Add test to reproduce bug.

Signed-off-by: Bradley Grainger <[email protected]>

Author: bgrainger

tests/IntegrationTests/DataTypes.cs

@@ -329,6 +329,8 @@ public void QueryDecimal(string column, object[] expected)
 	[InlineData("latin1", new[] { null, "", "ASCII", "Lãtïñ", c_251ByteString })]
 	[InlineData("latin1bin", new[] { null, "", "ASCII", "Lãtïñ", c_251ByteString })]
 	[InlineData("cp1251", new[] { null, "", "ASCII", "АБВГабвг", c_251ByteString })]
+	[InlineData("nonguid_utf8", new[] { null, "", "ASCII", "Ũńıċōđĕ", "This string has 36 characters in it." })]
+	[InlineData("nonguid_latin1", new[] { null, "", "ASCII", "Lãtïñ", "This string has 36 characters in it." })]
 	public void QueryString(string column, string[] expected)
 	{
 		DoQuery("strings", column, "VARCHAR", expected, reader => reader.GetString(0));
@@ -1328,6 +1330,8 @@ public void GetSchemaTableAfterNextResult()
 	[InlineData("cp1251", "datatypes_strings", MySqlDbType.VarChar, "VARCHAR", 300, typeof(string), "N", -1, 0)]
 	[InlineData("guid", "datatypes_strings", MySqlDbType.Guid, "CHAR(36)", 36, typeof(Guid), "N", -1, 0)]
 	[InlineData("guidbin", "datatypes_strings", MySqlDbType.Guid, "CHAR(36)", 36, typeof(Guid), "N", -1, 0)]
+	[InlineData("nonguid_utf8", "datatypes_strings", MySqlDbType.VarChar, "VARCHAR", 36, typeof(string), "N", -1, 0)]
+	[InlineData("nonguid_latin1", "datatypes_strings", MySqlDbType.VarChar, "VARCHAR", 36, typeof(string), "N", -1, 0)]
 	[InlineData("Date", "datatypes_times", MySqlDbType.Date, "DATE", 10, typeof(DateTime), "N", -1, 0)]
 	[InlineData("DateTime", "datatypes_times", MySqlDbType.DateTime, "DATETIME", 26, typeof(DateTime), "N", -1, 6)]
 	[InlineData("Timestamp", "datatypes_times", MySqlDbType.Timestamp, "TIMESTAMP", 26, typeof(DateTime), "N", -1, 6)]
@@ -1420,6 +1424,8 @@ public void GetColumnSchema(string column, string table, MySqlDbType mySqlDbType
 	[InlineData("BigDecimal", "datatypes_reals", MySqlDbType.NewDecimal, "DECIMAL(50,30)", typeof(decimal), 3, null)]
 	[InlineData("utf8", "datatypes_strings", MySqlDbType.VarChar, "VARCHAR(300)", typeof(string), 3, "ASCII")]
 	[InlineData("latin1", "datatypes_strings", MySqlDbType.VarChar, "VARCHAR(300)", typeof(string), 3, "ASCII")]
+	[InlineData("nonguid_utf8", "datatypes_strings", MySqlDbType.VarChar, "VARCHAR(36)", typeof(string), 3, "ASCII")]
+	[InlineData("nonguid_latin1", "datatypes_strings", MySqlDbType.VarChar, "VARCHAR(36)", typeof(string), 3, "ASCII")]
 	[InlineData("Date", "datatypes_times", MySqlDbType.Date, "DATE", typeof(DateTime), 2, null)]
 	[InlineData("DateTime", "datatypes_times", MySqlDbType.DateTime, "DATETIME", typeof(DateTime), 2, null)]
 	[InlineData("Timestamp", "datatypes_times", MySqlDbType.Timestamp, "TIMESTAMP", typeof(DateTime), 2, null)]

tests/IntegrationTests/DataTypesFixture.cs

@@ -121,21 +121,23 @@ latin1 varchar(300) character set 'latin1' null,
   latin1bin varchar(300) character set latin1 collate latin1_bin null,
   cp1251 varchar(300) character set 'cp1251' null,
   guid char(36) null,
-  guidbin char(36) binary null
+  guidbin char(36) binary null,
+  nonguid_utf8 varchar(36) character set 'utf8mb4' null,
+  nonguid_latin1 varchar(36) character set 'latin1' null
 );
 
