Assertion Failing, even if the output value (or string, in this case) and the assertion is exactly same

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Shubham Shubham
Shubham Shubham 2023-8-18
评论： Shubham Shubham 2023-8-18
Hello Community,
The execution of my code, is showing "Error using assert, Assertion failed". Even though the output value and the compared value are exactly the same.
This is what i am trying to display:
res = sprintf("%s won by %g runs",a(1),(c_1-d_1))
and %s and % g are giving me the same values i.e. India and 31 in this case.
this is the assertion command:
assert( isequal(res,"India won by 31 runs") )
  2 个评论
Dyuman Joshi
Dyuman Joshi 2023-8-18
Ran in:
I believe you are trying to solve Cody Problem #56538. The assertion seems to be working here.
res = sprintf("%s won by %g runs","India",250+307-235-291)
res = "India won by 31 runs"
assert( isequal(res,"India won by 31 runs") )
Can you attach your code? or a sample of it? So I can reproduce the error and see what's wrong.
Shubham Shubham
Shubham Shubham 2023-8-18
Yes it is infact the Cody Problem #56538.
function res = reportresult(s1,s2)
pat = digitsPattern;
a = split(s1,pat);
b = split(s2,pat);
c = double(extract(s1,pat))
d = double(extract(s2,pat))
wickets_1 = extractAfter(s1,'/');
wickets_1 = double(extract(wickets_1,pat));
wickets_2 = extractBetween(s2,'/','d');
c_1 = sum(c) - sum(double(wickets_1));
d_1 = sum(d)-sum(double(wickets_2));
if c_1 > d_1
res = sprintf("%s won by %g runs",a(1),c_1-d_1)
end
I have tailored this code just for the case below:
s1 = "India 250 & 307";
s2 = "Australia 235 & 291"
res = reportresult(s1,s2);
assert(isequal(res,"India won by 31 runs"))

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采纳的回答

Dyuman Joshi
Dyuman Joshi 2023-8-18
Ran in:
The problem is there is an extra space after India, thus the strings are not equal and the assertion fails -
s1 = "India 250 & 307";
s2 = "Australia 235 & 291";
pat = digitsPattern;
%Extra space
a = split(s1,pat)
a = 3×1 string array
"India " " & " ""
b = split(s2,pat);
c = double(extract(s1,pat));
d = double(extract(s2,pat));
wickets_1 = extractAfter(s1,'/');
wickets_1 = double(extract(wickets_1,pat));
wickets_2 = extractBetween(s2,'/','d');
c_1 = sum(c) - sum(double(wickets_1));
d_1 = sum(d)-sum(double(wickets_2));
%Extra space
if c_1 > d_1
res = sprintf("%s won by %g runs",a(1),c_1-d_1)
end
res = "India won by 31 runs"
You can use deblank to remove trailling whitespace characters from the string -
a = deblank(a)
a = 3×1 string array
"India" " &" ""
if c_1 > d_1
res = sprintf("%s won by %g runs",a(1),c_1-d_1)
end
res = "India won by 31 runs"

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