/// <summary>Decompress the byte array previously returned by
/// compressString back into a String
/// </summary>
public static System.String DecompressString(byte[] value_Renamed)
{
UnicodeUtil.UTF16Result result = new UnicodeUtil.UTF16Result();
byte[] bytes = Decompress(value_Renamed);
UnicodeUtil.UTF8toUTF16(bytes, 0, bytes.Length, result);
return(new System.String(result.result, 0, result.length));
}
// Currently used only by assert statements
private bool InitUTF16Results()
{
utf16Result1 = new UnicodeUtil.UTF16Result();
utf16Result2 = new UnicodeUtil.UTF16Result();
return(true);
}
// currently used only by assert statements
private bool InitUTF16Results()
{
utf16Result1 = new UnicodeUtil.UTF16Result();
utf16Result2 = new UnicodeUtil.UTF16Result();
return true;
}
/// <summary>Decompress the byte array previously returned by
/// compressString back into a String
/// </summary>
public static System.String DecompressString(byte[] value_Renamed)
{
UnicodeUtil.UTF16Result result = new UnicodeUtil.UTF16Result();
byte[] bytes = Decompress(value_Renamed);
UnicodeUtil.UTF8toUTF16(bytes, 0, bytes.Length, result);
return new System.String(result.result, 0, result.length);
}
public virtual void TestIncrementalUnicodeStrings()
{
r = NewRandom();
char[] buffer = new char[20];
char[] expected = new char[20];
UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
UnicodeUtil.UTF16Result utf16a = new UnicodeUtil.UTF16Result();
bool hasIllegal = false;
byte[] last = new byte[60];
for (int iter = 0; iter < 100000; iter++)
{
int prefix;
if (iter == 0 || hasIllegal)
prefix = 0;
else
prefix = NextInt(20);
hasIllegal = FillUnicode(buffer, expected, prefix, 20 - prefix);
UnicodeUtil.UTF16toUTF8(buffer, 0, 20, utf8);
if (!hasIllegal)
{
byte[] b = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(new System.String(buffer, 0, 20));
Assert.AreEqual(b.Length, utf8.length);
for (int i = 0; i < b.Length; i++)
Assert.AreEqual(b[i], utf8.result[i]);
}
int bytePrefix = 20;
if (iter == 0 || hasIllegal)
bytePrefix = 0;
else
for (int i = 0; i < 20; i++)
if (last[i] != utf8.result[i])
{
bytePrefix = i;
break;
}
System.Array.Copy(utf8.result, 0, last, 0, utf8.length);
UnicodeUtil.UTF8toUTF16(utf8.result, bytePrefix, utf8.length - bytePrefix, utf16);
Assert.AreEqual(20, utf16.length);
for (int i = 0; i < 20; i++)
Assert.AreEqual(expected[i], utf16.result[i]);
UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16a);
Assert.AreEqual(20, utf16a.length);
for (int i = 0; i < 20; i++)
Assert.AreEqual(expected[i], utf16a.result[i]);
}
}
public virtual void TestRandomUnicodeStrings()
{
r = NewRandom();
char[] buffer = new char[20];
char[] expected = new char[20];
UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
for (int iter = 0; iter < 100000; iter++)
{
bool hasIllegal = FillUnicode(buffer, expected, 0, 20);
UnicodeUtil.UTF16toUTF8(buffer, 0, 20, utf8);
if (!hasIllegal)
{
byte[] b = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(new System.String(buffer, 0, 20));
Assert.AreEqual(b.Length, utf8.length);
for (int i = 0; i < b.Length; i++)
Assert.AreEqual(b[i], utf8.result[i]);
}
UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16);
Assert.AreEqual(utf16.length, 20);
for (int i = 0; i < 20; i++)
Assert.AreEqual(expected[i], utf16.result[i]);
}
}
public virtual void TestAllUnicodeChars()
{
UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
char[] chars = new char[2];
for (int ch = 0; ch < 0x0010FFFF; ch++)
{
if (ch == 0xd800)
// Skip invalid code points
ch = 0xe000;
int len = 0;
if (ch <= 0xffff)
{
chars[len++] = (char) ch;
}
else
{
chars[len++] = (char) (((ch - 0x0010000) >> 10) + UnicodeUtil.UNI_SUR_HIGH_START);
chars[len++] = (char) (((ch - 0x0010000) & 0x3FFL) + UnicodeUtil.UNI_SUR_LOW_START);
}
UnicodeUtil.UTF16toUTF8(chars, 0, len, utf8);
System.String s1 = new System.String(chars, 0, len);
System.String s2 = System.Text.Encoding.UTF8.GetString(utf8.result, 0, utf8.length);
Assert.AreEqual(s1, s2, "codepoint " + ch);
UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16);
Assert.AreEqual(s1, new String(utf16.result, 0, utf16.length), "codepoint " + ch);
byte[] b = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(s1);
Assert.AreEqual(utf8.length, b.Length);
for (int j = 0; j < utf8.length; j++)
Assert.AreEqual(utf8.result[j], b[j]);
}
}
