jerryscript/tests/unit-core/test-stringbuilder.c

/* Copyright JS Foundation and other contributors, http://js.foundation
 *
 * 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-init-finalize.h"
#include "lit-char-helpers.h"
#include "lit-strings.h"

#include "test-common.h"

int
main (void)
{
  TEST_INIT ();

  jmem_init ();
  ecma_init ();

  {
    static const lit_utf8_byte_t string_data[] = "A simple string";

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append_raw (&builder, string_data, sizeof (string_data) - 1);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    ecma_string_t *str_p = ecma_new_ecma_string_from_utf8 (string_data, sizeof (string_data) - 1);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append_magic (&builder, LIT_MAGIC_STRING_STRING);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    ecma_string_t *str_p = ecma_get_magic_string (LIT_MAGIC_STRING_STRING);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
  }

  {
    static const lit_utf8_byte_t string_data[] = "a";

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_LOWERCASE_A);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    ecma_string_t *str_p = ecma_new_ecma_string_from_utf8 (string_data, sizeof (string_data) - 1);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    static const lit_utf8_byte_t string_data[] = "A simple string";
    ecma_string_t *str_p = ecma_new_ecma_string_from_utf8 (string_data, sizeof (string_data) - 1);

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append (&builder, str_p);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    ecma_string_t *str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
  }

  {
    static const lit_utf8_byte_t string_data[] = "abc";

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_LOWERCASE_A);
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_LOWERCASE_B);
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_LOWERCASE_C);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    ecma_string_t *str_p = ecma_new_ecma_string_from_utf8 (string_data, sizeof (string_data) - 1);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_1);
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_2);
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_3);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    ecma_string_t *str_p = ecma_new_ecma_string_from_uint32 (123);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    static const lit_utf8_byte_t string_data[] = "abc";
    ecma_string_t *uint_str_p = ecma_new_ecma_string_from_uint32 (234);

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_1);
    ecma_stringbuilder_append_raw (&builder, string_data, sizeof (string_data) - 1);
    ecma_stringbuilder_append (&builder, uint_str_p);
    ecma_stringbuilder_append_magic (&builder, LIT_MAGIC_STRING_STRING);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    static const lit_utf8_byte_t expected_data[] = "1abc234string";
    ecma_string_t *str_p = ecma_new_ecma_string_from_utf8 (expected_data, sizeof (expected_data) - 1);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    static const lit_utf8_byte_t string_data[] = "abc";
    ecma_string_t *uint_str_p = ecma_new_ecma_string_from_uint32 (234);

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_1);
    ecma_stringbuilder_append_raw (&builder, string_data, sizeof (string_data) - 1);
    ecma_stringbuilder_append (&builder, uint_str_p);
    ecma_stringbuilder_append_magic (&builder, LIT_MAGIC_STRING_STRING);
    /* Test that we do not leak. */
    ecma_stringbuilder_destroy (&builder);
  }

  {
    static const lit_utf8_byte_t string_data[] = "abcdefghijklmnop";
    const size_t count = UINT16_MAX / (sizeof (string_data) - 1) + 1;

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    for (size_t i = 0; i < count; i++)
    {
      ecma_stringbuilder_append_raw (&builder, string_data, sizeof (string_data) - 1);
    }
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    ecma_string_t *expected_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
    for (size_t i = 0; i < count; i++)
    {
      expected_p = ecma_append_chars_to_string (expected_p,
                                                string_data,
                                                sizeof (string_data) - 1,
                                                sizeof (string_data) - 1);
    }

    TEST_ASSERT (ecma_compare_ecma_strings (result_p, expected_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (expected_p);
  }

  {
    static const lit_utf8_byte_t string_data[] = "abc";
    ecma_string_t *uint_str_p = ecma_new_ecma_string_from_uint32 (234);

    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_stringbuilder_append_char (&builder, LIT_CHAR_1);
    ecma_stringbuilder_append_raw (&builder, string_data, sizeof (string_data) - 1);

    ecma_string_t *another_string = ecma_new_ecma_string_from_utf8 (string_data, sizeof (string_data) - 1);

    ecma_stringbuilder_append (&builder, uint_str_p);
    ecma_stringbuilder_append_magic (&builder, LIT_MAGIC_STRING_STRING);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    static const lit_utf8_byte_t expected_data[] = "1abc234string";
    ecma_string_t *str_p = ecma_new_ecma_string_from_utf8 (expected_data, sizeof (expected_data) - 1);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
    ecma_deref_ecma_string (another_string);
  }

  {
    static const lit_utf8_byte_t string_data[] = "abc";
    ecma_string_t *uint_str_p = ecma_new_ecma_string_from_uint32 (234);

    ecma_stringbuilder_t builder = ecma_stringbuilder_create_from (uint_str_p);
    ecma_stringbuilder_append_raw (&builder, string_data, sizeof (string_data) - 1);
    ecma_stringbuilder_append_magic (&builder, LIT_MAGIC_STRING_STRING);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    static const lit_utf8_byte_t expected_data[] = "234abcstring";
    ecma_string_t *str_p = ecma_new_ecma_string_from_utf8 (expected_data, sizeof (expected_data) - 1);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    ecma_string_t *str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    ecma_string_t *str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
    ecma_stringbuilder_t builder = ecma_stringbuilder_create_from (str_p);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  {
    ecma_string_t *str_p = ecma_get_magic_string (LIT_MAGIC_STRING_STRING);
    ecma_stringbuilder_t builder = ecma_stringbuilder_create_from (str_p);
    ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);

    TEST_ASSERT (ecma_compare_ecma_strings (result_p, str_p));
    ecma_deref_ecma_string (result_p);
    ecma_deref_ecma_string (str_p);
  }

  ecma_finalize ();
  jmem_finalize ();

  return 0;
} /* main */