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Create API for handling BigInts (#4111)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-08-07 13:43:29 +02:00
committed by GitHub
parent 082085a8fd
commit cb14682983
8 changed files with 833 additions and 54 deletions
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tests/test262-esnext-excludelist.xml
-3
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@@ -662,7 +662,6 @@
<test id="built-ins/BigInt/non-integer-rangeerror.js"><reason></reason></test>
<test id="built-ins/BigInt/prototype/toString/a-z.js"><reason></reason></test>
<test id="built-ins/BigInt/prototype/toString/length.js"><reason></reason></test>
<test id="built-ins/BigInt/prototype/toString/string-is-code-units-of-decimal-digits-only.js"><reason></reason></test>
<test id="built-ins/BigInt/prototype/valueOf/cross-realm.js"><reason></reason></test>
<test id="built-ins/Boolean/proto-from-ctor-realm.js"><reason></reason></test>
<test id="built-ins/DataView/buffer-does-not-have-arraybuffer-data-throws-sab.js"><reason></reason></test>
@@ -1097,7 +1096,6 @@
<test id="built-ins/Object/fromEntries/uses-keys-not-iterator.js"><reason></reason></test>
<test id="built-ins/Object/keys/order-after-define-property.js"><reason></reason></test>
<test id="built-ins/Object/proto-from-ctor-realm.js"><reason></reason></test>
<test id="built-ins/Object/prototype/toString/Object.prototype.toString.call-bigint.js"><reason></reason></test>
<test id="built-ins/Object/prototype/toString/proxy-function.js"><reason></reason></test>
<test id="built-ins/Object/prototype/toString/symbol-tag-non-str-bigint.js"><reason></reason></test>
<test id="built-ins/Object/prototype/toString/symbol-tag-non-str-builtin.js"><reason></reason></test>
@@ -6833,7 +6831,6 @@
<test id="language/expressions/tagged-template/tco-member.js"><reason></reason></test>
<test id="language/expressions/tco-pos.js"><reason></reason></test>
<test id="language/expressions/template-literal/invalid-legacy-octal-escape-sequence.js"><reason></reason></test>
<test id="language/expressions/typeof/bigint.js"><reason></reason></test>
<test id="language/expressions/typeof/proxy.js"><reason></reason></test>
<test id="language/expressions/unary-plus/bigint-throws.js"><reason></reason></test>
<test id="language/expressions/yield/star-return-is-null.js"><reason></reason></test>
tests/unit-core/test-bigint.c
+186
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@@ -0,0 +1,186 @@
/* 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 "jerryscript.h"
#include "test-common.h"
int
main (void)
{
if (!jerry_is_feature_enabled (JERRY_FEATURE_BIGINT))
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Bigint support is disabled!\n");
return 0;
}
jerry_init (JERRY_INIT_EMPTY);
jerry_value_t string = jerry_create_string ((const jerry_char_t *) "0xfffffff1fffffff2fffffff3");
TEST_ASSERT (!jerry_value_is_error (string));
jerry_value_t bigint = jerry_value_to_bigint (string);
jerry_release_value (string);
TEST_ASSERT (!jerry_value_is_error (bigint));
TEST_ASSERT (jerry_value_is_bigint (bigint));
string = jerry_value_to_string (bigint);
TEST_ASSERT (!jerry_value_is_error (string));
static jerry_char_t str_buffer[64];
const char *expected_string_p = "79228162256009920505775652851";
jerry_size_t size = jerry_string_to_char_buffer (string, str_buffer, sizeof (str_buffer));
TEST_ASSERT (size == strlen (expected_string_p));
TEST_ASSERT (memcmp (str_buffer, expected_string_p, size) == 0);
jerry_release_value (string);
TEST_ASSERT (jerry_get_bigint_size_in_digits (bigint) == 2);
uint64_t digits_buffer[4];
bool sign;
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = true;
jerry_get_bigint_digits (bigint, digits_buffer, 0, &sign);
TEST_ASSERT (sign == false);
TEST_ASSERT (digits_buffer[0] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[1] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[2] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = true;
