private void TestFromString(String x, TimeSpan? expectedValue)
{
_String column1 = x;
_TimeSpan expr = (_TimeSpan)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(String), typeof(TimeSpan?));
expr.VerifyEval(expectedValue);
}
private void TestCastToString(TimeSpan? x, String expectedValue)
{
_TimeSpan column1 = x;
_String expr = (_String)column1;
var dbExpr = (DbCastExpression)expr.DbExpression;
dbExpr.Verify(column1, typeof(TimeSpan?), typeof(String));
expr.VerifyEval(expectedValue);
}
private void TestLessThan(TimeSpan? x, TimeSpan? y, bool? expectedValue)
{
_TimeSpan column1 = x;
_TimeSpan column2 = y;
var expr = column1 < column2;
var dbExpr = (DbBinaryExpression)expr.DbExpression;
dbExpr.Verify(BinaryExpressionKind.LessThan, column1, column2);
expr.VerifyEval(expectedValue);
}
private void TestGreaterThanOrEqual(TimeSpan? x, TimeSpan? y, bool? expectedValue)
{
_TimeSpan column1 = x;
_TimeSpan column2 = y;
var expr = column1 >= column2;
var dbExpr = (DbBinaryExpression)expr.DbExpression;
dbExpr.Verify(BinaryExpressionKind.GreaterThanOrEqual, column1, column2);
expr.VerifyEval(expectedValue);
}
/// <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 _TimeSpan Param(TimeSpan?x, _TimeSpan sourceColumn = null)
{
return(new ParamExpression <TimeSpan?>(x, sourceColumn).MakeColumn <_TimeSpan>());
}
private void TestConst(TimeSpan? x)
{
_TimeSpan column = _TimeSpan.Const(x);
column.VerifyConst(x);
}
private void TestImplicit(TimeSpan? x)
{
_TimeSpan column = x;
column.VerifyParam(x);
}