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805 lines (714 loc) · 33.1 KB
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#region License
// The PostgreSQL License
//
// Copyright (C) 2017 The Npgsql Development Team
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
#endregion
#define NET_2_0
using System;
using System.Data;
using System.Data.Common;
using System.IO;
using System.Threading;
using System.Xml;
using Npgsql;
using NpgsqlTypes;
using NUnit.Framework;
namespace Npgsql.Tests
{
[TestFixture]
public class NpgsqlParameterTest : TestBase
{
[Test, Description("Makes sure that when NpgsqlDbType or Value/NpgsqlValue are set, DbType and NpgsqlDbType are set accordingly")]
public void ImplicitSettingOfDbTypes()
{
var p = new NpgsqlParameter("p", DbType.Int32);
Assert.That(p.NpgsqlDbType, Is.EqualTo(NpgsqlDbType.Integer));
// As long as NpgsqlDbType/DbType aren't set explicitly, infer them from Value
p = new NpgsqlParameter("p", 8);
Assert.That(p.NpgsqlDbType, Is.EqualTo(NpgsqlDbType.Integer));
Assert.That(p.DbType, Is.EqualTo(DbType.Int32));
p.Value = 3.0;
Assert.That(p.NpgsqlDbType, Is.EqualTo(NpgsqlDbType.Double));
Assert.That(p.DbType, Is.EqualTo(DbType.Double));
p.NpgsqlDbType = NpgsqlDbType.Bytea;
Assert.That(p.NpgsqlDbType, Is.EqualTo(NpgsqlDbType.Bytea));
Assert.That(p.DbType, Is.EqualTo(DbType.Binary));
p.Value = "dont_change";
Assert.That(p.NpgsqlDbType, Is.EqualTo(NpgsqlDbType.Bytea));
Assert.That(p.DbType, Is.EqualTo(DbType.Binary));
p = new NpgsqlParameter("p", new int[0]);
Assert.That(p.NpgsqlDbType, Is.EqualTo(NpgsqlDbType.Array | NpgsqlDbType.Integer));
Assert.That(p.DbType, Is.EqualTo(DbType.Object));
}
[Test]
public void TypeName()
{
using (var conn = OpenConnection())
using (var cmd = new NpgsqlCommand("SELECT @p", conn))
{
var p1 = new NpgsqlParameter { ParameterName = "p", Value = 8, DataTypeName = "int4" };
cmd.Parameters.Add(p1);
Assert.That(cmd.ExecuteScalar(), Is.EqualTo(8));
// Purposefully try to send int as string, which should fail. This makes sure
// the above doesn't work simply because of type inference from the CLR type.
p1.DataTypeName = "text";
Assert.That(() => cmd.ExecuteScalar(), Throws.Exception.TypeOf<InvalidCastException>());
cmd.Parameters.Clear();
var p2 = new NpgsqlParameter<int> { ParameterName = "p", TypedValue = 8, DataTypeName = "int4" };
cmd.Parameters.Add(p2);
Assert.That(cmd.ExecuteScalar(), Is.EqualTo(8));
// Purposefully try to send int as string, which should fail. This makes sure
// the above doesn't work simply because of type inference from the CLR type.
p2.DataTypeName = "text";
Assert.That(() => cmd.ExecuteScalar(), Throws.Exception.TypeOf<InvalidCastException>());
}
}
// Older tests
/// <summary>
/// Test which validates that Clear() indeed cleans up the parameters in a command so they can be added to other commands safely.
