public void GetIfNullExpressionTest()
{
MSSQLDataService ds = CreateMSSQLDataServiceForTests();
string exp = ds.GetIfNullExpression("identifier1", "identifier2");
Assert.Equal("ISNULL(identifier1, identifier2)", exp);
exp = ds.GetIfNullExpression("identifier3", "identifier4", "identifier5");
Assert.Equal("ISNULL(identifier3, ISNULL(identifier4, identifier5))", exp);
exp = ds.GetIfNullExpression("identifier6");
Assert.Equal("identifier6", exp);
exp = ds.GetIfNullExpression(string.Empty);
Assert.Equal(string.Empty, exp);
}
public void GetIfNullExpressionEmptyArrayTest()
{
var exception = Xunit.Record.Exception(() =>
{
MSSQLDataService ds = CreateMSSQLDataServiceForTests();
ds.GetIfNullExpression(new string[] { });
});
Assert.IsType(typeof(ArgumentException), exception);
}
public void GetIfNullExpressionNullTest()
{
var exception = Xunit.Record.Exception(() =>
{
MSSQLDataService ds = CreateMSSQLDataServiceForTests();
ds.GetIfNullExpression(null);
});
Assert.IsType(typeof(ArgumentNullException), exception);
}
