public void TestSlice()
{
Assert.AreEqual(null, StandardFilters.Slice(null, 1));
Assert.AreEqual(null, StandardFilters.Slice("", 10));
Assert.AreEqual("abc", StandardFilters.Slice("abcdefg", 0, 3));
Assert.AreEqual("bcd", StandardFilters.Slice("abcdefg", 1, 3));
Assert.AreEqual("efg", StandardFilters.Slice("abcdefg", -3, 3));
Assert.AreEqual("efg", StandardFilters.Slice("abcdefg", -3, 30));
Assert.AreEqual("efg", StandardFilters.Slice("abcdefg", 4, 30));
Assert.AreEqual("a", StandardFilters.Slice("abc", -4, 2));
Assert.AreEqual("", StandardFilters.Slice("abcdefg", -10, 1));
}