/// </summary>
[Test]
public void NpgsqlParameterCollectionClearTest()
{
var p = new NpgsqlParameter();
var c1 = new NpgsqlCommand();
var c2 = new NpgsqlCommand();
c1.Parameters.Add(p);
Assert.AreEqual(1, c1.Parameters.Count);
Assert.AreEqual(0, c2.Parameters.Count);
c1.Parameters.Clear();
Assert.AreEqual(0, c1.Parameters.Count);
c2.Parameters.Add(p);
Assert.AreEqual(0, c1.Parameters.Count);
Assert.AreEqual(1, c2.Parameters.Count);
}
#region Constructors
[Test]
public void Constructor1()
{
var p = new NpgsqlParameter();
Assert.AreEqual(DbType.Object, p.DbType, "DbType");
Assert.AreEqual(ParameterDirection.Input, p.Direction, "Direction");
Assert.IsFalse(p.IsNullable, "IsNullable");
#if NET_2_0
//Assert.AreEqual (0, p.LocaleId, "LocaleId");
#endif
Assert.AreEqual(string.Empty, p.ParameterName, "ParameterName");
Assert.AreEqual(0, p.Precision, "Precision");
Assert.AreEqual(0, p.Scale, "Scale");
Assert.AreEqual(0, p.Size, "Size");
Assert.AreEqual(string.Empty, p.SourceColumn, "SourceColumn");
#if NET_2_0
Assert.IsFalse(p.SourceColumnNullMapping, "SourceColumnNullMapping");
#endif
#if !NETCOREAPP1_1
Assert.AreEqual(DataRowVersion.Current, p.SourceVersion, "SourceVersion");
#endif
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "NpgsqlDbType");
#if NET_2_0
Assert.IsNull(p.NpgsqlValue, "NpgsqlValue");
#endif
Assert.IsNull(p.Value, "Value");
#if NET_2_0
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionDatabase, "XmlSchemaCollectionDatabase");
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionName, "XmlSchemaCollectionName");
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionOwningSchema, "XmlSchemaCollectionOwningSchema");
#endif
}
[Test]
public void Constructor2_Value_DateTime()
{
var value = new DateTime(2004, 8, 24);
var p = new NpgsqlParameter("address", value);
Assert.AreEqual(DbType.DateTime, p.DbType, "B:DbType");
Assert.AreEqual(ParameterDirection.Input, p.Direction, "B:Direction");
Assert.IsFalse(p.IsNullable, "B:IsNullable");
#if NET_2_0
//Assert.AreEqual (0, p.LocaleId, "B:LocaleId");
#endif
Assert.AreEqual("address", p.ParameterName, "B:ParameterName");
Assert.AreEqual(0, p.Precision, "B:Precision");
Assert.AreEqual(0, p.Scale, "B:Scale");
//Assert.AreEqual (0, p.Size, "B:Size");
Assert.AreEqual(string.Empty, p.SourceColumn, "B:SourceColumn");
#if NET_2_0
Assert.IsFalse(p.SourceColumnNullMapping, "B:SourceColumnNullMapping");
#endif
#if !NETCOREAPP1_1
Assert.AreEqual(DataRowVersion.Current, p.SourceVersion, "B:SourceVersion");
#endif
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "B:NpgsqlDbType");
#if NET_2_0
// FIXME
//Assert.AreEqual (new SqlDateTime (value), p.NpgsqlValue, "B:NpgsqlValue");
#endif
Assert.AreEqual(value, p.Value, "B:Value");
#if NET_2_0
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionDatabase, "B:XmlSchemaCollectionDatabase");
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionName, "B:XmlSchemaCollectionName");
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionOwningSchema, "B:XmlSchemaCollectionOwningSchema");
#endif
}
[Test]
public void Constructor2_Value_DBNull()
{
var p = new NpgsqlParameter("address", DBNull.Value);
Assert.AreEqual(DbType.Object, p.DbType, "B:DbType");
Assert.AreEqual(ParameterDirection.Input, p.Direction, "B:Direction");
