIT (dyn.u.dynarray_header.allocated
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>= final_count);
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if (!do_clear)
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for (unsigned int i = 0; i < count - do_remove_last; ++i)
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{
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char *expected = xasprintf ("%d", base + i);
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const char *actual = *dynarray_str_at (&dyn, i);
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TEST_VERIFY_EXIT (strcmp (actual, expected) == 0);
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free (expected);
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}
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if (do_finalize)
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{
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struct str_array result = { (char **) (uintptr_t) -1, -1 };
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TEST_VERIFY_EXIT (dynarray_str_finalize (&dyn, &result));
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CHECK_INIT_STATE (str, &dyn);
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TEST_VERIFY_EXIT (result.length == final_count);
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if (final_count == 0)
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TEST_VERIFY_EXIT (result.array == NULL);
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else
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{
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TEST_VERIFY_EXIT (result.array != NULL);
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TEST_VERIFY_EXIT (result.array
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!= (char **) (uintptr_t) -1);
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TEST_VERIFY_EXIT (result.length
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== count - do_remove_last);
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TEST_VERIFY_EXIT
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(malloc_usable_size (result.array)
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>= final_count * sizeof (result.array[0]));
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for (unsigned int i = 0; i < count - do_remove_last; ++i)
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{
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char *expected = xasprintf ("%d", base + i);
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char *actual = result.array[i];
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TEST_VERIFY_EXIT (strcmp (actual, expected) == 0);
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free (expected);
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free (actual);
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}
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free (result.array);
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}
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}
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else /* !do_finalize */
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{
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dynarray_str_free (&dyn);
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CHECK_INIT_STATE (str, &dyn);
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}
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}
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/* Test resizing. */
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{
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enum { count = 2131 };
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struct dynarray_str dyn;
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dynarray_str_init (&dyn);
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/* From length 0 to length 1. */
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TEST_VERIFY (dynarray_str_resize (&dyn, 1));
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TEST_VERIFY (dynarray_str_size (&dyn) == 1);
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TEST_VERIFY (*dynarray_str_at (&dyn, 0) == NULL);
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*dynarray_str_at (&dyn, 0) = xstrdup ("allocated");
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dynarray_str_free (&dyn);
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/* From length 0 to length 1 and 2. */
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TEST_VERIFY (dynarray_str_resize (&dyn, 1));
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TEST_VERIFY (dynarray_str_size (&dyn) == 1);
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TEST_VERIFY (*dynarray_str_at (&dyn, 0) == NULL);
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*dynarray_str_at (&dyn, 0) = xstrdup ("allocated0");
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TEST_VERIFY (dynarray_str_resize (&dyn, 2));
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TEST_VERIFY (dynarray_str_size (&dyn) == 2);
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TEST_VERIFY (strcmp (*dynarray_str_at (&dyn, 0), "allocated0") == 0);
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TEST_VERIFY (*dynarray_str_at (&dyn, 1) == NULL);
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*dynarray_str_at (&dyn, 1) = xstrdup ("allocated1");
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TEST_VERIFY (dynarray_str_resize (&dyn, count));
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TEST_VERIFY (dynarray_str_size (&dyn) == count);
