Merge pull request #11 from vinitjames/feature/samples

Feature/samples

Author: vinitjames

samples/CMakeLists.txt

@@ -1,14 +1,20 @@
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-add_executable(sample_circularbuffer sample_circularbuffer.cpp)
-target_link_libraries(sample_circularbuffer
+add_executable(sample_int_buffer sample_int_buffer.cpp)
+target_link_libraries(sample_int_buffer
 					  PRIVATE
 					  circularbuffer
 					  )
 
-add_executable(sample_stringbuffer sample_stringbuffer.cpp)
-target_link_libraries(sample_stringbuffer
+add_executable(sample_string_buffer sample_string_buffer.cpp)
+target_link_libraries(sample_string_buffer
+					  PRIVATE
+					  circularbuffer
+					  )
+
+add_executable(sample_custom_buffer sample_custom_buffer.cpp)
+target_link_libraries(sample_custom_buffer
 					  PRIVATE
 					  circularbuffer
 					  )

samples/sample_circularbuffer.cpp

@@ -0,0 +1,75 @@
+#include "circular_buffer.h"
+#include <iostream>
+#include <string.h>
+#include <vector>
+#include <thread>
+#include <chrono>
+
+struct custom_struct{
+	static int count ; 
+	char* bytes =nullptr;
+	int id = 0;
+	custom_struct(){
+		bytes = (char*)malloc(100);
+		id = count;
+		std::cout<<"constructing custom_struct: "<<count++<<"\n";
+	}
+	
+	custom_struct(const custom_struct& other){
+		bytes = (char*)malloc(100);
+		memcpy(bytes, other.bytes,100);
+		std::cout<<"copy constructor called for custom_struct \n";
+	}
+
+	custom_struct(custom_struct&& other){
+		bytes = other.bytes;
+		other.bytes = nullptr;
+		std::cout<<"move constructor called for custom_struct \n";
+	}
+	
+	custom_struct& operator=(const custom_struct& other){
+		memcpy(bytes, other.bytes,100);
+		std::cout<<"assignment operator called for custom_struct \n";
+		return *this;
+	}
+
+	custom_struct& operator=(custom_struct&& other){
+		delete(bytes);
+		bytes = other.bytes;
+		other.bytes = nullptr;
+		std::cout<<"move assignment operator called for custom_struct \n";
+		return *this;
+	}
+	
+	~custom_struct(){
+		std::cout<<"destructor called for test struct "<<id<<std::endl;
+		count--;
+		free(bytes);
+		bytes = nullptr;
+	}
+
+	friend std::ostream& operator<<(std::ostream& os, const custom_struct& ts){
+		return os<<"Printing struct no: "<< ts.id<<"\n";
+	}
+	
+
+};
+
+int custom_struct::count =0;
+
+
+int main(int argc, char *argv[])
+{   
+	CircularBuffer<custom_struct> custom_buffer(5);
+	custom_struct element;
+	for (int i = 0; i < 10; ++i) {
+		custom_buffer.push_back(element);		
+	}
+
+	CircularBuffer<custom_struct> buffermoved = std::move(custom_buffer);
+	CircularBuffer<custom_struct> buffermoveassigned{10};
+	buffermoveassigned = std::move(buffermoved);
+	buffermoveassigned.push_back(std::move(element));
+	return 0;
+}
+

samples/sample_custom_buffer.cpp

@@ -0,0 +1,58 @@
+#include "circular_buffer.h"
+#include <iostream>
+#include <string.h>
+
+int main(int argc, char *argv[])
+{   
+	//Initializing a buffer
+    CircularBuffer<int> int_buff{5};
+
+	//checking buffer empty function
+    std::cout<<"Calling buffer empty function "<<int_buff.empty()<<"\n";
+	
+	//Pushing data back into buffer
+	std::cout<<"Pushing back  data in bufffer \n";
+	int_buff.push_back(5);
+	int_buff.push_back(2);
+	int_buff.push_back(1250);
+	int_buff.push_back(500);
+	int_buff.push_back(235);
+
+	//Length of buffer
+	std::cout<<"Checking length of buffer "<<int_buff.size()<<"\n";
+	//Using Front Function, gives the first element
+	std::cout<<"Checking front function  "<<int_buff.front()<<"\n";
+	//Using Back Function, gives last element 
+	std::cout<<"Checking back function  "<<int_buff.back()<<"\n";
+	//Front and Back can be used for assignment
+	int_buff.front() = 100;
+	int_buff.back() = 10;
+
+	//Pop Function removes  element as per FIFO
+	std::cout<<"Checking pop_front function\n";
+	int_buff.pop_front();
+	std::cout<<"pop front executed new size: "<<int_buff.size()
+			 <<" new front:" <<int_buff.front()<<"\n";
+	
+	std::cout<<"Checking iterator function\n";
+	auto it = int_buff.begin();
+	
+	std::cout<<"Checking deference * operator "<<*it<<"\n";
+	std::cout<<"Checking deference ++ operator "<<*(++it)<<"\n";
+	std::cout<<"Checking deference -- operator "<<*(--it)<<"\n";
+
+	// Range based  for loop can be used like other STL containers
+	std::cout<<"Checking iterator for loop  \n";
+	for(const auto& it: int_buff)
+		std::cout<<"Checking range based for loop function  "<<it<<"\n";
+
+	// for loop with iterators can be used like other STL stile containers
+	std::cout<<"Checking for loop with iterator  \n";
+	for(auto it = int_buff.begin(); it != int_buff.end(); it++)
+		std::cout<<"Checking for loop function  "<<*it<<"\n";
+   
+	return 0;
+}
+
+
+

