public void ConvertRecposToNativeWithNegativeCentriesTotal()
{
var recpos = new JET_RECPOS();
recpos.centriesLT = 1;
recpos.centriesTotal = Int64.MinValue;
NATIVE_RECPOS native = recpos.GetNativeRecpos();
}
public void ConvertRecposToNativeWithNegativeCentriesLt()
{
var recpos = new JET_RECPOS();
recpos.centriesLT = -1;
recpos.centriesTotal = 10;
NATIVE_RECPOS native = recpos.GetNativeRecpos();
}
public void ConvertRecposToNative()
{
var recpos = new JET_RECPOS();
recpos.centriesLT = 5;
recpos.centriesTotal = 10;
NATIVE_RECPOS native = recpos.GetNativeRecpos();
Assert.AreEqual(5U, native.centriesLT);
Assert.AreEqual(10U, native.centriesTotal);
}
public void ConvertRecposFromNative()
{
var native = new NATIVE_RECPOS();
native.centriesLT = 1;
native.centriesTotal = 2;
var recpos = new JET_RECPOS();
recpos.SetFromNativeRecpos(native);
Assert.AreEqual(1, recpos.centriesLT);
Assert.AreEqual(2, recpos.centriesTotal);
}
public void GotoLastPosition()
{
var recpos = new JET_RECPOS() { centriesLT = 4, centriesTotal = 4 };
Api.JetGotoPosition(this.sesid, this.tableid, recpos);
int actual = this.GetLongColumn();
Assert.AreEqual(this.numRecords - 1, actual);
}
public void GotoFirstPosition()
{
var recpos = new JET_RECPOS() { centriesLT = 0, centriesTotal = 10 };
Api.JetGotoPosition(this.sesid, this.tableid, recpos);
int actual = this.GetLongColumn();
Assert.AreEqual(0, actual);
}
/// <summary>
/// Moves a cursor to a new location that is a fraction of the way through
/// the current index.
/// Also see <seealso cref="JetGetRecordPosition"/>.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">The cursor to position.</param>
/// <param name="recpos">The approximate position to move to.</param>
public static void JetGotoPosition(JET_SESID sesid, JET_TABLEID tableid, JET_RECPOS recpos)
{
Api.Check(Impl.JetGotoPosition(sesid, tableid, recpos));
}
/// <summary>
/// Returns the fractional position of the current record in the current index
/// in the form of a <see cref="JET_RECPOS"/> structure.
/// Also see <seealso cref="JetGotoPosition"/>.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">The cursor positioned on the record.</param>
/// <param name="recpos">Returns the approximate fractional position of the record.</param>
public static void JetGetRecordPosition(JET_SESID sesid, JET_TABLEID tableid, out JET_RECPOS recpos)
{
Api.Check(Impl.JetGetRecordPosition(sesid, tableid, out recpos));
}
/// <summary>
/// Goto the given fractional position on the current index
/// </summary>
/// <param name="position">The desired position on the current index of the cursor</param>
/// <remarks>
/// As a side effect, any restriction in effect will be cleared.
/// </remarks>
public void GotoPosition(Position position)
{
lock (this.isamSession)
{
this.CheckDisposed();
this.OnNavigation();
// clear our index range
this.FindAllRecords();
// go to the given fractional position on the current index
JET_RECPOS recpos = new JET_RECPOS();
recpos.centriesLT = position.Entry;
recpos.centriesTotal = position.TotalEntries;
Api.JetGotoPosition(this.isamSession.Sesid, this.tableid, recpos);
// clear our field cache because the current record has changed
this.fields = null;
}
}
public void JetRecposToString()
{
var recpos = new JET_RECPOS { centriesLT = 5, centriesTotal = 10 };
Assert.AreEqual("JET_RECPOS(5/10)", recpos.ToString());
}
