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will be fail in bab == aba
void Main()
{
Func<string, string, bool> anagram = (first, second) =>
{
if (first == null || second == null) return false;
if (first.Length != second.Length) return false;
return first.OrderBy(x => x).All(x => second.Contains(x));
};
var sw = Stopwatch.StartNew();
foreach (var item in Enumerable.Range(0, 100000))
{
anagram(" ", " ");
anagram("1", "1");
anagram("eros", "rose");
anagram("eros", "lose");
anagram("", "rose");
anagram("eros", "rosesssss");
anagram("bab", "aba");
anagram(" ", " ");
anagram(null, null);
anagram(null, "");
anagram("hoge", null);
anagram("1", "2");
}
sw.Stop();
$"{sw.Elapsed.TotalMilliseconds}ms".Dump("Sequence");
"".Dump("Sort");
Debug.Assert(anagram("", "").Dump());
Debug.Assert(anagram(" ", " ").Dump());
Debug.Assert(anagram("1", "1").Dump());
Debug.Assert(anagram("eros", "rose").Dump());
Debug.Assert(anagram("eros", "lose").Dump() == false);
Debug.Assert(anagram("", "rose").Dump() == false);
Debug.Assert(anagram("eros", "rosesssss").Dump() == false);
Debug.Assert(anagram("bab", "aba").Dump() == false);
Debug.Assert(anagram(" ", " ").Dump() == false);
Debug.Assert(anagram(null, null).Dump() == false);
Debug.Assert(anagram(null, "").Dump() == false);
Debug.Assert(anagram("hoge", null).Dump() == false);
Debug.Assert(anagram("1", "2").Dump() == false);
}
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guitarrapc commented Oct 3, 2016

image

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