Assert.IsFalse(p.IsNullable, "B:IsNullable");
#if NET_2_0
//Assert.AreEqual (0, p.LocaleId, "B:LocaleId");
#endif
Assert.AreEqual("address", p.ParameterName, "B:ParameterName");
Assert.AreEqual(0, p.Precision, "B:Precision");
Assert.AreEqual(0, p.Scale, "B:Scale");
Assert.AreEqual(0, p.Size, "B:Size");
Assert.AreEqual(string.Empty, p.SourceColumn, "B:SourceColumn");
#if NET_2_0
Assert.IsFalse(p.SourceColumnNullMapping, "B:SourceColumnNullMapping");
#endif
#if !NETCOREAPP1_1
Assert.AreEqual(DataRowVersion.Current, p.SourceVersion, "B:SourceVersion");
#endif
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "B:NpgsqlDbType");
#if NET_2_0
// FIXME
//Assert.AreEqual (SqlString.Null, p.NpgsqlValue, "B:NpgsqlValue");
#endif
Assert.AreEqual(DBNull.Value, p.Value, "B:Value");
#if NET_2_0
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionDatabase, "B:XmlSchemaCollectionDatabase");
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionName, "B:XmlSchemaCollectionName");
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionOwningSchema, "B:XmlSchemaCollectionOwningSchema");
#endif
}
[Test]
public void Constructor2_Value_Null()
{
var p = new NpgsqlParameter("address", (object) null);
Assert.AreEqual(DbType.Object, p.DbType, "A:DbType");
Assert.AreEqual(ParameterDirection.Input, p.Direction, "A:Direction");
Assert.IsFalse(p.IsNullable, "A:IsNullable");
#if NET_2_0
//Assert.AreEqual (0, p.LocaleId, "A:LocaleId");
#endif
Assert.AreEqual("address", p.ParameterName, "A:ParameterName");
Assert.AreEqual(0, p.Precision, "A:Precision");
Assert.AreEqual(0, p.Scale, "A:Scale");
Assert.AreEqual(0, p.Size, "A:Size");
Assert.AreEqual(string.Empty, p.SourceColumn, "A:SourceColumn");
#if NET_2_0
Assert.IsFalse(p.SourceColumnNullMapping, "A:SourceColumnNullMapping");
#endif
#if !NETCOREAPP1_1
Assert.AreEqual(DataRowVersion.Current, p.SourceVersion, "A:SourceVersion");
#endif
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "A:NpgsqlDbType");
#if NET_2_0
Assert.IsNull(p.NpgsqlValue, "A:NpgsqlValue");
#endif
Assert.IsNull(p.Value, "A:Value");
#if NET_2_0
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionDatabase, "A:XmlSchemaCollectionDatabase");
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionName, "A:XmlSchemaCollectionName");
//Assert.AreEqual (string.Empty, p.XmlSchemaCollectionOwningSchema, "A:XmlSchemaCollectionOwningSchema");
#endif
}
#if NET_2_0
#if !NETCOREAPP1_1
[Test]
//.ctor (String, NpgsqlDbType, Int32, String, ParameterDirection, bool, byte, byte, DataRowVersion, object)
public void Constructor7()
{
var p1 = new NpgsqlParameter("p1Name", NpgsqlDbType.Varchar, 20,
"srcCol", ParameterDirection.InputOutput, false, 0, 0,
DataRowVersion.Original, "foo");
Assert.AreEqual(DbType.String, p1.DbType, "DbType");
Assert.AreEqual(ParameterDirection.InputOutput, p1.Direction, "Direction");
Assert.AreEqual(false, p1.IsNullable, "IsNullable");
//Assert.AreEqual (999, p1.LocaleId, "#");
Assert.AreEqual("p1Name", p1.ParameterName, "ParameterName");
Assert.AreEqual(0, p1.Precision, "Precision");
Assert.AreEqual(0, p1.Scale, "Scale");
Assert.AreEqual(20, p1.Size, "Size");
Assert.AreEqual("srcCol", p1.SourceColumn, "SourceColumn");