samples/sample_int_buffer.cpp

@@ -0,0 +1,81 @@
+#include "circular_buffer.h"
+#include <iostream>
+#include <string.h>
+#include "circular_buffer.h"
+#include <iostream>
+#include <string.h>
+#include <utility>
+
+
+int main(int argc, char *argv[])
+{   
+	   
+	CircularBuffer<std::string> string_buff{10};
+	//checking buffer empty function
+    std::cout<<"Calling buffer empty function "<<string_buff.empty()<<"\n";
+	
+	//Pushing data back into buffer
+	std::cout<<"Pushing back string data in bufffer \n";
+	for(int i = 0; i<10;i++){
+		string_buff.push_back(" sample string " + std::to_string(i));
+		std::cout<<"Pushing back string "<<i<<std::endl;
+	}
+	
+	//Length of buffer
+	std::cout<<"Checking length of buffer "<<string_buff.size()<<"\n";
+	//Using Front Function, gives the first element
+	std::cout<<"Checking front function  "<<string_buff.front()<<"\n";
+	//Using Back Function, gives last element 
+	std::cout<<"Checking back function  "<<string_buff.back()<<"\n";
+	//Front and Back can be used for assignment
+	string_buff.front() = "modified front string";
+	string_buff.back() = "modified back string";
+
+	//Pop Function removes  element as per FIFO
+	std::cout<<"Checking pop_front function\n";
+	string_buff.pop_front();
+	std::cout<<"pop front executed new size: "<<string_buff.size()
+			 <<" new front:" <<string_buff.front()<<"\n";
+	
+	std::cout<<"Checking iterator function\n";
+	auto it = string_buff.begin();
+	
+	std::cout<<"Checking deference * operator "<<*it<<"\n";
+	std::cout<<"Checking deference ++ operator "<<*(++it)<<"\n";
+	std::cout<<"Checking deference -- operator "<<*(--it)<<"\n";
+
+	// Range based  for loop can be used like other STL containers
+	std::cout<<"Checking iterator for loop  \n";
+	for(auto& it: string_buff)
+		std::cout<<"Checking range based for loop function  "<<it<<"\n";
+
+	// for loop with iterators can be used like other STL stile containers
+	std::cout<<"Checking for loop with iterator  \n";
+	for(auto it = string_buff.begin(); it != string_buff.end(); it++)
+		std::cout<<"Checking for loop function  "<<*it<<"\n";
+   
+	// push_back using move semantics
+	std::string string_to_move{"This string is moved"};
+	string_buff.push_back(std::move(string_to_move));
+	std::cout<<"string moved to buffer  new size: "<<string_buff.size()
+			 <<" new back:" <<string_buff.back()<<"\n";
+
+	//creating buffer from another buffer
+	CircularBuffer<std::string> string_buff_copy1{string_buff};
+	std::cout<<"Buffer Copy Created, copied buffer size "<<string_buff_copy1.size()<<"\n";
+
+	//copying buffer 
+	CircularBuffer<std::string> string_buff_copy2{10};
+	string_buff_copy2 = string_buff;
+	std::cout<<"Buffer Copy assigned , copied buffer size "<<string_buff_copy2.size()<<"\n";
+	
+	//move constructing
+	CircularBuffer<std::string> string_buff_move1{std::move(string_buff)};
+	std::cout<<"Buffer created with move constructor, moved buffer size "<<string_buff_move1.size()<<"\n";
+
+	//move assignment 
+	CircularBuffer<std::string> string_buff_move2{10};
+	string_buff_move2 = std::move(string_buff_move1);
+	std::cout<<"Buffer  moved with  assignment operator, moved buffer size "<<string_buff_move2.size()<<"\n";
+	
+}