Make the flie mystring.h$,$ mystring.cpp and the main.cpp$.$ This is the client program : $/**$ These functions are designed to help you test your MyString objects, $*$ as well as show the client usage of the class. $**$ The BasicTest function builds an array of strings using various $*$ constructor options and prints them out. It also uses the String $*$ stream operations to read some strings from a data file. $**$ The RelationTest function checks out the basic relational operations etc$)$ on Strings and char $*$s$.***$ The CopyTest tries out the copy constructor and assignment operators $*$ to make sure they do a true deep copy. $**$ Although not exhaustive, these tests will help you to exercise the basic $*$ functionality of the class and show you how a client might use it$.**$ While you are developing your MyString class, you might find it $*$ easier to comment out functions you are ready for, so that you don't $*$ get lots of compile$/$link complaints. $*/$ #include "mystring.h$"$ #include $//$ for toupper$()$ #include #include using namespace std; using namespace cs$\_$mystring; void BasicTest$()$; void RelationTest$()$; void CopyTest$()$; MyString AppendTest$($const MyString& ref, MyString val$)$; string boolString$($bool convertMe$)$; int main$()\{$ BasicTest$()$; RelationTest$()$; CopyTest$()$; $\}$ void BasicTest$()\{$ MyString s; cout Testing basic String creation & printing" $$ endl; const MyString strs$[]=\{$ MyString$("$Wow$"),$ MyString$("$C$++$ is neat!"$),$ MyString$(""),$ MyString$("$a$-$z$")\}$; for $($int i $=0$; i $<mtext></mtext><mn>4</mn>$; i$++)\{$ cout $$ "string $["$ i strs$[$i$]$ endl; $\}$ cout $$ endl Testing access to characters $($using const$)"$ endl; const MyString s$1("$abcdefghijklmnopqsrtuvwxyz$")$; cout $$ "Whole string is $"$ s$1$ endl; cout $$ "now char by char: $"$; for $($int i $=0$; i $$ s$1.$length$()$; i$++)\{$ cout $$ s$1[$i$]$; $\}$ cout $$ endl Testing access to characters $($using non$-$const$)"$ endl; MyString s$2("$abcdefghijklmnopqsrtuvwxyz$")$; cout $$ "Start with $"$ s$2$; for $($int i $=0$; i $$ s$2.$length$()$; i$++)\{$ s$2[$i$]=$ toupper$($s$2[$i$])$; $\}$ cout and convert to $"$ s$2$ endl; string boolString$($bool convertMe$)\{$ if $($convertMe$)\{$ return "true"; $\}$ else $\{$ return "false"; $\}\}$ void RelationTest$()\{$ cout

$-----$ Testing relational operators between MyStrings

$"$; const MyString strs$[]=\{$ MyString$("$app$"),$ MyString$("$apple$"),$ MyString$(""),$ MyString$("$Banana$"),$ MyString$("$Banana$")\}$; for $($int i $=0$; i $<mtext></mtext><mn>4</mn>$; i$++)\{$ cout $$ "Comparing $"$ strs$[$i to $"$ strs$[$i $+1]$ endl; cout Is left $$ right? $"$ boolString$($strs$[$i$]$ strs$[$i $+1])$ endl; cout Is left right? $"$ boolString$($strs$[$i strs$[$i $+1])$ endl; cout Is left $>$ right? $"$ boolString$($strs$[$i$]>$ strs$[$i $+1])$ endl; cout Is left $>=$ right? $"$ boolString$($strs$[$i$]>=$ strs$[$i $+1])$ endl; cout Does left $==$ right? $"$ boolString$($strs$[$i$]==$ strs$[$i $+1])$ endl; cout Does left $!=$ right $?"$ boolString$($strs$[$i$]!=$ strs$[$i $+1])$ endl; $\}$ cout

$-----$ Testing relations between MyStrings and char $*$

$"$; MyString s$("$he$")$; const char$*$ t $=$ "hello"; cout $$ "Comparing $"$ s to $"$ t $$ endl; cout Is left $$ right? $"$ boolString$($s $$ t$)$ endl; cout Is left right? $"$ boolString$($s t$)$ endl; cout Is left $>$ right? $"$ boolString$($s $>$ t$)$ endl; cout Is left $>=$ right? $"$ boolString$($s $>=$ t$)$ endl; cout Does left $==$ right? $"$ boolString$($s $==$ t$)$ endl; cout Does left $!=$ right $?"$ boolString$($s $!=$ t$)$ endl; MyString u$("$wackity$")$; const char$*$ v $=$ "why"; cout $$ "Comparing $"$ v to $"$ u $$ endl; cout Is left $$ right? $"$ boolString$($v $$ u$)$ endl; cout Is left right? $"$ boolString$($v u$)$ endl; cout Is left $>$ right? $"$ boolString$($v $>$ u$)$ endl; cout Is left $>=$ right? $"$ boolString$($v $>=$ u$)$ endl; cout Does left $==$ right? $"$ boolString$($v $==$ u$)$ endl; cout Does left $!=$ right $?"$ boolString$($v $!=$ u$)$ endl; $\}$ MyString AppendTest$($const MyString& ref, MyString val$)\{$ val$[0]=\text{'}$B$\text{'}$; return val; $\}$ void CopyTest$()\{$ cout

$-----$ Testing copy constructor and operator$=$ on MyStrings

$"$; MyString orig$("$cake$")$; MyString copy$($orig$)$; $//$ invoke copy constructor copy$[0]=\text{'}$f$\text{'}$; $//$ change first letter of the $*$copy$*$ cout $$ "original is $"$ orig copy is $"$ copy $$ endl; MyString copy$2$; $//$ makes an empty string copy$2=$ orig; $//$ invoke operator$=$ copy$2=$ orig; $//$ invoke operator$=$ copy$2[0]=\text{'}$f$\text{'}$; $//$ change first letter of the $*$copy$*$ cout $$ "original is $"$ orig copy is $"$ copy$2$ endl; copy$2=$ "Copy Cat"; copy$2=$ copy$2$; $//$ copy onto self and see what happens cout $$ "after self assignment, copy is $"$ copy$2$ endl; cout $$ "Testing pass & return MyStrings by value and ref" $$ endl; MyString val $=$ "winky"; MyString sum $=$ AppendTest$("$Boo$",$ val$)$; cout $$ "after calling Append, sum is $"$ sum $$ endl; cout $$ "val is $"$ val $$ endl; val $=$ sum; cout $$ "after assing, val is $"$ val $$ endl;$\}$