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COS1512 Assignment 1 2024 memo
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COS Assignment 1 memo NOTE: Questions maybe different Question 1 The assert statement 1. tests conditions or assumptions that should not occur in a program to prevent runtime errors 2. will display an error message when the condition in the statement is not true and abort the prog...

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  • April 19, 2024
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  • 2023/2024
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COS1512 2024 Assignment 1 memo

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NOTE: Questions maybe different

Question 1 The assert statement
1. tests conditions or assumptions that should not occur in a program to prevent runtime errors
2. will display an error message when the condition in the statement is not true and abort the
program.
3. All of the other options are valid.
4. can be turned on and off in a program


Question 2 Base your answer to this question on the highlighted
directives at the beginning of the program.
The program below will abort and display that the assertion has failed
#define NDEBUG
#include <cassert >

int main()
{
int x = 7;
/* Some big code in between and let's say x
is accidentally changed to 9 */
x = 9;
// Programmer assumes x to be 7 in rest of the code
assert(x==7);
/* Rest of the code */
return 0;
}

1. True
2. False

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