Blame src/functional/strtol.c

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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "test.h"
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/* r = place to store result
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 * f = function call to test (or any expression)
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 * x = expected result
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 * m = message to print on failure (with formats for r & x)
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**/
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#define TEST(r, f, x, m) ( \
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	errno = 0, msg = #f, ((r) = (f)) == (x) || \
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	(error("%s failed (" m ")\n", #f, r, x), 0) )
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#define TEST2(r, f, x, m) ( \
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	((r) = (f)) == (x) || \
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	(error("%s failed (" m ")\n", msg, r, x), 0) )
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int main(void)
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{
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	int i;
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	long l;
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	unsigned long ul;
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	char *msg="";
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	char *s, *c;
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	TEST(l, atol("2147483647"), 2147483647L, "max 32bit signed %ld != %ld");
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	TEST(l, strtol("2147483647", 0, 0), 2147483647L, "max 32bit signed %ld != %ld");
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	TEST(ul, strtoul("4294967295", 0, 0), 4294967295UL, "max 32bit unsigned %lu != %lu");
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	if (sizeof(long) == 4) {
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		TEST(l, strtol(s="2147483648", &c, 0), 2147483647L, "uncaught overflow %ld != %ld");
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		TEST2(i, c-s, 10, "wrong final position %d != %d");
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		TEST2(i, errno, ERANGE, "missing errno %d != %d");
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		TEST(l, strtol(s="-2147483649", &c, 0), -2147483647L-1, "uncaught overflow %ld != %ld");
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		TEST2(i, c-s, 11, "wrong final position %d != %d");
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		TEST2(i, errno, ERANGE, "missing errno %d != %d");
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		TEST(ul, strtoul(s="4294967296", &c, 0), 4294967295UL, "uncaught overflow %lu != %lu");
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		TEST2(i, c-s, 10, "wrong final position %d != %d");
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		TEST2(i, errno, ERANGE, "missing errno %d != %d");
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		TEST(ul, strtoul(s="-1", &c, 0), -1UL, "rejected negative %lu != %lu");
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		TEST2(i, c-s, 2, "wrong final position %d != %d");
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		TEST2(i, errno, 0, "spurious errno %d != %d");
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		TEST(ul, strtoul(s="-2", &c, 0), -2UL, "rejected negative %lu != %lu");
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		TEST2(i, c-s, 2, "wrong final position %d != %d");
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		TEST2(i, errno, 0, "spurious errno %d != %d");
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		TEST(ul, strtoul(s="-2147483648", &c, 0), -2147483648UL, "rejected negative %lu != %lu");
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		TEST2(i, c-s, 11, "wrong final position %d != %d");
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		TEST2(i, errno, 0, "spurious errno %d != %d");
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		TEST(ul, strtoul(s="-2147483649", &c, 0), -2147483649UL, "rejected negative %lu != %lu");
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		TEST2(i, c-s, 11, "wrong final position %d != %d");
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		TEST2(i, errno, 0, "spurious errno %d != %d");
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	} else {
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		TEST(i, 0, 1, "64bit tests not implemented");
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	}
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	TEST(l, strtol("z", 0, 36), 35, "%ld != %ld");
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	TEST(l, strtol("00010010001101000101011001111000", 0, 2), 0x12345678, "%ld != %ld");
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	TEST(l, strtol(s="0F5F", &c, 16), 0x0f5f, "%ld != %ld");
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	TEST(l, strtol(s="0xz", &c, 16), 0, "%ld != %ld");
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	TEST2(i, c-s, 1, "wrong final position %ld != %ld");
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	TEST(l, strtol(s="0x1234", &c, 16), 0x1234, "%ld != %ld");
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	TEST2(i, c-s, 6, "wrong final position %ld != %ld");
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	c = NULL;
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	TEST(l, strtol(s="123", &c, 37), 0, "%ld != %ld");
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	TEST2(i, c-s, 0, "wrong final position %d != %d");
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	TEST2(i, errno, EINVAL, "%d != %d");
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	TEST(l, strtol(s="  15437", &c, 8), 015437, "%ld != %ld");
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	TEST2(i, c-s, 7, "wrong final position %d != %d");
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	TEST(l, strtol(s="  1", &c, 0), 1, "%ld != %ld");
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	TEST2(i, c-s, 3, "wrong final position %d != %d");
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	return test_status;
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}