void writeString32TestHelper(char[] input, byte[] expect)
{
MemoryStream stream = new MemoryStream();
OpenWireBinaryWriter writer = new OpenWireBinaryWriter(stream);
String str = new String(input);
writer.WriteString32(str);
byte[] result = stream.GetBuffer();
Assert.AreEqual(result[0], 0x00);
Assert.AreEqual(result[1], 0x00);
Assert.AreEqual(result[2], 0x00);
Assert.AreEqual(result[3], expect.Length);
for (int i = 4; i < expect.Length; ++i)
{
Assert.AreEqual(result[i], expect[i - 4]);
}
}
public void testWriteString32()
{
// Test data with 1-byte UTF8 encoding.
{
char[] input = { '\u0000', '\u000B', '\u0048', '\u0065', '\u006C', '\u006C', '\u006F', '\u0020', '\u0057', '\u006F', '\u0072', '\u006C', '\u0064' };
byte[] expect = { 0xC0, 0x80, 0x0B, 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x57, 0x6F, 0x72, 0x6C, 0x64 };
writeString32TestHelper(input, expect);
}
// Test data with 2-byte UT8 encoding.
{
char[] input = { '\u0000', '\u00C2', '\u00A9', '\u00C3', '\u00A6' };
byte[] expect = { 0xC0, 0x80, 0xC3, 0x82, 0xC2, 0xA9, 0xC3, 0x83, 0xC2, 0xA6 };
writeString32TestHelper(input, expect);
}
// Test data with 1-byte and 2-byte encoding with embedded NULL's.
{
char[] input = { '\u0000', '\u0004', '\u00C2', '\u00A9', '\u00C3', '\u0000', '\u00A6' };
byte[] expect = { 0xC0, 0x80, 0x04, 0xC3, 0x82, 0xC2, 0xA9, 0xC3, 0x83, 0xC0, 0x80, 0xC2, 0xA6 };
writeString32TestHelper(input, expect);
}
// test that a null strings writes a -1
{
MemoryStream stream = new MemoryStream();
OpenWireBinaryWriter writer = new OpenWireBinaryWriter(stream);
writer.WriteString32(null);
stream.Seek(0, SeekOrigin.Begin);
OpenWireBinaryReader reader = new OpenWireBinaryReader(stream);
Assert.AreEqual(-1, reader.ReadInt32());
}
}