jerryscript/tests/unit-core/test-to-length.c
Robert Fancsik 3eb69075f7
Update ToLength operation to conform ES6 spec (#4007)
JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2020-07-29 11:13:34 +02:00

121 lines
2.9 KiB
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-globals.h"
#include "ecma-helpers.h"
#include "ecma-conversion.h"
#include "ecma-init-finalize.h"
#include "ecma-exceptions.h"
#include "jerryscript.h"
#include "jcontext.h"
#include "test-common.h"
/**
* Unit test's main function.
*/
int
main (void)
{
TEST_INIT ();
jmem_init ();
ecma_init ();
ecma_length_t num;
ecma_value_t int_num = ecma_make_int32_value (123);
ecma_value_t result = ecma_op_to_length (int_num, &num);
ecma_free_value (int_num);
TEST_ASSERT (!ECMA_IS_VALUE_ERROR (result));
TEST_ASSERT (num == 123);
/* 1, 3 */
ecma_value_t error_throw = ecma_raise_type_error (ECMA_ERR_MSG ("I'm an error"));
result = ecma_op_to_length (error_throw, &num);
jcontext_release_exception ();
TEST_ASSERT (ECMA_IS_VALUE_ERROR (result));
/* zero */
ecma_value_t zero = ecma_make_int32_value (0);
result = ecma_op_to_length (zero, &num);
ecma_free_value (zero);
TEST_ASSERT (!ECMA_IS_VALUE_ERROR (result));
TEST_ASSERT (num == 0);
/* negative */
ecma_value_t negative = ecma_make_number_value (-26.5973f);
result = ecma_op_to_length (negative, &num);
ecma_free_value (negative);
TEST_ASSERT (!ECMA_IS_VALUE_ERROR (result));
#if ENABLED (JERRY_ESNEXT)
TEST_ASSERT (num == 0);
#else /* !ENABLED (JERRY_ESNEXT) */
TEST_ASSERT (num == 4294967270);
#endif /* ENABLED (JERRY_ESNEXT) */
/* +infinity */
ecma_value_t positive_infinity = ecma_make_number_value (ecma_number_make_infinity (false));
result = ecma_op_to_length (positive_infinity, &num);
ecma_free_value (positive_infinity);
TEST_ASSERT (!ECMA_IS_VALUE_ERROR (result));
#if ENABLED (JERRY_ESNEXT)
TEST_ASSERT (num == ECMA_NUMBER_MAX_SAFE_INTEGER);
#else /* !ENABLED (JERRY_ESNEXT) */
TEST_ASSERT (num == 0);
#endif /* ENABLED (JERRY_ESNEXT) */
/* -infinity */
ecma_value_t negative_infinity = ecma_make_number_value (ecma_number_make_infinity (true));
result = ecma_op_to_length (negative_infinity, &num);
ecma_free_value (negative_infinity);
TEST_ASSERT (!ECMA_IS_VALUE_ERROR (result));
TEST_ASSERT (num == 0);
/* NaN */
ecma_value_t nan = ecma_make_nan_value ();
result = ecma_op_to_length (nan, &num);
ecma_free_value (nan);
TEST_ASSERT (!ECMA_IS_VALUE_ERROR (result));
TEST_ASSERT (num == 0);
ecma_finalize ();
jmem_finalize ();
return 0;
} /* main */