RosettaCodeData/Task/Test-a-function/Icon/test-a-function.icon

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procedure main()
s := "ablewasiereisawelba"
assert{"test1",palindrome(s)}
assertFailure{"test2",palindrome(s)}
s := "un"||s
assert{"test3",palindrome(s)}
assertFailure{"test4",palindrome(s)}
end
procedure palindrome(s)
return s == reverse(s)
end
procedure assert(A)
if not @A[2] then write(@A[1],": failed")
end
procedure assertFailure(A)
if @A[2] then write(@A[1],": failed")
end