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using System;
using System.Collections.Generic;
using System.Linq;
using Machine.Specifications;
namespace specs
{
static public class Assertions
{
static public void should_be_equal_to<T>(this T item_to_validate, T expected_value)
{
item_to_validate.ShouldEqual(expected_value);
}
static public void should_be_the_same_instance_as<T>(this T left, T right)
{
ReferenceEquals(left, right).ShouldBeTrue();
}
static public void should_be_null<T>(this T item)
{
item.ShouldBeNull();
}
static public void should_not_be_null<T>(this T item) where T : class
{
item.ShouldNotBeNull();
}
static public void should_be_greater_than<T>(this T actual, T expected) where T : IComparable
{
actual.ShouldBeGreaterThan(expected);
}
static public void should_be_less_than(this int actual, int expected)
{
actual.ShouldBeLessThan(expected);
}
static public void should_contain<T>(this IEnumerable<T> items_to_peek_in_to, T items_to_look_for)
{
items_to_peek_in_to.Contains(items_to_look_for).should_be_true();
}
static public void should_not_contain<T>(this IEnumerable<T> items_to_peek_into, T item_to_look_for)
{
items_to_peek_into.Contains(item_to_look_for).should_be_false();
}
//static public void should_be_an_instance_of<T>(this object item)
//{
//item.should_be_an_instance_of(typeof (T));
//}
//static public void should_be_an_instance_of(this object item, Type type)
//{
//item.ShouldBe(type);
//}
static public void should_have_thrown<TheException>(this Action action) where TheException : Exception
{
typeof (TheException).ShouldBeThrownBy(action);
}
static public void should_be_true(this bool item)
{
item.ShouldBeTrue();
}
static public void should_be_false(this bool item)
{
item.ShouldBeFalse();
}
static public void should_contain<T>(this IEnumerable<T> items, params T[] items_to_find)
{
foreach (var item_to_find in items_to_find)
{
items.should_contain(item_to_find);
}
}
static public void should_only_contain<T>(this IEnumerable<T> items, params T[] itemsToFind)
{
items.Count().should_be_equal_to(itemsToFind.Length);
items.should_contain(itemsToFind);
}
static public void should_be_equal_ignoring_case(this string item, string other)
{
item.ShouldBeEqualIgnoringCase(other);
}
}
}
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