Test a function: Difference between revisions

=={{header|Brat}}==

<lang brat>include :assert

palindrome? = { str |

str = str.downcase.sub /\s+/ ""

str == str.reverse

}

setup name: "palindrome test" {

test "is a palindrome" {

assert { palindrome? "abba" }

}

test "is not a palindrome" {

assert_false { palindrome? "abb" }

}

test "is not a string" {

assert_fail { palindrome? 1001 }

}

test "this test fails" {

assert { palindrome? "blah blah" }

}

}</lang>

Output:

<pre>Loading tests...

Running palindrome test...

(4/4) this test fails

Test failure(s):

1. 'this test fails': assert failed

4 tests, 4 assertions, 1 failures.</pre>