pebble/third_party/jerryscript/tests/unit/test-literal-storage.c
2025-01-27 11:38:16 -08:00

134 lines
3.9 KiB
C

/* Copyright 2015-2016 Samsung Electronics Co., Ltd.
* Copyright 2016 University of Szeged
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecma-helpers.h"
#include "ecma-literal-storage.h"
#include "test-common.h"
// Iterations count
#define test_iters 64
// Subiterations count
#define test_sub_iters 64
// Max characters in a string
#define max_characters_in_string 256
static void
generate_string (lit_utf8_byte_t *str, lit_utf8_size_t len)
{
static const lit_utf8_byte_t bytes[] = "!@#$%^&*()_+abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789";
static const lit_utf8_size_t length = (lit_utf8_size_t) (sizeof (bytes) - 1);
for (lit_utf8_size_t i = 0; i < len; ++i)
{
str[i] = bytes[(unsigned long) rand () % length];
}
} /* generate_string */
static ecma_number_t
generate_number ()
{
ecma_number_t num = ((ecma_number_t) rand () / 32767.0);
if (rand () % 2)
{
num = -num;
}
int power = rand () % 30;
while (power-- > 0)
{
num *= 10;
}
return num;
} /* generate_number */
int
main ()
{
TEST_INIT ();
const lit_utf8_byte_t *ptrs[test_sub_iters];
ecma_number_t numbers[test_sub_iters];
lit_utf8_byte_t strings[test_sub_iters][max_characters_in_string + 1];
lit_utf8_size_t lengths[test_sub_iters];
jmem_init ();
for (uint32_t i = 0; i < test_iters; i++)
{
memset (numbers, 0, sizeof (ecma_number_t) * test_sub_iters);
memset (lengths, 0, sizeof (lit_utf8_size_t) * test_sub_iters);
memset (ptrs, 0, sizeof (lit_utf8_byte_t *) * test_sub_iters);
for (uint32_t j = 0; j < test_sub_iters; j++)
{
int type = rand () % 3;
if (type == 0)
{
lengths[j] = (lit_utf8_size_t) (rand () % max_characters_in_string + 1);
generate_string (strings[j], lengths[j]);
ecma_find_or_create_literal_string (strings[j], lengths[j]);
strings[j][lengths[j]] = '\0';
ptrs[j] = strings[j];
TEST_ASSERT (ptrs[j]);
}
else if (type == 1)
{
lit_magic_string_id_t msi = (lit_magic_string_id_t) (rand () % LIT_MAGIC_STRING__COUNT);
ptrs[j] = lit_get_magic_string_utf8 (msi);
TEST_ASSERT (ptrs[j]);
lengths[j] = (lit_utf8_size_t) lit_zt_utf8_string_size (ptrs[j]);
ecma_find_or_create_literal_string (ptrs[j], lengths[j]);
}
else
{
ecma_number_t num = generate_number ();
lengths[j] = ecma_number_to_utf8_string (num, strings[j], max_characters_in_string);
ecma_find_or_create_literal_number (num);
}
}
// Add empty string
ecma_find_or_create_literal_string (NULL, 0);
for (uint32_t j = 0; j < test_sub_iters; j++)
{
jmem_cpointer_t lit1;
jmem_cpointer_t lit2;
if (ptrs[j])
{
lit1 = ecma_find_or_create_literal_string (ptrs[j], lengths[j]);
lit2 = ecma_find_or_create_literal_string (ptrs[j], lengths[j]);
TEST_ASSERT (lit1 == lit2);
}
else
{
lit1 = ecma_find_or_create_literal_number (numbers[j]);
lit2 = ecma_find_or_create_literal_number (numbers[j]);
TEST_ASSERT (lit1 == lit2);
}
TEST_ASSERT (lit1);
TEST_ASSERT (lit2);
TEST_ASSERT (lit1 == lit2);
}
// Check empty string exists
TEST_ASSERT (ecma_find_or_create_literal_string (NULL, 0) != JMEM_CP_NULL);
}
ecma_finalize_lit_storage ();
jmem_finalize ();
return 0;
} /* main */