/// <exception cref="System.Exception"/>
public virtual void TestValidate()
{
Org.Apache.Hadoop.IO.Text text = new Org.Apache.Hadoop.IO.Text("abcd\u20acbdcd\u20ac"
);
byte[] utf8 = text.GetBytes();
int length = text.GetLength();
Org.Apache.Hadoop.IO.Text.ValidateUTF8(utf8, 0, length);
}
/// <exception cref="CharacterCodingException"/>
public virtual void TestTextText()
{
Org.Apache.Hadoop.IO.Text a = new Org.Apache.Hadoop.IO.Text("abc");
Org.Apache.Hadoop.IO.Text b = new Org.Apache.Hadoop.IO.Text("a");
b.Set(a);
Assert.Equal("abc", b.ToString());
a.Append(Runtime.GetBytesForString("xdefgxxx"), 1, 4);
Assert.Equal("modified aliased string", "abc", b.ToString());
Assert.Equal("appended string incorrectly", "abcdefg", a.ToString
());
// add an extra byte so that capacity = 14 and length = 8
a.Append(new byte[] { (byte)('d') }, 0, 1);
Assert.Equal(14, a.GetBytes().Length);
Assert.Equal(8, a.CopyBytes().Length);
}
/// <exception cref="System.Exception"/>
public virtual void TestClear()
{
// Test lengths on an empty text object
Org.Apache.Hadoop.IO.Text text = new Org.Apache.Hadoop.IO.Text();
Assert.Equal("Actual string on an empty text object must be an empty string"
, string.Empty, text.ToString());
Assert.Equal("Underlying byte array length must be zero", 0, text
.GetBytes().Length);
Assert.Equal("String's length must be zero", 0, text.GetLength
());
// Test if clear works as intended
text = new Org.Apache.Hadoop.IO.Text("abcd\u20acbdcd\u20ac");
int len = text.GetLength();
text.Clear();
Assert.Equal("String must be empty after clear()", string.Empty
, text.ToString());
Assert.True("Length of the byte array must not decrease after clear()"
, text.GetBytes().Length >= len);
Assert.Equal("Length of the string must be reset to 0 after clear()"
, 0, text.GetLength());
}