68 lines
1.2 KiB
C
68 lines
1.2 KiB
C
#include <inttypes.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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struct atoi_data
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{
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char string[15]; // int max 2147483647
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int ret_num;
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};
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struct atoi_data test_data[] =
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{
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/* positive integer */
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{"0", 0},
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{"1", 1},
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{"1.123", 1},
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{"123", 123},
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{"98993489", 98993489},
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{"98993489.12", 98993489},
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{"2147483647", 2147483647},
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/* negtive integer */
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{"-1", -1},
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{"-1.123", -1},
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{"-123", -123},
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{"-98993489", -98993489},
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{"-98993489.12", -98993489},
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{"-2147483647", -2147483647},
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/* letters and numbers */
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{"12a45", 12},
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{"-12a45", -12},
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{"12/45", 12},
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{"-12/45", -12},
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/* cannot be resolved */
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{"", 0},
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{" ", 0},
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{"abc12", 0},
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{" abc12", 0},
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/* {NULL, -1} compiler warning */
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};
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#include <utest.h>
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int atoi_entry(void)
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{
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int i = 0;
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int res = 0;
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for (i = 0; i < sizeof(test_data) / sizeof(test_data[0]); i++)
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{
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res = atoi(test_data[i].string);
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uassert_int_equal(res, test_data[i].ret_num);
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}
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return 0;
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}
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static void test_atoi(void)
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{
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atoi_entry();
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}
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static void testcase(void)
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{
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UTEST_UNIT_RUN(test_atoi);
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}
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UTEST_TC_EXPORT(testcase, "posix.stdlib_h.atoi_tc.c", RT_NULL, RT_NULL, 10);
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