-insert into datatypes_strings(utf8, utf8bin, latin1, latin1bin, cp1251, guid, guidbin)
+insert into datatypes_strings(utf8, utf8bin, latin1, latin1bin, cp1251, guid, guidbin, nonguid_utf8, nonguid_latin1)
 values
-  (null, null, null, null, null, null, null),
-  ('', '', '', '', '', '00000000-0000-0000-0000-000000000000', '00000000-0000-0000-0000-000000000000'),
-  ('ASCII', 'ASCII', 'ASCII', 'ASCII', 'ASCII', '00000000-0000-0000-c000-000000000046', '00000000-0000-0000-c000-000000000046'),
-  ('Ũńıċōđĕ', 'Ũńıċōđĕ', 'Lãtïñ', 'Lãtïñ', 'АБВГабвг', 'fd24a0e8-c3f2-4821-a456-35da2dc4bb8f', 'fd24a0e8-c3f2-4821-a456-35da2dc4bb8f'),
+  (null, null, null, null, null, null, null, null, null),
+  ('', '', '', '', '', '00000000-0000-0000-0000-000000000000', '00000000-0000-0000-0000-000000000000', '', ''),
+  ('ASCII', 'ASCII', 'ASCII', 'ASCII', 'ASCII', '00000000-0000-0000-c000-000000000046', '00000000-0000-0000-c000-000000000046', 'ASCII', 'ASCII'),
+  ('Ũńıċōđĕ', 'Ũńıċōđĕ', 'Lãtïñ', 'Lãtïñ', 'АБВГабвг', 'fd24a0e8-c3f2-4821-a456-35da2dc4bb8f', 'fd24a0e8-c3f2-4821-a456-35da2dc4bb8f', 'Ũńıċōđĕ', 'Lãtïñ'),
   ('This string has exactly 251 characters in it. The encoded length is stored as 0xFC 0xFB 0x00. 0xFB (i.e., 251) is the sentinel byte indicating ""this field is null"". Incorrectly interpreting the (decoded) length as the sentinel byte would corrupt data.',
    'This string has exactly 251 characters in it. The encoded length is stored as 0xFC 0xFB 0x00. 0xFB (i.e., 251) is the sentinel byte indicating ""this field is null"". Incorrectly interpreting the (decoded) length as the sentinel byte would corrupt data.',
    'This string has exactly 251 characters in it. The encoded length is stored as 0xFC 0xFB 0x00. 0xFB (i.e., 251) is the sentinel byte indicating ""this field is null"". Incorrectly interpreting the (decoded) length as the sentinel byte would corrupt data.',
    'This string has exactly 251 characters in it. The encoded length is stored as 0xFC 0xFB 0x00. 0xFB (i.e., 251) is the sentinel byte indicating ""this field is null"". Incorrectly interpreting the (decoded) length as the sentinel byte would corrupt data.',
    'This string has exactly 251 characters in it. The encoded length is stored as 0xFC 0xFB 0x00. 0xFB (i.e., 251) is the sentinel byte indicating ""this field is null"". Incorrectly interpreting the (decoded) length as the sentinel byte would corrupt data.',
-   '6a0e0a40-6228-11d3-a996-0050041896c8', '6a0e0a40-6228-11d3-a996-0050041896c8');
+   '6a0e0a40-6228-11d3-a996-0050041896c8', '6a0e0a40-6228-11d3-a996-0050041896c8', 'This string has 36 characters in it.', 'This string has 36 characters in it.');
 
 drop table if exists datatypes_blobs;
 create table datatypes_blobs(