public void AddDefaultExpression_adds_operation()
{
var builder = new MigrationBuilder();
builder.AddDefaultExpression("dbo.MyTable", "Foo", "SqlExpression");
Assert.Equal(1, builder.Operations.Count);
Assert.IsType <AddDefaultConstraintOperation>(builder.Operations[0]);
var operation = (AddDefaultConstraintOperation)builder.Operations[0];
Assert.Equal("dbo.MyTable", operation.TableName);
Assert.Equal("Foo", operation.ColumnName);
Assert.Null(operation.DefaultValue);
Assert.Equal("SqlExpression", operation.DefaultSql);
}
