/*
 * Copyright 2014 (c) Anna Schumaker.
 * Test the idle queue
 */
#include <core/idle.h>
#include <core/string.h>
#include <tests/test.h>

static unsigned int cur = -1;
static bool func_passed = false;

static bool inc_cur(void *data)
{
	unsigned int expected = GPOINTER_TO_INT(data);
	cur++;
	func_passed = (cur == expected);
	return true;
}


static void test_idle_queue(unsigned int n)
{
	cur = -1;

	idle_init();

	test_equal(idle_progress(), (float)1.0);
	test_equal(idle_run_task(), (bool)false);

	for (unsigned int i = 0; i < n; i++)
		idle_schedule(IDLE_SYNC, inc_cur, GINT_TO_POINTER(i));
	test_equal(idle_progress(), (float)0.0);

	for (unsigned int i = 0; i < (n - 1); i++) {
		test_loop_equal(idle_run_task(), (bool)true, i);
		test_loop_equal(idle_progress(), ((i + 1) / (float)n), i);
		test_loop_equal(func_passed, (bool)true, i);
	} test_loop_passed();

	test_equal(idle_run_task(), (bool)false);
	test_equal(idle_progress(), (float)1.0);

	for (unsigned int i = n; i < (2 * n); i++)
		idle_schedule(IDLE_ASYNC, inc_cur, GINT_TO_POINTER(i));
	while (idle_run_task()) {}
	test_equal(idle_progress(), (float)1.0);
	test_equal(func_passed, (bool)true);
	test_equal(cur, (2 * n) - 1);

	for (unsigned int i = 0; i < n; i++)
		idle_schedule(IDLE_SYNC, inc_cur, GINT_TO_POINTER(i));
	test_equal(idle_progress(), (float)0.0);

	idle_deinit();
	test_equal(idle_progress(), (float)1.0);
}


static void test_idle_queue_10()     { test_idle_queue(10);     }
static void test_idle_queue_100()    { test_idle_queue(100);    }
static void test_idle_queue_1000()   { test_idle_queue(1000);   }
static void test_idle_queue_10000()  { test_idle_queue(10000);  }
static void test_idle_queue_100000() { test_idle_queue(100000); }


DECLARE_UNIT_TESTS(
	UNIT_TEST("Idle Queue (n = 10)",     test_idle_queue_10),
	UNIT_TEST("Idle Queue (n = 100)",    test_idle_queue_100),
	UNIT_TEST("Idle Queue (n = 1000)",   test_idle_queue_1000),
	UNIT_TEST("Idle Queue (n = 10000)",  test_idle_queue_10000),
	UNIT_TEST("Idle Queue (n = 100000)", test_idle_queue_100000),
);