public void Sort_Sorts_Unsorted_Array_Of_Custom_Comparable_Objects()
{
_algorithms.ForEach(alg =>
{
var source = new TestComparable[]
{
new TestComparable(6),
new TestComparable(2),
new TestComparable(9),
new TestComparable(4),
new TestComparable(1),
new TestComparable(8),
new TestComparable(5),
new TestComparable(3),
new TestComparable(7),
new TestComparable(0)
};
alg.Sort(source);
bool allElementsAtSortedIndexes = source.All(item => item.Number == Array.IndexOf(source, item));
Assert.IsTrue(allElementsAtSortedIndexes);
});
}
public void ComparableComparerTest()
{
var c = new ComparableComparer <TestComparable>();
var test0 = new TestComparable {
Value = 0
};
var test1 = new TestComparable {
Value = 100
};
var test2 = new TestComparable {
Value = 200
};
var test3 = new TestComparable {
Value = 1000
};
Assert.AreEqual(-1, c.Compare(test0, test1));
Assert.AreEqual(-1, c.Compare(test0, test2));
Assert.AreEqual(1, c.Compare(test3, test2));
}
public void EnumerableOrderedTest()
{
var test = new TestComparable[]
{
new TestComparable {
Value = 0
},
new TestComparable {
Value = -20
},
new TestComparable {
Value = 15
},
new TestComparable {
Value = 490
},
new TestComparable {
Value = 100
},
new TestComparable {
Value = -500
}
};
CollectionAssert.AreEqual(
new int[] { -500, -20, 0, 15, 100, 490 },
test.Ordered().Select(x => x.Value).ToArray()
);
var c = new ComparableComparer <TestComparable>();
CollectionAssert.AreEqual(
new int[] { 490, 100, 15, 0, -20, -500 },
test.Ordered(c.Reversed()).Select(x => x.Value).ToArray()
);
}