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TEST_VERIFY (strcmp (*dynarray_str_at (&dyn, 0), "allocated0") == 0);
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TEST_VERIFY (strcmp (*dynarray_str_at (&dyn, 1), "allocated1") == 0);
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for (int i = 2; i < count; ++i)
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TEST_VERIFY (*dynarray_str_at (&dyn, i) == NULL);
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*dynarray_str_at (&dyn, count - 1) = xstrdup ("allocated2");
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TEST_VERIFY (dynarray_str_resize (&dyn, 3));
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TEST_VERIFY (strcmp (*dynarray_str_at (&dyn, 0), "allocated0") == 0);
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TEST_VERIFY (strcmp (*dynarray_str_at (&dyn, 1), "allocated1") == 0);
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TEST_VERIFY (*dynarray_str_at (&dyn, 2) == NULL);
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dynarray_str_free (&dyn);
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}
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}
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/* Verify that DYNARRAY_ELEMENT_INIT has an effect. */
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static void
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test_long_init (void)
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{
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enum { count = 2131 };
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{
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struct dynarray_long dyn;
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dynarray_long_init (&dyn);
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for (int i = 0; i < count; ++i)
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{
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long *place = dynarray_long_emplace (&dyn);
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TEST_VERIFY_EXIT (place != NULL);
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TEST_VERIFY (*place == 17);
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}
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TEST_VERIFY (dynarray_long_size (&dyn) == count);
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for (int i = 0; i < count; ++i)
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TEST_VERIFY (*dynarray_long_at (&dyn, i) == 17);
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dynarray_long_free (&dyn);
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TEST_VERIFY (dynarray_long_resize (&dyn, 1));
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TEST_VERIFY (dynarray_long_size (&dyn) == 1);
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TEST_VERIFY (*dynarray_long_at (&dyn, 0) == 17);
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*dynarray_long_at (&dyn, 0) = 18;
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dynarray_long_free (&dyn);
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TEST_VERIFY (dynarray_long_resize (&dyn, 1));
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TEST_VERIFY (dynarray_long_size (&dyn) == 1);
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TEST_VERIFY (*dynarray_long_at (&dyn, 0) == 17);
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TEST_VERIFY (dynarray_long_resize (&dyn, 2));
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TEST_VERIFY (dynarray_long_size (&dyn) == 2);
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TEST_VERIFY (*dynarray_long_at (&dyn, 0) == 17);
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TEST_VERIFY (*dynarray_long_at (&dyn, 1) == 17);
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*dynarray_long_at (&dyn, 0) = 18;
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TEST_VERIFY (dynarray_long_resize (&dyn, count));
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TEST_VERIFY (dynarray_long_size (&dyn) == count);
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TEST_VERIFY (*dynarray_long_at (&dyn, 0) == 18);
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for (int i = 1; i < count; ++i)
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TEST_VERIFY (*dynarray_long_at (&dyn, i) == 17);
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dynarray_long_free (&dyn);
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}
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/* Similar, but without an on-stack scratch region
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(DYNARRAY_INITIAL_SIZE is 0). */
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{
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struct dynarray_long_noscratch dyn;
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dynarray_long_noscratch_init (&dyn);
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struct long_array result;
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TEST_VERIFY_EXIT (dynarray_long_noscratch_finalize (&dyn, &result));
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TEST_VERIFY (result.array == NULL);
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TEST_VERIFY (result.length == 0);
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/* Test with one element. */
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{
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long *place = dynarray_long_noscratch_emplace (&dyn);
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TEST_VERIFY_EXIT (place != NULL);
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TEST_VERIFY (*place == 23);
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}
