public void SortExpression_WithOneColumn_ReturnsTheSampleEnumerableBackwards()
{
var query = QueryTestHelper.FormTestData((x, i) => x.IntProp = i, 10);
var back = QueryTestHelper.FormTestData((x, i) => x.IntProp = i, 10).Reverse();
var sortexpr = new SortExpression<TestClass>(new string[] { "IntProp" }, true);
Assert.Equal(back.ToList()[0].IntProp, sortexpr.Map(query).ToList()[0].IntProp);
}
public void SortExpression_WithNullColumns_ReturnsSameNumberElemsAsQuery()
{
int number = 100;
var query = QueryTestHelper.FormTestData((x, i) => x.IntProp = i, number);
var sortexpr = new SortExpression<TestClass>(t => t.StringProp);
Assert.Equal(number, sortexpr.Map(query).Count());
}
public void SortExpression_WithTwoColumnsAscendingSort_ReturnsSameEnumerable()
{
var random = new Random();
var query = QueryTestHelper.FormTestData((x, i) =>
{
x.IntProp = random.Next(i);
x.CharProp = (char)random.Next((int)char.MinValue, (int)char.MaxValue);
}, 10);
var sorted = new List<TestClass>(query.ToArray()).OrderBy(x => x.IntProp).ThenBy(x => x.CharProp).ToList();
var sortexpr = new SortExpression<TestClass>(new string[] { "IntProp", "CharProp" });
var output = sortexpr.Map(query).ToList();
Assert.Equal(sorted[0].IntProp, output[0].IntProp);
Assert.Equal(sorted[0].CharProp, output[0].CharProp);
}