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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST


extern inline char *libsimple_strntolower(char *, const char *, size_t);


#else
#include "test.h"

int
main(void)
{
	char buf[100];

	stpcpy(buf, "ABCDEabcde12345");
	assert(!strcmpnul(libsimple_strntolower(&buf[3], &buf[0], SIZE_MAX), "abcdeabcde12345"));
	assert(!strcmp(buf, "ABCabcdeabcde12345"));
	stpcpy(buf, "ABCDEabcde12345");
	assert(!strcmpnul(libsimple_strntolower(&buf[0], &buf[3], SIZE_MAX), "deabcde12345"));
	assert(!strcmp(buf, "deabcde12345"));
	stpcpy(buf, "ABCDEabcde12345");
	assert(!strcmpnul(libsimple_strntolower(&buf[0], &buf[0], SIZE_MAX), "abcdeabcde12345"));
	assert(!strcmp(buf, "abcdeabcde12345"));

	memset(buf, 0, sizeof(buf));
	stpcpy(buf, "ABCDEabcde12345");
	buf[18] = 'X';
	assert(!strcmpnul(libsimple_strntolower(&buf[3], &buf[0], 15), "abcdeabcde12345X"));
	assert(!strcmp(buf, "ABCabcdeabcde12345X"));
	memset(buf, 0, sizeof(buf));
	stpcpy(buf, "ABCDEabcde12345");
	assert(!strcmpnul(libsimple_strntolower(&buf[0], &buf[3], 12), "deabcde12345345"));
	assert(!strcmp(buf, "deabcde12345345"));
	memset(buf, 0, sizeof(buf));
	stpcpy(buf, "ABCDEabcde12345X");
	assert(!strcmpnul(libsimple_strntolower(&buf[0], &buf[0], 15), "abcdeabcde12345X"));
	assert(!strcmp(buf, "abcdeabcde12345X"));

	memset(buf, 0, sizeof(buf));
	stpcpy(buf, "ABCDEabcde12345");
	assert(!strcmpnul(libsimple_strntolower(&buf[3], &buf[0], 0), "DEabcde12345"));
	assert(!strcmp(buf, "ABCDEabcde12345"));
	memset(buf, 0, sizeof(buf));
	stpcpy(buf, "ABCDEabcde12345");
	assert(!strcmpnul(libsimple_strntolower(&buf[0], &buf[3], 0), "ABCDEabcde12345"));
	assert(!strcmp(buf, "ABCDEabcde12345"));
	memset(buf, 0, sizeof(buf));
	stpcpy(buf, "ABCDEabcde12345");
	assert(!strcmpnul(libsimple_strntolower(&buf[0], &buf[0], 0), "ABCDEabcde12345"));
	assert(!strcmp(buf, "ABCDEabcde12345"));

	return 0;
}

#endif