/*
 * Copyright 2014 (c) Anna Schumaker.
 */
#include <core/random.h>
#include <core/string.h>
#include "test.h"


static void test_rng(unsigned int seed)
{
	random_seed(seed);

	for (unsigned int i = 0; i <= 10; i++) {
		if (i <= seed)
			test_equal(random(seed, i), seed);
		else
			test_equal(random(seed, i), seed + (i % (i - seed)));
	}
}


static void test_rng_0() { test_rng(0); }
static void test_rng_1() { test_rng(1); }
static void test_rng_2() { test_rng(2); }
static void test_rng_3() { test_rng(3); }
static void test_rng_4() { test_rng(4); }
static void test_rng_5() { test_rng(5); }
static void test_rng_6() { test_rng(6); }
static void test_rng_7() { test_rng(7); }
static void test_rng_8() { test_rng(8); }
static void test_rng_9() { test_rng(9); }


DECLARE_UNIT_TESTS(
	UNIT_TEST("Random Number Generator (seed = 0)", test_rng_0),
	UNIT_TEST("Random Number Generator (seed = 1)", test_rng_1),
	UNIT_TEST("Random Number Generator (seed = 2)", test_rng_2),
	UNIT_TEST("Random Number Generator (seed = 3)", test_rng_3),
	UNIT_TEST("Random Number Generator (seed = 4)", test_rng_4),
	UNIT_TEST("Random Number Generator (seed = 5)", test_rng_5),
	UNIT_TEST("Random Number Generator (seed = 6)", test_rng_6),
	UNIT_TEST("Random Number Generator (seed = 7)", test_rng_7),
	UNIT_TEST("Random Number Generator (seed = 8)", test_rng_8),
	UNIT_TEST("Random Number Generator (seed = 9)", test_rng_9),
);