From 0ded0239ce4f8c678b64fdb0b5dbd67bc0849462 Mon Sep 17 00:00:00 2001 From: Musa Ahmed Date: Tue, 18 Oct 2022 17:48:41 -0700 Subject: rename --- .../CST116-Ch9-Debugging-Ahmed.cpp | 116 +++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 CST116-Ch9-Debugging-Ahmed/CST116-Ch9-Debugging-Ahmed.cpp (limited to 'CST116-Ch9-Debugging-Ahmed/CST116-Ch9-Debugging-Ahmed.cpp') diff --git a/CST116-Ch9-Debugging-Ahmed/CST116-Ch9-Debugging-Ahmed.cpp b/CST116-Ch9-Debugging-Ahmed/CST116-Ch9-Debugging-Ahmed.cpp new file mode 100644 index 0000000..4182b54 --- /dev/null +++ b/CST116-Ch9-Debugging-Ahmed/CST116-Ch9-Debugging-Ahmed.cpp @@ -0,0 +1,116 @@ +/******************************************************************** +* File: CST116-Ch9-Debugging.cpp +* +* General Instructions: Complete each step before proceeding to the +* next. +* +* Debugging Exercise 1 +* +* 1) Insert a breakpoint on the lines indicated in the code. +* 2) Run to Breakpoint 1. +* 3) Place a watch on age and days. +* 4) Add another watch using &age for the name. This will display +* the address of age. +* 5) Write down the address of age. +* 6) Step Into the code for the function GetAge. +* 7) The execution continues to the function header for GetAge. +* 8) Step into one more time. +* 9) Why did the address of age and value change? +* The address changed becasue we re-instantiated the variable age in the function, +* but we didn't specify a number for it so it's just filled wiht garbage +* 10) Step over the cout and cin statements. +* 11) Verify the value entered is stored properly in age. +* 12) Step into until the flow returns to main. +* 13) Step over one more time. +* 14) Why didn't the value entered get transferred back to main? +* This is because we are setting the age back to zero at the start of the main function, +* thus it is resetting the age every time. +* 15) Stop debugging and fix the error. +* 16) Run to Breakpoint 1. +* 17) Step over the function call to GetAge. +* 18) Verify that the value entered was returned and stored +* correctly from GetAge. +* 19) Stop debugging. +* +* Debugging Exercise 2 +* +* 1) Run to Breakpoint 1. +* 2) Step over the call to GetAge. +* 3) Step into CalcDays. +* 4) Step into one more time so that the current line is the +* calculation. +* 5) Why is age greyed out in your watch window? +* 6) Stop debugging. +* +* Debugging Exercise 3 +* +* 1) Run to Breakpoint 2. +* 2) When asked, enter the value of 20 for your age. +* 3) Verify that the variable age is 20 and the variable days +* is 7300. +* 4) Step into the PrintResults function. +* 5) Age is 7300? Not even Ralph is that old. +* 6) Why did the values for both variables change? +* 7) Stop debugging and fix the error. +* +* Debugging Exercise 4 +* +* 1) Run to Breakpoint 2. +* 2) Display your Call Stack window. +* 3) View the contents of the window and notice that the top +* function on the stack is main. +* 4) Step into the PrintResults function. +* 5) Notice that the call stack now shows PrintResults on top of +* the stack. +********************************************************************/ +#include +using std::cout; +using std::cin; +using std::endl; + +int age = 0; + +const int DAYS_PER_YEAR = 365; + +int GetAge(); +int CalcDays(int age); +void PrintResults(int age, int days); + +int main() +{ + + int days = 0; + + // Breakpoint 1 + // Put breakpoint on the following line + GetAge(); + days = CalcDays(age); + + // Breakpoint 2 + // Put breakpoint on the following line + PrintResults(age, days); + + return 0; +} +int GetAge() +{ + + + cout << "Please enter your age: "; + cin >> age; + + return age; +} +int CalcDays(int years) +{ + int days; + + days = years * DAYS_PER_YEAR; + + return days; +} +void PrintResults(int days, int age) +{ + cout << age << "! Boy are you old!\n"; + cout << "Did you know that you are at least " << days << " days old?\n\n"; +} -- cgit v1.2.3