private void TestPrefixExistence(IPrefixMatcher sut, IList <string> testData)
{
for (int i = 0; i < testData.Count; i++)
{
sut.HasPrefix(testData[i]);
}
}
private void AssertHaveProvidedWords(IPrefixMatcher tester, IEnumerable <string> words)
{
var orderedWords = words.OrderBy(x => x).ToArray();
var testerWords = tester.GetWordsByPrefix("").OrderBy(x => x).ToArray();
try
{
Assert.Equal(orderedWords, testerWords);
}
catch (EqualException)
{
var onlyInTester = string.Join(", ", testerWords.Except(orderedWords));
var onlyInExpected = string.Join(", ", orderedWords.Except(testerWords));
var duplicates = string.Join(", ", testerWords.GroupBy(x => x).Select(x => new { count = x.Count(), word = x.Key }).Where(x => x.count > 1));
Assert.True(false, $"Collections differ:\nOnly in tester: {onlyInTester}\nOnly in expected: {onlyInExpected}\nDuplicates: {duplicates}");
}
foreach (var word in orderedWords)
{
Assert.True(tester.HasPrefix(word), $"Prefix: {word} should exist in Dawg, but its not");
Assert.True(tester.HasWord(word), $"Word: {word} should exist in Dawg, but its not");
}
}