Assert.AreEqual(false, p1.SourceColumnNullMapping, "SourceColumnNullMapping");
Assert.AreEqual(DataRowVersion.Original, p1.SourceVersion, "SourceVersion");
Assert.AreEqual(NpgsqlDbType.Varchar, p1.NpgsqlDbType, "NpgsqlDbType");
//Assert.AreEqual (3210, p1.NpgsqlValue, "#");
Assert.AreEqual("foo", p1.Value, "Value");
//Assert.AreEqual ("database", p1.XmlSchemaCollectionDatabase, "XmlSchemaCollectionDatabase");
//Assert.AreEqual ("name", p1.XmlSchemaCollectionName, "XmlSchemaCollectionName");
//Assert.AreEqual ("schema", p1.XmlSchemaCollectionOwningSchema, "XmlSchemaCollectionOwningSchema");
}
#endif
#endif
#endregion
#if NeedsPorting
[Test]
#if NET_2_0
[Category ("NotWorking")]
#endif
public void InferType_Char()
{
Char value = 'X';
#if NET_2_0
String string_value = "X";
NpgsqlParameter p = new NpgsqlParameter ();
p.Value = value;
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#A:NpgsqlDbType");
Assert.AreEqual (DbType.String, p.DbType, "#A:DbType");
Assert.AreEqual (string_value, p.Value, "#A:Value");
p = new NpgsqlParameter ();
p.Value = value;
Assert.AreEqual (value, p.Value, "#B:Value1");
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#B:NpgsqlDbType");
Assert.AreEqual (string_value, p.Value, "#B:Value2");
p = new NpgsqlParameter ();
p.Value = value;
Assert.AreEqual (value, p.Value, "#C:Value1");
Assert.AreEqual (DbType.String, p.DbType, "#C:DbType");
Assert.AreEqual (string_value, p.Value, "#C:Value2");
p = new NpgsqlParameter ("name", value);
Assert.AreEqual (value, p.Value, "#D:Value1");
Assert.AreEqual (DbType.String, p.DbType, "#D:DbType");
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#D:NpgsqlDbType");
Assert.AreEqual (string_value, p.Value, "#D:Value2");
p = new NpgsqlParameter ("name", 5);
p.Value = value;
Assert.AreEqual (value, p.Value, "#E:Value1");
Assert.AreEqual (DbType.String, p.DbType, "#E:DbType");
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#E:NpgsqlDbType");
Assert.AreEqual (string_value, p.Value, "#E:Value2");
p = new NpgsqlParameter ("name", NpgsqlDbType.Text);
p.Value = value;
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#F:NpgsqlDbType");
Assert.AreEqual (value, p.Value, "#F:Value");
#else
NpgsqlParameter p = new NpgsqlParameter();
try
{
p.Value = value;
Assert.Fail("#1");
}
catch (ArgumentException ex)
{
// The parameter data type of Char is invalid
Assert.AreEqual(typeof(ArgumentException), ex.GetType(), "#2");
Assert.IsNull(ex.InnerException, "#3");
Assert.IsNotNull(ex.Message, "#4");
Assert.IsNull(ex.ParamName, "#5");
}
#endif
}
[Test]
#if NET_2_0
[Category ("NotWorking")]
#endif
public void InferType_CharArray()
{
Char[] value = new Char[] { 'A', 'X' };
#if NET_2_0
String string_value = "AX";
NpgsqlParameter p = new NpgsqlParameter ();
p.Value = value;
Assert.AreEqual (value, p.Value, "#A:Value1");
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#A:NpgsqlDbType");
Assert.AreEqual (DbType.String, p.DbType, "#A:DbType");
Assert.AreEqual (string_value, p.Value, "#A:Value2");
p = new NpgsqlParameter ();
p.Value = value;
Assert.AreEqual (value, p.Value, "#B:Value1");
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#B:NpgsqlDbType");
Assert.AreEqual (string_value, p.Value, "#B:Value2");
p = new NpgsqlParameter ();
p.Value = value;
