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virglrenderer/tests/test_virgl_strbuf.c

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/**************************************************************************
*
* Copyright (C) 2019 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <check.h>
#include <stdio.h>
#include "../src/vrend_strbuf.h"
/* Test the vrend strbuf implementation */
START_TEST(strbuf_init)
{
struct vrend_strbuf sb;
bool ret;
ret = strbuf_alloc(&sb, 1024);
ck_assert_int_eq(ret, true);
ck_assert_int_eq(sb.alloc_size, 1024);
strbuf_free(&sb);
}
END_TEST
START_TEST(strbuf_add_small_string)
{
struct vrend_strbuf sb;
bool ret;
char str[27] = {};
ret = strbuf_alloc(&sb, 1024);
ck_assert_int_eq(ret, true);
for (int i = 0; i < 26; i++)
str[i] = 'a' + i;
str[26] = 0;
strbuf_append(&sb, str);
ck_assert_int_eq(strbuf_get_error(&sb), false);
ck_assert_int_eq(sb.size, strlen(sb.buf));
strbuf_free(&sb);
}
END_TEST
START_TEST(strbuf_add_small_string_twice)
{
struct vrend_strbuf sb;
bool ret;
char str[27] = {};
ret = strbuf_alloc(&sb, 1024);
ck_assert_int_eq(ret, true);
for (int i = 0; i < 26; i++)
str[i] = 'a' + i;
str[26] = 0;
strbuf_append(&sb, str);
strbuf_append(&sb, str);
ck_assert_int_eq(strbuf_get_error(&sb), false);
ck_assert_int_eq(strbuf_get_len(&sb), strlen(sb.buf));
strbuf_free(&sb);
}
END_TEST
START_TEST(strbuf_add_large_string)
{
struct vrend_strbuf sb;
bool ret;
char str[256];
ret = strbuf_alloc(&sb, 128);
ck_assert_int_eq(ret, true);
for (int i = 0; i < 255; i++)
str[i] = 'a' + (i % 26);
str[255] = 0;
strbuf_append(&sb, str);
ck_assert_int_eq(strbuf_get_error(&sb), false);
ck_assert_int_eq(strbuf_get_len(&sb), strlen(sb.buf));
ck_assert_int_eq(sb.alloc_size, 128 + STRBUF_MIN_MALLOC);
strbuf_free(&sb);
}
END_TEST
START_TEST(strbuf_add_huge_string)
{
struct vrend_strbuf sb;
bool ret;
char str[2048];
ret = strbuf_alloc(&sb, 128);
ck_assert_int_eq(ret, true);
for (int i = 0; i < 2047; i++)
str[i] = 'a' + (i % 26);
str[2047] = 0;
strbuf_append(&sb, str);
ck_assert_int_eq(strbuf_get_error(&sb), false);
ck_assert_int_eq(strbuf_get_len(&sb), strlen(sb.buf));
ck_assert_int_eq(sb.alloc_size, 2048);
ck_assert_int_ge(sb.alloc_size, strbuf_get_len(&sb) + 1);
strbuf_free(&sb);
}
END_TEST
START_TEST(strbuf_test_boundary)
{
struct vrend_strbuf sb;
bool ret;
char str[128];
ret = strbuf_alloc(&sb, 128);
ck_assert_int_eq(ret, true);
for (int i = 0; i < 127; i++)
str[i] = 'a' + (i % 26);
str[127] = 0;
strbuf_append(&sb, str);
ck_assert_int_eq(strbuf_get_error(&sb), false);
ck_assert_int_eq(strbuf_get_len(&sb), strlen(sb.buf));
ck_assert_int_eq(sb.alloc_size, 128);
ck_assert_int_ge(sb.alloc_size, strbuf_get_len(&sb) + 1);
strbuf_free(&sb);
}
END_TEST
START_TEST(strbuf_test_boundary2)
{
struct vrend_strbuf sb;
bool ret;
char str[513];
ret = strbuf_alloc(&sb, 1024);
ck_assert_int_eq(ret, true);
for (int i = 0; i < 512; i++)
str[i] = 'a' + (i % 26);
str[512] = 0;
strbuf_append(&sb, str);
strbuf_append(&sb, str);
ck_assert_int_eq(strbuf_get_error(&sb), false);
ck_assert_int_eq(strbuf_get_len(&sb), strlen(sb.buf));
/* we should have 512 + 512 + 1 at least */
ck_assert_int_ge(sb.alloc_size, strbuf_get_len(&sb) + 1);
ck_assert_int_gt(sb.alloc_size, 1024);
strbuf_free(&sb);
}
END_TEST
START_TEST(strbuf_test_appendf)
{
struct vrend_strbuf sb;
bool ret;
ret = strbuf_alloc(&sb, 1024);
ck_assert_int_eq(ret, true);
strbuf_appendf(&sb, "%d", 5);
ck_assert_str_eq(sb.buf, "5");
strbuf_free(&sb);
}
END_TEST
START_TEST(strbuf_test_appendf_str)
{
struct vrend_strbuf sb;
bool ret;
ret = strbuf_alloc(&sb, 1024);
ck_assert_int_eq(ret, true);
strbuf_appendf(&sb, "%s5", "hello");
ck_assert_str_eq(sb.buf, "hello5");
strbuf_free(&sb);
}
END_TEST
static Suite *init_suite(void)
{
Suite *s;
TCase *tc_core;
s = suite_create("vrend_strbuf");
tc_core = tcase_create("strbuf");
suite_add_tcase(s, tc_core);
tcase_add_test(tc_core, strbuf_init);
tcase_add_test(tc_core, strbuf_add_small_string);
tcase_add_test(tc_core, strbuf_add_small_string_twice);
tcase_add_test(tc_core, strbuf_add_large_string);
tcase_add_test(tc_core, strbuf_add_huge_string);
tcase_add_test(tc_core, strbuf_test_boundary);
tcase_add_test(tc_core, strbuf_test_boundary2);
tcase_add_test(tc_core, strbuf_test_appendf);
tcase_add_test(tc_core, strbuf_test_appendf_str);
return s;
}
int main(void)
{
Suite *s;
SRunner *sr;
int number_failed;
s = init_suite();
sr = srunner_create(s);
srunner_run_all(sr, CK_NORMAL);
number_failed = srunner_ntests_failed(sr);
srunner_free(sr);
return number_failed == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
};