public void EncodeHex() { StringOperators.EncodeHex(null).Should().BeNull(); StringOperators.EncodeHex("").Should().Be(""); StringOperators.EncodeHex("Ewout").Should().Be("45776f7574"); StringOperators.EncodeHex("编码方式").Should().Be("e7bc96e7a081e696b9e5bc8f"); StringOperators.FpEncode("Ewout", "hex").Should().Be("45776f7574"); }