Assert.AreEqual (value, p.Value, "#C:Value1");
Assert.AreEqual (DbType.String, p.DbType, "#C:DbType");
Assert.AreEqual (string_value, p.Value, "#C:Value2");
p = new NpgsqlParameter ("name", value);
Assert.AreEqual (value, p.Value, "#D:Value1");
Assert.AreEqual (DbType.String, p.DbType, "#D:DbType");
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#D:NpgsqlDbType");
Assert.AreEqual (string_value, p.Value, "#D:Value2");
p = new NpgsqlParameter ("name", 5);
p.Value = value;
Assert.AreEqual (value, p.Value, "#E:Value1");
Assert.AreEqual (DbType.String, p.DbType, "#E:DbType");
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#E:NpgsqlDbType");
Assert.AreEqual (string_value, p.Value, "#E:Value2");
p = new NpgsqlParameter ("name", NpgsqlDbType.Text);
p.Value = value;
Assert.AreEqual (NpgsqlDbType.Text, p.NpgsqlDbType, "#F:NpgsqlDbType");
Assert.AreEqual (value, p.Value, "#F:Value");
#else
NpgsqlParameter p = new NpgsqlParameter();
try
{
p.Value = value;
Assert.Fail("#1");
}
catch (FormatException)
{
// appears to be bug in .NET 1.1 while constructing
// exception message
}
catch (ArgumentException ex)
{
// The parameter data type of Char[] is invalid
Assert.AreEqual(typeof(ArgumentException), ex.GetType(), "#2");
Assert.IsNull(ex.InnerException, "#3");
Assert.IsNotNull(ex.Message, "#4");
Assert.IsNull(ex.ParamName, "#5");
}
#endif
}
#endif
[Test]
[Ignore("")]
public void InferType_Invalid()
{
var notsupported = new object[]
{
ushort.MaxValue,
uint.MaxValue,
ulong.MaxValue,
sbyte.MaxValue,
new NpgsqlParameter()
};
var param = new NpgsqlParameter();
for (var i = 0; i < notsupported.Length; i++)
{
try
{
param.Value = notsupported[i];
Assert.Fail("#A1:" + i);
}
catch (FormatException)
{
// appears to be bug in .NET 1.1 while
// constructing exception message
}
catch (ArgumentException ex)
{
// The parameter data type of ... is invalid
Assert.AreEqual(typeof(ArgumentException), ex.GetType(), "#A2");
Assert.IsNull(ex.InnerException, "#A3");
Assert.IsNotNull(ex.Message, "#A4");
Assert.IsNull(ex.ParamName, "#A5");
}
}
}
#if NeedsPorting
[Test]
public void InferType_Object()
{
Object value = new Object();
NpgsqlParameter param = new NpgsqlParameter();
param.Value = value;
Assert.AreEqual(NpgsqlDbType.Variant, param.NpgsqlDbType, "#1");
Assert.AreEqual(DbType.Object, param.DbType, "#2");
}
#endif
#if NeedsPorting
#if NET_2_0
[Test]
public void LocaleId ()
{
NpgsqlParameter parameter = new NpgsqlParameter ();
Assert.AreEqual (0, parameter.LocaleId, "#1");
parameter.LocaleId = 15;
Assert.AreEqual(15, parameter.LocaleId, "#2");
}
#endif
#endif
[Test] // bug #320196
public void ParameterNullTest()
{
var param = new NpgsqlParameter("param", NpgsqlDbType.Numeric);
Assert.AreEqual(0, param.Scale, "#A1");
param.Value = DBNull.Value;
Assert.AreEqual(0, param.Scale, "#A2");
param = new NpgsqlParameter("param", NpgsqlDbType.Integer);
Assert.AreEqual(0, param.Scale, "#B1");
param.Value = DBNull.Value;
Assert.AreEqual(0, param.Scale, "#B2");
}
[Test]
[Ignore("")]
public void ParameterType()
{
NpgsqlParameter p;
// If Type is not set, then type is inferred from the value
// assigned. The Type should be inferred everytime Value is assigned
// If value is null or DBNull, then the current Type should be reset to Text.
