private void TestFromBoolean(_Boolean x, Int64?expectedValue)
{
_Int64 expr = (_Int64)x;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(x, typeof(bool?), typeof(Int64?));
expr.VerifyEval(expectedValue);
}
private void TestFromInt64(Int64?x, Int32?expectedValue)
{
_Int64 column1 = x;
_Int32 expr = (_Int32)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(Int64?), typeof(Int32?));
expr.VerifyEval(expectedValue);
}
private void TestFromInt64(Int64?x, WeekDay?expectedValue)
{
_Int64 column1 = x;
var expr = (_Int64Enum <WeekDay>)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(Int64?), typeof(WeekDay?));
expr.VerifyEval(expectedValue);
}
private void TestOnesComplement(Int64?x, Int64?expectedValue)
{
_Int64 column = x;
var expr = ~column;
var dbExpr = (DbUnaryExpression)expr.DbExpression;
dbExpr.Verify(DbUnaryExpressionKind.OnesComplement, column);
expr.VerifyEval(expectedValue);
}
private void TestNegate(Int64?x, Int64?expectedValue)
{
_Int64 column = x;
var expr = -column;
var dbExpr = (DbUnaryExpression)expr.DbExpression;
dbExpr.Verify(DbUnaryExpressionKind.Negate, column);
expr.VerifyEval(expectedValue);
}
private void TestCastToString(Int64?x, String expectedValue)
{
_Int64 column1 = x;
_String expr = (_String)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(Int64?), typeof(String));
expr.VerifyEval(expectedValue);
}
private void TestFromString(String x, Int64?expectedValue)
{
_String column1 = x;
_Int64 expr = (_Int64)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(String), typeof(Int64?));
expr.VerifyEval(expectedValue);
}
private void TestFromDouble(Double?x, Int64?expectedValue)
{
_Double column1 = x;
_Int64 expr = (_Int64)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(Double?), typeof(Int64?));
expr.VerifyEval(expectedValue);
}
private void TestFromByte(byte?x, Int64?expectedValue)
{
_Byte column1 = x;
_Int64 expr = column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(byte?), typeof(Int64?));
expr.VerifyEval(expectedValue);
}
private void TestAdd(Int64?x, Int64?y, Int64?expectedValue)
{
_Int64 column1 = x;
_Int64 column2 = y;
var expr = column1 + column2;
var dbExpr = (DbBinaryExpression)expr.DbExpression;
dbExpr.Verify(BinaryExpressionKind.Add, column1, column2);
expr.VerifyEval(expectedValue);
}
private void TestNotEqual(Int64?x, Int64?y, bool?expectedValue)
{
_Int64 column1 = x;
_Int64 column2 = y;
var expr = column1 != column2;
var dbExpr = (DbBinaryExpression)expr.DbExpression;
dbExpr.Verify(BinaryExpressionKind.NotEqual, column1, column2);
expr.VerifyEval(expectedValue);
}
private void TestGreaterThan(Int64?x, Int64?y, bool?expectedValue)
{
_Int64 column1 = x;
_Int64 column2 = y;
var expr = column1 > column2;
var dbExpr = (DbBinaryExpression)expr.DbExpression;
dbExpr.Verify(BinaryExpressionKind.GreaterThan, column1, column2);
expr.VerifyEval(expectedValue);
}
private void TestConst(Int64?x)
{
_Int64 column = _Int64.Const(x);
column.VerifyConst(x);
}
private void TestImplicit(Int64?x)
{
_Int64 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 _Int64 Param(Int64?x, _Int64 sourceColumn = null)
{
return(new ParamExpression <Int64?>(x, sourceColumn).MakeColumn <_Int64>());
}
