/*
 * cmock.c
 *
 *  Created on: Dec 9, 2010
 *      Author: mlong
 */

#include "embedded.h"
#include "../fff.h"
#include <assert.h>
#include <stdio.h>


FAKE_VOID_FUNC0(DISPLAY_init);
FAKE_VOID_FUNC0(DISPLAY_clear);
FAKE_VOID_FUNC1(DISPLAY_output_message, const char*);
FAKE_VALUE_FUNC0(int, DISPLAY_get_line_capacity);
FAKE_VALUE_FUNC0(int, DISPLAY_get_line_insert_index);
FAKE_VALUE_FUNC2(unsigned char, DISPLAY_get_pixel, unsigned int, unsigned int);

void setup()
{
	// Register resets
	RESET_FAKE(DISPLAY_init);
	RESET_FAKE(DISPLAY_clear);
	RESET_FAKE(DISPLAY_output_message);
	RESET_FAKE(DISPLAY_get_line_capacity);
	RESET_FAKE(DISPLAY_get_line_insert_index);

	// non default init
	DISPLAY_get_line_capacity_return_val = 10;
}

#define TEST_F(IGNORE, NAME) void NAME()
TEST_F(GreeterTests, init_initialises_display)
{
	UI_init();
	assert(1 == DISPLAY_init_call_count);
}

TEST_F(GreeterTests, given_name_when_greet_called_outputs_name)
{
	// given
	char name[] = "mike";
	// when
	UI_greet(name);
	// then
	assert(1 == DISPLAY_output_message_call_count);
	assert(name == DISPLAY_output_message_arg0_val);
}


TEST_F(GreeterTests, given_name_and_3_times_when_greetmultiple_called_outputs_name_3_times)
{
	// given
	char name[] = "mike";
	// when
	UI_greet_multiple_times(name, 3);
	// then
	assert(3 == DISPLAY_output_message_call_count);
	assert(name == DISPLAY_output_message_arg0_val);
}

TEST_F(GreeterTests, given_non_full_screen_will_not_reset_display)
{
	char name[] = "mike";
	// given
	DISPLAY_get_line_capacity_return_val = 10;
	DISPLAY_get_line_insert_index_return_val = 0;
	// when
	UI_greet(name);
	// then
	assert(0 == DISPLAY_clear_call_count);
	assert(1 == DISPLAY_output_message_call_count);
}

// Order assumption
TEST_F(GreeterTests, given_full_screen_single_will_reset_display_then_output)
{
	char name[] = "mike";
	// given
	DISPLAY_get_line_capacity_return_val = 1;
	DISPLAY_get_line_insert_index_return_val = 1;
	// when
	UI_greet(name);
	// then
	assert(1 == DISPLAY_clear_call_count);
	assert(1 == DISPLAY_output_message_call_count);
}

// Order assumption
TEST_F(GreeterTests, given_full_screen_multiple_will_reset_display_then_output)
{
	char name[] = "mike";
	// given
	DISPLAY_get_line_capacity_return_val = 4;
	DISPLAY_get_line_insert_index_return_val = 4;
	// when
	UI_greet_multiple_times(name, 1);
	// then
	assert(1 == DISPLAY_clear_call_count);
	assert(1 == DISPLAY_output_message_call_count);
}

#define RUN_TEST(TESTNAME) printf("Running %s\n", #TESTNAME); setup(); TESTNAME();
int main()
{
	RUN_TEST(init_initialises_display);
	RUN_TEST(given_name_when_greet_called_outputs_name);
	RUN_TEST(given_name_when_greet_called_outputs_name);
	RUN_TEST(given_name_and_3_times_when_greetmultiple_called_outputs_name_3_times);
	RUN_TEST(given_full_screen_single_will_reset_display_then_output);
	RUN_TEST(given_full_screen_multiple_will_reset_display_then_output);
	return 0;
}