#include <inttypes.h>

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include "test.h"

static int scmp(const void *a, const void *b)

{

	return strcmp(*(char **)a, *(char **)b);

}

static int icmp(const void *a, const void *b)

{

	return *(int*)a - *(int*)b;

}

static int ccmp(const void *a, const void *b)

{

	return *(char*)a - *(char*)b;

}

static int cmp64(const void *a, const void *b)

{

	const uint64_t *ua = a, *ub = b;

	return *ua < *ub ? -1 : *ua != *ub;

}

/* 26 items -- even */

static const char *s[] = {

	"Bob", "Alice", "John", "Ceres",

	"Helga", "Drepper", "Emeralda", "Zoran",

	"Momo", "Frank", "Pema", "Xavier",

	"Yeva", "Gedun", "Irina", "Nono",

	"Wiener", "Vincent", "Tsering", "Karnica",

	"Lulu", "Quincy", "Osama", "Riley",

	"Ursula", "Sam"

};

static const char *s_sorted[] = {

	"Alice", "Bob", "Ceres", "Drepper",

	"Emeralda", "Frank", "Gedun", "Helga",

	"Irina", "John", "Karnica", "Lulu",

	"Momo", "Nono", "Osama", "Pema",

	"Quincy", "Riley", "Sam", "Tsering",

	"Ursula", "Vincent", "Wiener", "Xavier",

	"Yeva", "Zoran"

};

/* 23 items -- odd, prime */

static int n[] = {

	879045, 394, 99405644, 33434, 232323, 4334, 5454,

	343, 45545, 454, 324, 22, 34344, 233, 45345, 343,

	848405, 3434, 3434344, 3535, 93994, 2230404, 4334

};

static int n_sorted[] = {

	22, 233, 324, 343, 343, 394, 454, 3434,

	3535, 4334, 4334, 5454, 33434, 34344, 45345, 45545,

	93994, 232323, 848405, 879045, 2230404, 3434344, 99405644

};

static void str_test(const char **a, const char **a_sorted, int len)

{

	int i;

	qsort(a, len, sizeof *a, scmp);

	for (i=0; i

		if (strcmp(a[i], a_sorted[i]) != 0) {

			t_error("string sort failed at index %d\n", i);

			t_printf("\ti\tgot\twant\n");

			for (i=0; i

				t_printf("\t%d\t%s\t%s\n", i, a[i], a_sorted[i]);

			break;

		}

	}

}

static void int_test(int *a, int *a_sorted, int len)

{

	int i;

	qsort(a, len, sizeof *a, icmp);

	for (i=0; i

		if (a[i] != a_sorted[i]) {

			t_error("integer sort failed at index %d\n", i);

			t_printf("\ti\tgot\twant\n");

			for (i=0; i

				t_printf("\t%d\t%d\t%d\n", i, a[i], a_sorted[i]);

			break;

		}

	}

}

static void uint64_gen(uint64_t *p, uint64_t *p_sorted, int n)

{

	int i;

	uint64_t r = 0;

	t_randseed(n);

	for (i = 0; i < n; i++) {

		r += t_randn(20);

		p[i] = r;

	}

	memcpy(p_sorted, p, n * sizeof *p);

	t_shuffle(p, n);

}

static void uint64_test(uint64_t *a, uint64_t *a_sorted, int len)

{

	int i;

	qsort(a, len, sizeof *a, cmp64);

	for (i=0; i

		if (a[i] != a_sorted[i]) {

			t_error("uint64 sort failed at index %d\n", i);

			t_printf("\ti\tgot\twant\n");

			for (i=0; i

				t_printf("\t%d\t%" PRIu64 "\t%" PRIu64 "\n", i, a[i], a_sorted[i]);

			break;

		}

	}

}

#define T(a, a_sorted) do { \

	char p[] = a; \

	qsort(p, sizeof p - 1, 1, ccmp); \

	if (memcmp(p, a_sorted, sizeof p) != 0) { \

		t_error("character sort failed\n"); \

		t_printf("\tgot:  \"%s\"\n", p); \

		t_printf("\twant: \"%s\"\n", a_sorted); \

	} \

} while(0)

static void char_test(void)

{

	T("", "");

	T("1", "1");

	T("11", "11");

	T("12", "12");

	T("21", "12");

	T("111", "111");

	T("211", "112");

	T("121", "112");

	T("112", "112");

	T("221", "122");

	T("212", "122");

	T("122", "122");

	T("123", "123");

	T("132", "123");

	T("213", "123");

	T("231", "123");

	T("321", "123");

	T("312", "123");

	T("1423", "1234");

	T("51342", "12345");

	T("261435", "123456");

	T("4517263", "1234567");

	T("37245618", "12345678");

	T("812436597", "123456789");

	T("987654321", "123456789");

	T("321321321", "111222333");

	T("49735862185236174", "11223344556677889");

}

int main(void)

{

	int i;

	str_test(s, s_sorted, sizeof s/sizeof*s);

	int_test(n, n_sorted, sizeof n/sizeof*n);

	char_test();

	for (i = 1023; i<=1026; i++) {

		uint64_t p[1026], p_sorted[1026];

		uint64_gen(p, p_sorted, i);

		uint64_test(p, p_sorted, i);

	}

	return t_status;

}