Add tests for MySqlParameterCollection.CopyTo.

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

Author: bgrainger

src/MySqlConnector/MySql.Data.MySqlClient/MySqlParameterCollection.cs

@@ -63,7 +63,7 @@ public MySqlParameter AddWithValue(string parameterName, object value)
 
 		public override bool Contains(string value) => IndexOf(value) != -1;
 
-		public override void CopyTo(Array array, int index) => ((ICollection) m_parameters).CopyTo( array, index);
+		public override void CopyTo(Array array, int index) => ((ICollection) m_parameters).CopyTo(array, index);
 
 		public override void Clear()
 		{

tests/SideBySide/ParameterCollection.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Data.Common;
 using MySql.Data.MySqlClient;
 using Xunit;
 
@@ -189,6 +190,54 @@ public void AddNameTypeSize()
 			Assert.Same(parameter, m_parameterCollection[0]);
 		}
 
+		[Fact]
+		public void CopyTo()
+		{
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test1", Value = 0 });
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test2", Value = 1 });
+			var array = new DbParameter[2];
+			m_parameterCollection.CopyTo(array, 0);
+			Assert.Same(array[0], m_parameterCollection[0]);
+			Assert.Same(array[1], m_parameterCollection[1]);
+		}
+
+		[Fact]
+		public void CopyToIndex()
+		{
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test1", Value = 0 });
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test2", Value = 1 });
+			var array = new DbParameter[4];
+			m_parameterCollection.CopyTo(array, 1);
+			Assert.Null(array[0]);
+			Assert.Same(array[1], m_parameterCollection[0]);
+			Assert.Same(array[2], m_parameterCollection[1]);
+			Assert.Null(array[3]);
+		}
+
+		[Fact]
+		public void CopyToNullArray()
+		{
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test1", Value = 0 });
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test2", Value = 1 });
+			Assert.Throws<ArgumentNullException>(() => m_parameterCollection.CopyTo(null, 0));
+		}
+
+		[Fact]
+		public void CopyToSmallArray()
+		{
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test1", Value = 0 });
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test2", Value = 1 });
+			Assert.Throws<ArgumentException>(() => m_parameterCollection.CopyTo(new DbParameter[1], 0));
+		}
+
+		[Fact]
+		public void CopyToIndexOutOfRange()
+		{
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test1", Value = 0 });
+			m_parameterCollection.Add(new MySqlParameter { ParameterName = "@Test2", Value = 1 });
+			Assert.Throws<ArgumentException>(() => m_parameterCollection.CopyTo(new DbParameter[2], 3));
+		}
+
 		MySqlCommand m_command;
 		MySqlParameterCollection m_parameterCollection;
 	}