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941930bc9d
Add regression coverage for integer conversions with explicit bases from 2 through 36. Exercise lower- and upper-case digits, positional values, all six strto* interfaces, end pointers, errno, and the invalid range boundaries. The tests fail at base 27 without apache/nuttx#19594 and pass with the corresponding libc fix. Signed-off-by: hanzhijian <hanzhijian@zepp.com>
122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/****************************************************************************
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* apps/testing/ostest/libc_strto.c
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <assert.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include "ostest.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int strto_test(void)
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{
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unsigned long value;
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char input[3];
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char *endptr;
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int base;
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/* Verify the largest lower- and upper-case digit and a positional value
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* in every supported explicit base.
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*/
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input[1] = '!';
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input[2] = '\0';
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for (base = 2; base <= 36; base++)
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{
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input[0] = base <= 10 ? '0' + base - 1 : 'a' + base - 11;
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errno = 0;
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value = strtoul(input, &endptr, base);
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ASSERT(value == (unsigned long)base - 1);
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ASSERT(endptr == input + 1);
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ASSERT(errno == 0);
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if (base > 10)
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{
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input[0] = 'A' + base - 11;
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errno = 0;
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value = strtoul(input, &endptr, base);
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ASSERT(value == (unsigned long)base - 1);
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ASSERT(endptr == input + 1);
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ASSERT(errno == 0);
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}
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errno = 0;
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value = strtoul("10!", &endptr, base);
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ASSERT(value == (unsigned long)base);
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ASSERT(*endptr == '!');
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ASSERT(errno == 0);
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}
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/* All public integer conversion interfaces share this base validation. */
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errno = 0;
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ASSERT(strtol("z!", &endptr, 36) == 35);
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ASSERT(*endptr == '!');
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ASSERT(errno == 0);
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errno = 0;
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ASSERT(strtoul("z!", &endptr, 36) == 35);
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ASSERT(*endptr == '!');
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ASSERT(errno == 0);
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errno = 0;
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ASSERT(strtoll("z!", &endptr, 36) == 35);
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ASSERT(*endptr == '!');
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ASSERT(errno == 0);
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errno = 0;
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ASSERT(strtoull("z!", &endptr, 36) == 35);
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ASSERT(*endptr == '!');
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ASSERT(errno == 0);
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errno = 0;
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ASSERT(strtoimax("z!", &endptr, 36) == 35);
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ASSERT(*endptr == '!');
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ASSERT(errno == 0);
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errno = 0;
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ASSERT(strtoumax("z!", &endptr, 36) == 35);
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ASSERT(*endptr == '!');
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ASSERT(errno == 0);
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/* Bases outside the supported range remain invalid. */
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errno = 0;
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ASSERT(strtoul("10", &endptr, 1) == 0);
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ASSERT(errno == EINVAL);
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errno = 0;
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ASSERT(strtoul("10", &endptr, 37) == 0);
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ASSERT(errno == EINVAL);
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return OK;
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}
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