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#include "CUnit/Basic.h"

#include "ioat/ioat.c"

static void ioat_state_check(void)
{
	/*
	 * CHANSTS's STATUS field is 3 bits (8 possible values), but only has 5 valid states:
	 * ACTIVE	0x0
	 * IDLE		0x1
	 * SUSPENDED	0x2
	 * HALTED	0x3
	 * ARMED	0x4
	 */

	CU_ASSERT(is_ioat_active(0) == 1); /* ACTIVE */
	CU_ASSERT(is_ioat_active(1) == 0); /* IDLE */
	CU_ASSERT(is_ioat_active(2) == 0); /* SUSPENDED */
	CU_ASSERT(is_ioat_active(3) == 0); /* HALTED */
	CU_ASSERT(is_ioat_active(4) == 0); /* ARMED */
	CU_ASSERT(is_ioat_active(5) == 0); /* reserved */
	CU_ASSERT(is_ioat_active(6) == 0); /* reserved */
	CU_ASSERT(is_ioat_active(7) == 0); /* reserved */

	CU_ASSERT(is_ioat_idle(0) == 0); /* ACTIVE */
	CU_ASSERT(is_ioat_idle(1) == 1); /* IDLE */
	CU_ASSERT(is_ioat_idle(2) == 0); /* SUSPENDED */
	CU_ASSERT(is_ioat_idle(3) == 0); /* HALTED */
	CU_ASSERT(is_ioat_idle(4) == 0); /* ARMED */
	CU_ASSERT(is_ioat_idle(5) == 0); /* reserved */
	CU_ASSERT(is_ioat_idle(6) == 0); /* reserved */
	CU_ASSERT(is_ioat_idle(7) == 0); /* reserved */

	CU_ASSERT(is_ioat_suspended(0) == 0); /* ACTIVE */
	CU_ASSERT(is_ioat_suspended(1) == 0); /* IDLE */
	CU_ASSERT(is_ioat_suspended(2) == 1); /* SUSPENDED */
	CU_ASSERT(is_ioat_suspended(3) == 0); /* HALTED */
	CU_ASSERT(is_ioat_suspended(4) == 0); /* ARMED */
	CU_ASSERT(is_ioat_suspended(5) == 0); /* reserved */
	CU_ASSERT(is_ioat_suspended(6) == 0); /* reserved */
	CU_ASSERT(is_ioat_suspended(7) == 0); /* reserved */

	CU_ASSERT(is_ioat_halted(0) == 0); /* ACTIVE */
	CU_ASSERT(is_ioat_halted(1) == 0); /* IDLE */
	CU_ASSERT(is_ioat_halted(2) == 0); /* SUSPENDED */
	CU_ASSERT(is_ioat_halted(3) == 1); /* HALTED */
	CU_ASSERT(is_ioat_halted(4) == 0); /* ARMED */
	CU_ASSERT(is_ioat_halted(5) == 0); /* reserved */
	CU_ASSERT(is_ioat_halted(6) == 0); /* reserved */
	CU_ASSERT(is_ioat_halted(7) == 0); /* reserved */
}

int main(int argc, char **argv)
{
	CU_pSuite	suite = NULL;
	unsigned int	num_failures;

	if (CU_initialize_registry() != CUE_SUCCESS) {
		return CU_get_error();
	}

	suite = CU_add_suite("ioat", NULL, NULL);
	if (suite == NULL) {
		CU_cleanup_registry();
		return CU_get_error();
	}

	if (
		CU_add_test(suite, "ioat_state_check", ioat_state_check) == NULL) {
		CU_cleanup_registry();
		return CU_get_error();
	}

	CU_basic_set_mode(CU_BRM_VERBOSE);
	CU_basic_run_tests();
	num_failures = CU_get_number_of_failures();
	CU_cleanup_registry();
	return num_failures;
}