/**
 * @file tests/device_token.cpp
 * @brief brief
 * @date Mar 14, 2016
 * @author jjacobs
 * @copyright 2016 Dual Inventive Technology Centre B.V.
 *
 * descr
 */
#include <gtest/gtest.h>

#include <di/device.h>

/**
 * Check if initial device state is set to DI_DEVICE_TOKEN_DEFAULT_VALUE (0)
 */
TEST(device_token, initial) {
	EXPECT_EQ(0U, DI_DEVICE_TOKEN_DEFAULT_VALUE);
	EXPECT_EQ(DI_DEVICE_TOKEN_DEFAULT_VALUE, di_device_token_get());
}

TEST(device_token, set) {
	/* Initial token, zero may not be written to zero */
	EXPECT_EQ(DNE_FIRMWARE_MISMATCH_TOKEN, di_device_token_set(0));
	EXPECT_EQ(DNE_FIRMWARE_MISMATCH_TOKEN, di_device_token_set(DI_DEVICE_TOKEN_DEFAULT_VALUE));

	/* Normal operation */
 	EXPECT_EQ(DNOK, di_device_token_set(1234));
 	EXPECT_EQ(1234U, di_device_token_get());

 	/* Set token again */
 	EXPECT_EQ(DNOK, di_device_token_set(1234));
 	EXPECT_EQ(1234U, di_device_token_get());

 	/* Token is not reset/overwritten when already set */
 	EXPECT_EQ(DNE_FIRMWARE_MISMATCH_TOKEN, di_device_token_set(0));
 	EXPECT_EQ(1234U, di_device_token_get());

 	/* Token set operation denied in ACTIVE state */
 	EXPECT_EQ(DNOK, di_device_activate());
 	EXPECT_EQ(true, di_device_is_active());

 	EXPECT_EQ(DNE_FIRMWARE_DEVICE_ACTIVE, di_device_token_set(5678));
 	EXPECT_EQ(1234U, di_device_token_get());

 	/* Reset, ACTIVE -> ARMED -> IDLE */
 	EXPECT_EQ(DNOK, di_device_deactivate());
 	EXPECT_EQ(DNOK, di_device_token_reset());
}

/**
 * Test token reset, it is only valid when di_device_state is
 *  set to DI_DEVICE_STATE_ARMED
 */
 TEST(device_token, reset) {
 	/* Initial token may not be reset (IDLE state) */
 	EXPECT_EQ(DNE_FIRMWARE_DEVICE_IDLE, di_device_token_reset());

 	/* Reset after set */
  	EXPECT_EQ(DNOK, di_device_token_set(5678));
  	EXPECT_EQ(5678U, di_device_token_get());

  	EXPECT_EQ(DNOK, di_device_token_reset());
  	EXPECT_EQ(DI_DEVICE_TOKEN_DEFAULT_VALUE, di_device_token_get());

 	/* Token reset operation denied in ACTIVE state */
  	EXPECT_EQ(DNOK, di_device_token_set(1234));
  	EXPECT_EQ(DNOK, di_device_activate());

  	EXPECT_EQ(DNE_FIRMWARE_DEVICE_ACTIVE, di_device_token_reset());

  	/* Reset, ACTIVE -> ARMED -> IDLE */
  	EXPECT_EQ(DNOK, di_device_deactivate());
  	EXPECT_EQ(DNOK, di_device_token_reset());
  	EXPECT_EQ(DI_DEVICE_TOKEN_DEFAULT_VALUE, di_device_token_get());
 }