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TEST_VERIFY (dynarray_long_noscratch_size (&dyn) == 1);
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TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, 0) == 23);
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TEST_VERIFY_EXIT (dynarray_long_noscratch_finalize (&dyn, &result));
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TEST_VERIFY_EXIT (result.array != NULL);
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TEST_VERIFY (result.length == 1);
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TEST_VERIFY (result.array[0] == 23);
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free (result.array);
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for (int i = 0; i < count; ++i)
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{
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long *place = dynarray_long_noscratch_emplace (&dyn);
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TEST_VERIFY_EXIT (place != NULL);
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TEST_VERIFY (*place == 23);
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if (i == 0)
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*place = 29;
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}
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TEST_VERIFY (dynarray_long_noscratch_size (&dyn) == count);
|
|
TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, 0) == 29);
|
|
for (int i = 1; i < count; ++i)
|
|
TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, i) == 23);
|
|
TEST_VERIFY_EXIT (dynarray_long_noscratch_finalize (&dyn, &result));
|
|
TEST_VERIFY_EXIT (result.array != NULL);
|
|
TEST_VERIFY (result.length == count);
|
|
TEST_VERIFY (result.array[0] == 29);
|
|
for (int i = 1; i < count; ++i)
|
|
TEST_VERIFY (result.array[i] == 23);
|
|
free (result.array);
|
|
|
|
TEST_VERIFY (dynarray_long_noscratch_resize (&dyn, 1));
|
|
TEST_VERIFY (dynarray_long_noscratch_size (&dyn) == 1);
|
|
TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, 0) == 23);
|
|
*dynarray_long_noscratch_at (&dyn, 0) = 24;
|
|
dynarray_long_noscratch_free (&dyn);
|
|
TEST_VERIFY (dynarray_long_noscratch_resize (&dyn, 1));
|
|
TEST_VERIFY (dynarray_long_noscratch_size (&dyn) == 1);
|
|
TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, 0) == 23);
|
|
TEST_VERIFY (dynarray_long_noscratch_resize (&dyn, 2));
|
|
TEST_VERIFY (dynarray_long_noscratch_size (&dyn) == 2);
|
|
TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, 0) == 23);
|
|
TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, 1) == 23);
|
|
*dynarray_long_noscratch_at (&dyn, 0) = 24;
|
|
TEST_VERIFY (dynarray_long_noscratch_resize (&dyn, count));
|
|
TEST_VERIFY (dynarray_long_noscratch_size (&dyn) == count);
|
|
TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, 0) == 24);
|
|
for (int i = 1; i < count; ++i)
|
|
TEST_VERIFY (*dynarray_long_noscratch_at (&dyn, i) == 23);
|
|
dynarray_long_noscratch_free (&dyn);
|
|
}
|
|
}
|
|
|
|
/* Test overflow in resize. */
|
|
static void
|
|
test_long_overflow (void)
|
|
{
|
|
{
|
|
struct dynarray_long dyn;
|
|
dynarray_long_init (&dyn);
|
|
errno = EINVAL;
|
|
TEST_VERIFY (!dynarray_long_resize
|
|
(&dyn, (SIZE_MAX / sizeof (long)) + 1));
|
|
TEST_VERIFY (errno == ENOMEM);
|
|
TEST_VERIFY (dynarray_long_has_failed (&dyn));
|
|
}
|
|
|
|
{
|
|
struct dynarray_long_noscratch dyn;
|
|
dynarray_long_noscratch_init (&dyn);
|
|
errno = EINVAL;
|
|
TEST_VERIFY (!dynarray_long_noscratch_resize
|
|
(&dyn, (SIZE_MAX / sizeof (long)) + 1));
|
|
TEST_VERIFY (errno == ENOMEM);
|
|
TEST_VERIFY (dynarray_long_noscratch_has_failed (&dyn));
|
|
}
|
|
}
|
|
|
|
/* Test NUL-terminated string construction with the add function and
|
|
the simple finalize function. */
|
|
static void
|
|
test_zstr (void)
|
|
{
|
|
/* Totally empty string (no NUL termination). */
|
|
{
|
|
struct zstr s;
|
|
zstr_init (&s);
|
|
char *result = zstr_finalize (&s, NULL);
|
|
TEST_VERIFY (result == NULL);
|
|
TEST_VERIFY (zstr_size (&s) == 0);
|
|
size_t length = 1;
|
|
result = zstr_finalize (&s, &length);
|
|
TEST_VERIFY (result == NULL);
|
|
TEST_VERIFY (length == 0);
|
|
TEST_VERIFY (zstr_size (&s) == 0);
|
|
}
|
|
|
|
/* Empty string. */
|
|
{
|
|
struct zstr s;
|
|
zstr_init (&s);
|
|
zstr_add (&s, '\0');
|
|
char *result = zstr_finalize (&s, NULL);
|
|
TEST_VERIFY_EXIT (result != NULL);
|
|
TEST_VERIFY (*result == '\0');
|
|
TEST_VERIFY (zstr_size (&s) == 0);
|
|
free (result);
|
|
|
|
zstr_add (&s, '\0');
|
|
size_t length = 1;
|
|
result = zstr_finalize (&s, &length);
|
|
TEST_VERIFY_EXIT (result != NULL);
|
|
TEST_VERIFY (*result == '\0');
|
|
TEST_VERIFY (length == 1);
|
|
TEST_VERIFY (zstr_size (&s) == 0);
|
|
free (result);
|
|
}
|
|
|
|
/* A few characters. */
|
|
{
|
|
struct zstr s;
|
|
zstr_init (&s);
|
|
zstr_add (&s, 'A');
|
|
zstr_add (&s, 'b');
|
|
zstr_add (&s, 'c');
|
|
zstr_add (&s, '\0');
|
|
char *result = zstr_finalize (&s, NULL);
|
|
TEST_VERIFY_EXIT (result != NULL);
|
|
TEST_VERIFY (strcmp (result, "Abc") == 0);
|
|
TEST_VERIFY (zstr_size (&s) == 0);
|
|
free (result);
|
|
|
|
zstr_add (&s, 'X');
|
|
zstr_add (&s, 'y');
|
|
zstr_add (&s, 'z');
|
|
zstr_add (&s, '\0');
|
|
size_t length = 1;
|
|
result = zstr_finalize (&s, &length);
|
|
TEST_VERIFY_EXIT (result != NULL);
|
|
TEST_VERIFY (strcmp (result, "Xyz") == 0);
|
|
TEST_VERIFY (length == 4);
|
|
TEST_VERIFY (zstr_size (&s) == 0);
|
|
free (result);
|
|
}
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
mtrace ();
|
|
test_int ();
|
|
test_str ();
|
|
test_long_init ();
|
|
test_long_overflow ();
|
|
test_zstr ();
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|