void writeString16TestHelper(char[] input, byte[] expect) { MemoryStream stream = new MemoryStream(); OpenWireBinaryWriter writer = new OpenWireBinaryWriter(stream); String str = new String(input); writer.WriteString16(str); byte[] result = stream.GetBuffer(); Assert.AreEqual(result[0], 0x00); Assert.AreEqual(result[1], expect.Length); for (int i = 4; i < expect.Length; ++i) { Assert.AreEqual(result[i], expect[i - 2]); } }
public void testWriteString16() { // 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 }; writeString16TestHelper(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 }; writeString16TestHelper(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 }; writeString16TestHelper(input, expect); } // test that a null string writes no output. { MemoryStream stream = new MemoryStream(); OpenWireBinaryWriter writer = new OpenWireBinaryWriter(stream); writer.WriteString16(null); Assert.AreEqual(0, stream.Length); } // test that a null string writes no output. { MemoryStream stream = new MemoryStream(); OpenWireBinaryWriter writer = new OpenWireBinaryWriter(stream); writer.WriteString16(""); stream.Seek(0, SeekOrigin.Begin); OpenWireBinaryReader reader = new OpenWireBinaryReader(stream); Assert.AreEqual(0, reader.ReadInt16()); } // String of length 65536 of Null Characters. { MemoryStream stream = new MemoryStream(); OpenWireBinaryWriter writer = new OpenWireBinaryWriter(stream); String testStr = new String('a', 65536); try{ writer.Write(testStr); Assert.Fail("Should throw an Exception"); } catch (Exception) { } } // String of length 65535 of non Null Characters since Null encodes as UTF-8. { MemoryStream stream = new MemoryStream(); OpenWireBinaryWriter writer = new OpenWireBinaryWriter(stream); String testStr = new String('a', 65535); try{ writer.Write(testStr); } catch (Exception) { Assert.Fail("Should not throw an Exception"); } } // Set one of the 65535 bytes to a value that will result in a 2 byte UTF8 encoded sequence. // This will cause the string of length 65535 to have a utf length of 65536. { MemoryStream stream = new MemoryStream(); OpenWireBinaryWriter writer = new OpenWireBinaryWriter(stream); String testStr = new String('a', 65535); char[] array = testStr.ToCharArray(); array[0] = '\u0000'; testStr = new String(array); try{ writer.Write(testStr); Assert.Fail("Should throw an Exception"); } catch (Exception) { } } }