/// <summary>
/// Interprets stored bytes as UTF8 bytes, returning the
/// resulting string
/// </summary>
public string Utf8ToString()
{
CharsRef @ref = new CharsRef(Length);
UnicodeUtil.UTF8toUTF16(Bytes, Offset, Length, @ref);
return(@ref.ToString());
}
public virtual void TestAppendChars()
{
char[] chars = new char[] { 'a', 'b', 'c', 'd' };
CharsRef c = new CharsRef(chars, 1, 3); // bcd
c.Append(new char[] { 'e' }, 0, 1);
Assert.AreEqual("bcde", c.ToString());
}
public virtual void TestCopyCharsRef()
{
char[] chars = new char[] { 'a', 'b', 'c', 'd' };
CharsRef c = new CharsRef(chars, 1, 3); // bcd
char[] otherchars = new char[] { 'b', 'c', 'd', 'e' };
c.CopyChars(new CharsRef(otherchars, 0, 4));
Assert.AreEqual("bcde", c.ToString());
}
public virtual void TestCopy()
{
int numIters = AtLeast(10);
for (int i = 0; i < numIters; i++)
{
CharsRef @ref = new CharsRef();
char[] charArray = TestUtil.RandomRealisticUnicodeString(Random, 1, 100).ToCharArray();
int offset = Random.Next(charArray.Length);
int length = charArray.Length - offset;
string str = new string(charArray, offset, length);
@ref.CopyChars(charArray, offset, length);
Assert.AreEqual(str, @ref.ToString());
}
}
public virtual void TestUTF8UTF16CharsRef()
{
int num = AtLeast(3989);
for (int i = 0; i < num; i++)
{
string unicode = TestUtil.RandomRealisticUnicodeString(Random);
BytesRef @ref = new BytesRef(unicode);
char[] arr = new char[1 + Random.Next(100)];
int offset = Random.Next(arr.Length);
int len = Random.Next(arr.Length - offset);
CharsRef cRef = new CharsRef(arr, offset, len);
UnicodeUtil.UTF8toUTF16(@ref, cRef);
Assert.AreEqual(cRef.ToString(), unicode);
}
}
public virtual void TestAppend()
{
CharsRef @ref = new CharsRef();
StringBuilder builder = new StringBuilder();
int numStrings = AtLeast(10);
for (int i = 0; i < numStrings; i++)
{
char[] charArray = TestUtil.RandomRealisticUnicodeString(Random, 1, 100).ToCharArray();
int offset = Random.Next(charArray.Length);
int length = charArray.Length - offset;
builder.Append(charArray, offset, length);
@ref.Append(charArray, offset, length);
}
Assert.AreEqual(builder.ToString(), @ref.ToString());
}