p = new NpgsqlParameter();
Assert.AreEqual(DbType.String, p.DbType, "#A1");
Assert.AreEqual(NpgsqlDbType.Text, p.NpgsqlDbType, "#A2");
p.Value = DBNull.Value;
Assert.AreEqual(DbType.String, p.DbType, "#B1");
Assert.AreEqual(NpgsqlDbType.Text, p.NpgsqlDbType, "#B2");
p.Value = 1;
Assert.AreEqual(DbType.Int32, p.DbType, "#C1");
Assert.AreEqual(NpgsqlDbType.Integer, p.NpgsqlDbType, "#C2");
p.Value = DBNull.Value;
#if NET_2_0
Assert.AreEqual(DbType.String, p.DbType, "#D1");
Assert.AreEqual(NpgsqlDbType.Text, p.NpgsqlDbType, "#D2");
#else
Assert.AreEqual(DbType.Int32, p.DbType, "#D1");
Assert.AreEqual(NpgsqlDbType.Integer, p.NpgsqlDbType, "#D2");
#endif
p.Value = new byte[] {0x0a};
Assert.AreEqual(DbType.Binary, p.DbType, "#E1");
Assert.AreEqual(NpgsqlDbType.Bytea, p.NpgsqlDbType, "#E2");
p.Value = null;
#if NET_2_0
Assert.AreEqual(DbType.String, p.DbType, "#F1");
Assert.AreEqual(NpgsqlDbType.Text, p.NpgsqlDbType, "#F2");
#else
Assert.AreEqual(DbType.Binary, p.DbType, "#F1");
Assert.AreEqual(NpgsqlDbType.VarBinary, p.NpgsqlDbType, "#F2");
#endif
p.Value = DateTime.Now;
Assert.AreEqual(DbType.DateTime, p.DbType, "#G1");
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#G2");
p.Value = null;
#if NET_2_0
Assert.AreEqual(DbType.String, p.DbType, "#H1");
Assert.AreEqual(NpgsqlDbType.Text, p.NpgsqlDbType, "#H2");
#else
Assert.AreEqual(DbType.DateTime, p.DbType, "#H1");
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#H2");
#endif
// If DbType is set, then the NpgsqlDbType should not be
// inferred from the value assigned.
p = new NpgsqlParameter();
p.DbType = DbType.DateTime;
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#I1");
p.Value = 1;
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#I2");
p.Value = null;
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#I3");
p.Value = DBNull.Value;
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#I4");
// If NpgsqlDbType is set, then the DbType should not be
// inferred from the value assigned.
p = new NpgsqlParameter();
p.NpgsqlDbType = NpgsqlDbType.Bytea;
Assert.AreEqual(NpgsqlDbType.Bytea, p.NpgsqlDbType, "#J1");
p.Value = 1;
Assert.AreEqual(NpgsqlDbType.Bytea, p.NpgsqlDbType, "#J2");
p.Value = null;
Assert.AreEqual(NpgsqlDbType.Bytea, p.NpgsqlDbType, "#J3");
p.Value = DBNull.Value;
Assert.AreEqual(NpgsqlDbType.Bytea, p.NpgsqlDbType, "#J4");
}
[Test]
[Ignore("")]
public void ParameterName()
{
var p = new NpgsqlParameter();
p.ParameterName = "name";
Assert.AreEqual("name", p.ParameterName, "#A:ParameterName");
Assert.AreEqual(string.Empty, p.SourceColumn, "#A:SourceColumn");
p.ParameterName = null;
Assert.AreEqual(string.Empty, p.ParameterName, "#B:ParameterName");
Assert.AreEqual(string.Empty, p.SourceColumn, "#B:SourceColumn");
p.ParameterName = " ";
Assert.AreEqual(" ", p.ParameterName, "#C:ParameterName");
Assert.AreEqual(string.Empty, p.SourceColumn, "#C:SourceColumn");
p.ParameterName = " name ";
Assert.AreEqual(" name ", p.ParameterName, "#D:ParameterName");
Assert.AreEqual(string.Empty, p.SourceColumn, "#D:SourceColumn");
p.ParameterName = string.Empty;
Assert.AreEqual(string.Empty, p.ParameterName, "#E:ParameterName");
Assert.AreEqual(string.Empty, p.SourceColumn, "#E:SourceColumn");
}
#if NET_2_0
[Test]
public void ResetDbType()
{
NpgsqlParameter p;
//Parameter with an assigned value but no DbType specified
p = new NpgsqlParameter("foo", 42);
p.ResetDbType();