jerry_get_bigint_digits (bigint, digits_buffer, 1, &sign);
TEST_ASSERT (sign == false);
TEST_ASSERT (digits_buffer[0] == 0xfffffff2fffffff3ull);
TEST_ASSERT (digits_buffer[1] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[2] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = true;
jerry_get_bigint_digits (bigint, digits_buffer, 2, &sign);
TEST_ASSERT (sign == false);
TEST_ASSERT (digits_buffer[0] == 0xfffffff2fffffff3ull);
TEST_ASSERT (digits_buffer[1] == 0xfffffff1ull);
TEST_ASSERT (digits_buffer[2] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = true;
jerry_get_bigint_digits (bigint, digits_buffer, 3, &sign);
TEST_ASSERT (sign == false);
TEST_ASSERT (digits_buffer[0] == 0xfffffff2fffffff3ull);
TEST_ASSERT (digits_buffer[1] == 0xfffffff1ull);
TEST_ASSERT (digits_buffer[2] == 0);
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
memset (digits_buffer, 0xff, sizeof (digits_buffer));
jerry_get_bigint_digits (bigint, digits_buffer, 4, NULL);
TEST_ASSERT (digits_buffer[0] == 0xfffffff2fffffff3ull);
TEST_ASSERT (digits_buffer[1] == 0xfffffff1ull);
TEST_ASSERT (digits_buffer[2] == 0);
TEST_ASSERT (digits_buffer[3] == 0);
jerry_release_value (bigint);
digits_buffer[0] = 0;
digits_buffer[1] = 0;
digits_buffer[2] = 0;
/* Sign of zero value is always positive, even if we set negative. */
bigint = jerry_create_bigint (digits_buffer, 3, true);
TEST_ASSERT (jerry_value_is_bigint (bigint));
TEST_ASSERT (jerry_get_bigint_size_in_digits (bigint) == 0);
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = true;
jerry_get_bigint_digits (bigint, digits_buffer, 2, &sign);
TEST_ASSERT (sign == false);
TEST_ASSERT (digits_buffer[0] == 0);
TEST_ASSERT (digits_buffer[1] == 0);
TEST_ASSERT (digits_buffer[2] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
jerry_release_value (bigint);
digits_buffer[0] = 1;
digits_buffer[1] = 0;
digits_buffer[2] = 0;
digits_buffer[3] = 0;
bigint = jerry_create_bigint (digits_buffer, 4, true);
TEST_ASSERT (jerry_value_is_bigint (bigint));
TEST_ASSERT (jerry_get_bigint_size_in_digits (bigint) == 1);
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = false;
jerry_get_bigint_digits (bigint, digits_buffer, 1, &sign);
TEST_ASSERT (sign == true);
TEST_ASSERT (digits_buffer[0] == 1);
TEST_ASSERT (digits_buffer[1] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[2] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = false;
jerry_get_bigint_digits (bigint, digits_buffer, 2, &sign);
TEST_ASSERT (sign == true);
TEST_ASSERT (digits_buffer[0] == 1);
TEST_ASSERT (digits_buffer[1] == 0);
TEST_ASSERT (digits_buffer[2] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
jerry_release_value (bigint);
digits_buffer[0] = 0;
digits_buffer[1] = 1;
digits_buffer[2] = 0;
digits_buffer[3] = 0;
bigint = jerry_create_bigint (digits_buffer, 4, true);
TEST_ASSERT (jerry_value_is_bigint (bigint));
TEST_ASSERT (jerry_get_bigint_size_in_digits (bigint) == 2);
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = false;
jerry_get_bigint_digits (bigint, digits_buffer, 1, &sign);
TEST_ASSERT (sign == true);
TEST_ASSERT (digits_buffer[0] == 0);
TEST_ASSERT (digits_buffer[1] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[2] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = false;
jerry_get_bigint_digits (bigint, digits_buffer, 2, &sign);
TEST_ASSERT (sign == true);
TEST_ASSERT (digits_buffer[0] == 0);
TEST_ASSERT (digits_buffer[1] == 1);
TEST_ASSERT (digits_buffer[2] == ~((uint64_t) 0));
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
memset (digits_buffer, 0xff, sizeof (digits_buffer));
sign = false;
jerry_get_bigint_digits (bigint, digits_buffer, 3, &sign);
TEST_ASSERT (sign == true);
TEST_ASSERT (digits_buffer[0] == 0);
TEST_ASSERT (digits_buffer[1] == 1);
TEST_ASSERT (digits_buffer[2] == 0);
TEST_ASSERT (digits_buffer[3] == ~((uint64_t) 0));
jerry_release_value (bigint);
jerry_cleanup ();
return 0;
} /* main */