private void TestToChar(WeekDay?x, Char?expectedValue)
{
_CharEnum <WeekDay> column1 = x;
var expr = (_Char)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(WeekDay?), typeof(Char?));
expr.VerifyEval(expectedValue);
}
private void TestEqual(WeekDay?x, WeekDay?y, bool?expectedValue)
{
_CharEnum <WeekDay> column1 = x;
_CharEnum <WeekDay> column2 = y;
var expr = column1 == column2;
var dbExpr = (DbBinaryExpression)expr.DbExpression;
dbExpr.Verify(BinaryExpressionKind.Equal, column1, column2);
expr.VerifyEval(expectedValue);
}
private static void TestImplicit(WeekDay?x)
{
_CharEnum <WeekDay> column = x;
column.VerifyParam(x);
}
/// <summary>Creates a column of parameter expression.</summary>
/// <param name="x">The value of the parameter expression.</param>
/// <param name="sourceColumn">The value which will be passed to <see cref="DbParamExpression.SourceColumn"/>.</param>
/// <returns>The column of parameter expression.</returns>
public static _CharEnum <T> Param(T?x, _CharEnum <T> sourceColumn = null)
{
return(new ParamExpression <T?>(x, sourceColumn).MakeColumn <_CharEnum <T> >());
}