* OracleTransaction.cs: Corcompare fixes for 2.0 profile. Implemented

* OracleTransaction.cs: Corcompare fixes for 2.0 profile. Implemented
DbConnection and Dispose override. Code formatting.
* OracleLob.cs: Implemented Dispose overloads. Code formatting.
* OracleCommand.cs: Removed extra connection_timeout field. Fixed
DesignTimeVisible. Changed CommandText to return zero-length string
when underlying value is null. Fixed CommandTimeout to always
return 0. Implemented DbConnection, DbParameterCollection and
DbTransaction properties. Corcompare fixes for 2.0 profile.
* OracleTimeSpan.cs: In OracleTimeSpan ctor, throw NRE when from
is Null timespan. Fixed Hours property to actually return hours instead
of days. Modified Value to throw InvalidOperationException when
current instance is Null. Fixed explicit operator argument name.
* OracleRowUpdatingEventArgs.cs: Added missing BaseCommand override.
* OracleParameterCollection.cs: Removed extra internal ctor.
Corcompare fixes for 2.0 profile. On 1.0 profile, perform culture
sensitive and case-insensitive lookup. On 2.0 profile, first perform
case-sensitive lookup and fallback to case-insensitive lookup.
Set and remove Container where necessary, and perform checks for
ownership. Implemented AddRange overloads, and (Get/Set)Parameter.
Added several 2.0 overloads taking OracleParameter. Fixed exceptions
to match MS.
* OracleDataReader.cs: Corcompare fixes for 2.0 profile. Moved
disposing of schematable to Close, and invoke Close from Dispose.
Reduce casts. Stubbed methods introduced in 2.0 profile.
* OracleConnection.cs: Corcompare fixes for 2.0 profile. Changed
ConnectionString to return zero-length string when underlying value is
null. Removed explicit IDisposable implementation. Use string.Empty
instead of "". Code formatting.
* OracleMonthSpan.cs: Code formatting. Changed argument name of
explicit operator to match MS.
* OracleDataAdapter.cs: Code formatting. Fixed default ctor to use
null for SelectCommand. In 2.0 profile, set UpdateBatchSize to 1 and
throw AORE when setting it to negative value. Modified *Command setters
to throw InvalidCastException instead of ArgumentException. Removed
extra TableMappings property.
* OracleParameter.cs: Use zero-length string as default for
SourceColumn. Added missing 2.0 ctor. In ParameterName return zero
length string when name is null. Added SourceColumnNullMapping
property. Corcompare fixes for 2.0 profile. Code formatting.
* OracleBFile.cs: Added Dispose override for 2.0 profile.
* OracleDataAdapterTest.cs: Added ctor and basic property tests.
* OracleParameterCollectionTest.cs: Added tests for Clear,Count,Add,
Add,AddRange,Contains,indexers,IndexOf,Insert,Remove and RemoveAt.
* OracleCommandTest.cs: Added tests for ctors and CommandText,
CommandTimeout, ConnectionTimeout and Connection.
* OracleConnectionTest.cs: Added tests for ConnectionString and
ConnectionTimeout.
* OracleParameterTest.cs: Allow for disconnected tests. Added basic
ctor tests and test for ParameterName.
* OracleTimeSpanTest.cs: Added ctor tests. Added tests for IsNull,
MaxValue, MinValue, Null and ToString.
 * System.Data.OracleClient_test.dll.sources: Added
OracleConnectionTest.cs, OracleDataAdapterTest.cs and
OracleTimeSpanTest.cs.

svn path=/trunk/mcs/; revision=102756