private void TestFromBoolean(_Boolean x, Int16?expectedValue)
{
_Int16 expr = (_Int16)x;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(x, typeof(bool?), typeof(Int16?));
expr.VerifyEval(expectedValue);
}
private void TestFromString(String x, Int16?expectedValue)
{
_String column1 = x;
_Int16 expr = (_Int16)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(String), typeof(Int16?));
expr.VerifyEval(expectedValue);
}
private void TestFromDouble(Double?x, Int16?expectedValue)
{
_Double column1 = x;
_Int16 expr = (_Int16)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(Double?), typeof(Int16?));
expr.VerifyEval(expectedValue);
}
private void TestFromByte(byte?x, Int16?expectedValue)
{
_Byte column1 = x;
_Int16 expr = column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(byte?), typeof(Int16?));
expr.VerifyEval(expectedValue);
}
private void TestFromInt16(Int16?x, WeekDay?expectedValue)
{
_Int16 column1 = x;
var expr = (_Int16Enum <WeekDay>)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(Int16?), typeof(WeekDay?));
expr.VerifyEval(expectedValue);
}
private void TestNotEqual(Int16?x, Int16?y, bool?expectedValue)
{
_Int16 column1 = x;
_Int16 column2 = y;
var expr = column1 != column2;
var dbExpr = (DbBinaryExpression)expr.DbExpression;
dbExpr.Verify(BinaryExpressionKind.NotEqual, column1, column2);
expr.VerifyEval(expectedValue);
}
private void TestGreaterThan(Int16?x, Int16?y, bool?expectedValue)
{
_Int16 column1 = x;
_Int16 column2 = y;
var expr = column1 > column2;
var dbExpr = (DbBinaryExpression)expr.DbExpression;
dbExpr.Verify(BinaryExpressionKind.GreaterThan, column1, column2);
expr.VerifyEval(expectedValue);
}
private void TestConst(Int16?x)
{
_Int16 column = _Int16.Const(x);
column.VerifyConst(x);
}
private void TestImplicit(Int16?x)
{
_Int16 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 _Int16 Param(Int16?x, _Int16 sourceColumn = null)
{
return(new ParamExpression <Int16?>(x, sourceColumn).MakeColumn <_Int16>());
}