public void Mask()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.Equal(string.Empty, (null as string).Mask());
Assert.Equal("++++++ +++ `~!#$%^\t\r\n", TEST_STRING.Mask('+'));
}
public void ToBase64()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.Equal(TEST_STRING, TEST_STRING.ToBase64(Encoding.ASCII).FromBase64(Encoding.ASCII));
Assert.Equal(TEST_STRING, TEST_STRING.ToBase64(Encoding.ASCII).FromBase64(Encoding.UTF8));
}
public void Is()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.True(TEST_STRING.Is("AABBCC 123 `~!#$%^\t\r\n"));
Assert.False(TEST_STRING.Is("AABBCC 123 `~!#$%^\t\r\n", StringComparison.Ordinal));
}
public void TrimStart()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.Equal(" `~!#$%^\t\r\n", TEST_STRING.TrimStart("aabbcc 123"));
Assert.NotEqual(" `~!#$%^\t\r\n", TEST_STRING.TrimStart("aabbcc 123", StringComparison.Ordinal));
Assert.Equal(TEST_STRING, TEST_STRING.TrimStart("******"));
}
public void TrimEnd()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.Equal("AaB", TEST_STRING.TrimEnd("BCC 123 `~!#$%^\t\r\n"));
Assert.NotEqual("AaB", TEST_STRING.TrimEnd("BCC 123 `~!#$%^\t\r\n", StringComparison.Ordinal));
Assert.Equal(TEST_STRING, TEST_STRING.TrimEnd("******"));
}
public void IndexOfByNumber_Test()
{
const char DL = '_';
const string TEST_STRING = "ABC_DEF_ZXDF_123_456";
Debug.WriteLine(TEST_STRING.IndexOfByNumber(DL, 3));
Assert.AreEqual(12, TEST_STRING.IndexOfByNumber(DL, 3));
}
public void IsBlank()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.True(string.Empty.IsBlank());
Assert.True(" \t \r \n ".IsBlank());
Assert.True((null as string).IsBlank());
Assert.False(TEST_STRING.IsBlank());
}
public void String_Split_with_no_args_should_split_on_white_space()
{
const string TEST_STRING = "first second\tthird\nfourth \n\t\ffifth";
var s1 = TEST_STRING.Split();
Assert.AreEqual(8, s1.Length);
var s2 = TEST_STRING.Split(new char[0], StringSplitOptions.RemoveEmptyEntries);
Assert.AreEqual(5, s2.Length);
}
public void ToText()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.Equal(TEST_STRING, TEST_STRING.ToBytes(Encoding.UTF8).ToText(Encoding.UTF8));
Assert.Equal("BbCc 1", TEST_STRING.ToBytes(Encoding.UTF8).ToText(Encoding.UTF8, 2, 6));
Assert.Equal(TEST_STRING, ((ReadOnlySpan <byte>)TEST_STRING.ToBytes(Encoding.UTF8).AsSpan()).ToText(Encoding.UTF8));
}
public void Left()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.Equal("AaBbCc 1", TEST_STRING.Left(8));
Assert.Equal(string.Empty, TEST_STRING.Left(0));
Assert.True(TEST_STRING.Left('A'));
Assert.False(TEST_STRING.Left('a'));
Assert.True(TEST_STRING.Left("AABBCC 123"));
Assert.False(TEST_STRING.Left("AABBCC 123", StringComparison.Ordinal));
}
public void MaskHide()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.Equal("--Bb-- 123 `~!#$%^\t\r\n", TEST_STRING.MaskHide('-', StringComparison.OrdinalIgnoreCase, "A", "C", "\t\r\n"));
}
public void MaskShow()
{
const string TEST_STRING = "AaBbCc 123 `~!#$%^\t\r\n";
Assert.Equal("ooBboo 123 `~!#$%^\t\r\n", TEST_STRING.MaskShow('o', StringComparison.Ordinal, "Bb", " ", "123", "`~!#$%^"));
}