Assert.AreEqual(DbType.Int32, p.DbType, "#A:DbType");
Assert.AreEqual(NpgsqlDbType.Integer, p.NpgsqlDbType, "#A:NpgsqlDbType");
Assert.AreEqual(42, p.Value, "#A:Value");
p.DbType = DbType.DateTime; //assigning a DbType
Assert.AreEqual(DbType.DateTime, p.DbType, "#B:DbType1");
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#B:SqlDbType1");
p.ResetDbType();
Assert.AreEqual(DbType.Int32, p.DbType, "#B:DbType2");
Assert.AreEqual(NpgsqlDbType.Integer, p.NpgsqlDbType, "#B:SqlDbtype2");
//Parameter with an assigned NpgsqlDbType but no specified value
p = new NpgsqlParameter("foo", NpgsqlDbType.Integer);
p.ResetDbType();
Assert.AreEqual(DbType.Object, p.DbType, "#C:DbType");
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "#C:NpgsqlDbType");
p.DbType = DbType.DateTime; //assigning a NpgsqlDbType
Assert.AreEqual(DbType.DateTime, p.DbType, "#D:DbType1");
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#D:SqlDbType1");
p.ResetDbType();
Assert.AreEqual(DbType.Object, p.DbType, "#D:DbType2");
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "#D:SqlDbType2");
p = new NpgsqlParameter();
p.Value = DateTime.MaxValue;
Assert.AreEqual(DbType.DateTime, p.DbType, "#E:DbType1");
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#E:SqlDbType1");
p.Value = null;
p.ResetDbType();
Assert.AreEqual(DbType.Object, p.DbType, "#E:DbType2");
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "#E:SqlDbType2");
p = new NpgsqlParameter("foo", NpgsqlDbType.Varchar);
p.Value = DateTime.MaxValue;
p.ResetDbType();
Assert.AreEqual(DbType.DateTime, p.DbType, "#F:DbType");
Assert.AreEqual(NpgsqlDbType.Timestamp, p.NpgsqlDbType, "#F:NpgsqlDbType");
Assert.AreEqual(DateTime.MaxValue, p.Value, "#F:Value");
p = new NpgsqlParameter("foo", NpgsqlDbType.Varchar);
p.Value = DBNull.Value;
p.ResetDbType();
Assert.AreEqual(DbType.Object, p.DbType, "#G:DbType");
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "#G:NpgsqlDbType");
Assert.AreEqual(DBNull.Value, p.Value, "#G:Value");
p = new NpgsqlParameter("foo", NpgsqlDbType.Varchar);
p.Value = null;
p.ResetDbType();
Assert.AreEqual(DbType.Object, p.DbType, "#G:DbType");
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "#G:NpgsqlDbType");
Assert.IsNull(p.Value, "#G:Value");
}
#endif
[Test]
[Ignore("")]
public void SourceColumn()
{
var p = new NpgsqlParameter();
p.SourceColumn = "name";
Assert.AreEqual(string.Empty, p.ParameterName, "#A:ParameterName");
Assert.AreEqual("name", p.SourceColumn, "#A:SourceColumn");
p.SourceColumn = null;
Assert.AreEqual(string.Empty, p.ParameterName, "#B:ParameterName");
Assert.AreEqual(string.Empty, p.SourceColumn, "#B:SourceColumn");
p.SourceColumn = " ";
Assert.AreEqual(string.Empty, p.ParameterName, "#C:ParameterName");
Assert.AreEqual(" ", p.SourceColumn, "#C:SourceColumn");
p.SourceColumn = " name ";
Assert.AreEqual(string.Empty, p.ParameterName, "#D:ParameterName");
Assert.AreEqual(" name ", p.SourceColumn, "#D:SourceColumn");
p.SourceColumn = string.Empty;
Assert.AreEqual(string.Empty, p.ParameterName, "#E:ParameterName");
Assert.AreEqual(string.Empty, p.SourceColumn, "#E:SourceColumn");
}
[Test]
public void Bug1011100NpgsqlDbTypeTest()
{
var p = new NpgsqlParameter();
p.Value = DBNull.Value;
Assert.AreEqual(DbType.Object, p.DbType, "#A:DbType");
Assert.AreEqual(NpgsqlDbType.Unknown, p.NpgsqlDbType, "#A:NpgsqlDbType");
// Now change parameter value.
