Hi, Guys, I met a interview questions today, the question is to test this bool function bool match (string s, string p); string p is a pattern string, that means include character such as '?' or '*' e.g. if s = 'panic' and p='pani?', it will return true, if s ='panic' and p ='p*', it will return true, if s = 'panic' and p= '??' it will return false.
I don't know how to write down test cases and how to classify the test cases such as valid or invalid, boundary test , could anyone help me out?
I cudnt understand your question, but still i wud suggest is you should write test case having string- s as the super set of p-pattern. means p must have each char assigend to s.
can u pl. test , what kind of testing it is....white/black. so that we can find a solution to it.
Hi, these are the following test cases which you can write for the asked function.. Let me tell
you first what I understood from the question because according to that I have written the cases. According to what I
saw, string s and string p are compared and resulted true only if both characters match. (even one character from s can match p). The "?" and "*" is just like replacement for any one character. s=panic , p = pani? ------ Valid s=panic , p = pani* ------ Valid s=panic , p = p? ------ Valid s=panic , p = p* ------ Valid s=panic , p = p*nic ------ Valid s=panic , p = p*ni? ------ InValid s=panic , p = ?pnic ------ InValid s=panic , p = ?? ------ InValid s=panic , p = *? ------ InValid s=panic , p = ** ------ InValid s=panic , p = pan?? ------ InValid These are few test cases which
I think can be written.. Correct me if am wrong..
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DECODE is used to decode a CHAR or VARCHAR2 or NUMBER into any of several different character strings or numbers based on value. That is DECODE does a value-by-value substitution. For every value that is given in the DECODE function it makes an if then check and matches the value. The general format
What is the return value from printf() function?
printf function always returns the number of characters printed. Let us understand this with an example:
main()
{
int a=10;
printf("%d",printf("%d %d %d", a,a,a));
}
In this above program the inner printf i
The declaration of main can be done as
int main()
One more declaration that can be taken by main is command line arguments form
int main(int argc, char *argv[])
or this can also be written as
int main(argc, argv)
int argc;
char *argv[];
NOTE: It is not possible for one to declare the main
Whenever we have more than one function which is called for a finite number of times then such a function gets evaluated from inside out.
Let us understand this concept with an example.
For instance consider a function sample called within it 4 times as given in program below:
main()
{
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When a variable is not initialized in main function it contains garbage value. This can be well seen from the example below
main()
{
int x;
printf(“%d”,x);
z= sample()
}
sample()
{
printf(“Testing program”);
}
Output is
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main()
{
int x,y,z;
z=sample(x,y);
printf(“%d”,z);
}
sample(x1,y1)
int x1,y1;
{
int z1;
z1= x1 - y1;
return(z1);
}
Here what happens is the values x, y gets passed to x1,y1
