public void TestConvertEnumColumnidCheckThrowsExceptionWhenRgtagSequenceIsUnexpectedNull()
{
var managed = new JET_ENUMCOLUMNID
{
columnid = new JET_COLUMNID { Value = 1 },
ctagSequence = 1,
rgtagSequence = null,
};
managed.CheckDataSize();
}
public void TestConvertEnumColumnidCheckThrowsExceptionWhenCTagsSequenceIsTooLong()
{
var managed = new JET_ENUMCOLUMNID
{
columnid = new JET_COLUMNID { Value = 1 },
ctagSequence = 3,
rgtagSequence = new int[2],
};
managed.CheckDataSize();
}
public void TestConvertEnumColumnidCheckThrowsExceptionWhenCTagsSequenceIsNegative()
{
var managed = new JET_ENUMCOLUMNID
{
columnid = new JET_COLUMNID { Value = 1 },
ctagSequence = -1,
rgtagSequence = null,
};
managed.CheckDataSize();
}
public static JET_wrn JetEnumerateColumns(
JET_SESID sesid,
JET_TABLEID tableid,
int numColumnids,
JET_ENUMCOLUMNID[] columnids,
out int numColumnValues,
out JET_ENUMCOLUMN[] columnValues,
JET_PFNREALLOC allocator,
IntPtr allocatorContext,
int maxDataSize,
EnumerateColumnsGrbit grbit)
{
return Api.Check(
Impl.JetEnumerateColumns(
sesid,
tableid,
numColumnids,
columnids,
out numColumnValues,
out columnValues,
allocator,
allocatorContext,
maxDataSize,
grbit));
}
public void JetEnumerateColumnsThrowsExceptionWhenNumColumnidsIsTooLong()
{
int numColumnValues;
JET_ENUMCOLUMN[] columnValues;
JET_PFNREALLOC allocator = (context, pv, cb) => IntPtr.Zero;
var columnids = new JET_ENUMCOLUMNID[2];
Api.JetEnumerateColumns(
this.sesid,
this.tableid,
columnids.Length + 1,
columnids,
out numColumnValues,
out columnValues,
allocator,
IntPtr.Zero,
0,
EnumerateColumnsGrbit.None);
}
public void TestConvertEnumColumnidToNativeWithNoTags()
{
var managed = new JET_ENUMCOLUMNID
{
columnid = new JET_COLUMNID { Value = 1 },
ctagSequence = 0,
rgtagSequence = null,
};
var native = managed.GetNativeEnumColumnid();
Assert.AreEqual<uint>(1, native.columnid);
Assert.AreEqual<uint>(0, native.ctagSequence);
unsafe
{
Assert.IsTrue(null == native.rgtagSequence);
}
}
public void JetEnumcolumnidToString()
{
var value = new JET_ENUMCOLUMNID { columnid = new JET_COLUMNID { Value = 27 } };
Assert.AreEqual("JET_ENUMCOLUMNID(0x1b)", value.ToString());
}