// Note that as we didn't explicitly specified a dbtype, the dbtype property should change when
// the value changes...
p.Value = 8;
Assert.AreEqual(DbType.Int32, p.DbType, "#A:DbType");
Assert.AreEqual(NpgsqlDbType.Integer, p.NpgsqlDbType, "#A:NpgsqlDbType");
//Assert.AreEqual(3510, p.Value, "#A:Value");
//p.NpgsqlDbType = NpgsqlDbType.Varchar;
//Assert.AreEqual(DbType.String, p.DbType, "#B:DbType");
//Assert.AreEqual(NpgsqlDbType.Varchar, p.NpgsqlDbType, "#B:NpgsqlDbType");
//Assert.AreEqual(3510, p.Value, "#B:Value");
}
[Test]
public void ParameterCollectionHashLookupParameterRenameBug()
{
using (var command = new NpgsqlCommand())
{
// Put plenty of parameters in the collection to turn on hash lookup functionality.
for (var i = 0 ; i < 10 ; i++)
{
command.Parameters.AddWithValue(string.Format("p{0:00}", i + 1), NpgsqlDbType.Text, string.Format("String parameter value {0}", i + 1));
}
// Make sure both hash lookups have been generated.
Assert.AreEqual(command.Parameters["p03"].ParameterName, "p03");
Assert.AreEqual(command.Parameters["P03"].ParameterName, "p03");
// Rename the target parameter.
command.Parameters["p03"].ParameterName = "a_new_name";
try
{
// Try to exploit the hash lookup bug.
// If the bug exists, the hash lookups will be out of sync with the list, and be unable
// to find the parameter by its new name.
Assert.IsTrue(command.Parameters.IndexOf("a_new_name") >= 0);
}
catch (Exception e)
{
throw new Exception("NpgsqlParameterCollection hash lookup/parameter rename bug detected", e);
}
}
}
[Test]
public void NpgsqlParameterCloneTest()
{
var param = new NpgsqlParameter();
param.Value = 5;
param.Precision = 1;
param.Scale = 1;
param.Size = 1;
param.Direction = ParameterDirection.Input;
param.IsNullable = true;
param.ParameterName = "parameterName";
param.SourceColumn = "source_column";
#if !NETCOREAPP1_1
param.SourceVersion = DataRowVersion.Current;
#endif
param.NpgsqlValue = 5;
param.SourceColumnNullMapping = false;
var newParam = param.Clone();
Assert.AreEqual(param.Value, newParam.Value);
Assert.AreEqual(param.Precision, newParam.Precision);
Assert.AreEqual(param.Scale, newParam.Scale);
Assert.AreEqual(param.Size, newParam.Size);
Assert.AreEqual(param.Direction, newParam.Direction);
Assert.AreEqual(param.IsNullable, newParam.IsNullable);
Assert.AreEqual(param.ParameterName, newParam.ParameterName);
Assert.AreEqual(param.SourceColumn, newParam.SourceColumn);
#if !NETCOREAPP1_1
Assert.AreEqual(param.SourceVersion, newParam.SourceVersion);
#endif
Assert.AreEqual(param.NpgsqlValue, newParam.NpgsqlValue);
Assert.AreEqual(param.SourceColumnNullMapping, newParam.SourceColumnNullMapping);
Assert.AreEqual(param.NpgsqlValue, newParam.NpgsqlValue);
}
[Test]
public void CleanName()
{
var param = new NpgsqlParameter();
var command = new NpgsqlCommand();
command.Parameters.Add(param);
param.ParameterName = "";
// These should not throw exceptions
Assert.AreEqual(0, command.Parameters.IndexOf(""));
Assert.AreEqual("", param.ParameterName);
}
}
}