var assert = require('nodeunit').assert; var testCase = require('nodeunit').testCase; assert.isVowel = function(letter, message) { var vowels = [ 'a', 'e', 'i', 'o', 'u' ]; if (vowels.indexOf(letter) == -1) { assert.fail(letter, vowels.toString(), message, 'is not in'); } }; exports["Vowel"] = testCase({ "e should be a vowel": function(test) { test.isVowel("e", 'It should be a vowel.'); test.done(); } });
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