public void GetHashCode_NullValue_ReturnsZero()
{
var expected = 0;
var actual = Evaluate.GetHashCode(default(FakeTestItem));
Assert.AreEqual(expected, actual);
}
public void GenerateHashCode_WithParamsArray_MatchesExpected()
{
var values = new object[] { DateTime.Today, 2342, "asdsdfa2342345" };
var expected = values.Aggregate(0, (i, o) => (i * 397) + Evaluate.GetHashCode(o));
var actual = Evaluate.GenerateHashCode(values);
Assert.AreEqual(expected, actual);
}
public void GenerateHashCode_WithObjectEnumerable_MatchesExpected()
{
IEnumerable <object> values = Array.Empty <object>();
var expected = values.Aggregate(0, (i, o) => (i * 397) + Evaluate.GetHashCode(o));
var actual = Evaluate.GenerateHashCode(values);
Assert.AreEqual(expected, actual);
}
public void GetHashCode_TestObject_ReturnsHashCode()
{
var value = new FakeTestItem {
TestInt = 23252, TestString = "SomeString"
};
var expected = value.GetHashCode();
var actual = Evaluate.GetHashCode(value);
Assert.AreEqual(expected, actual);
}
public void GenerateHashCode_WithSelectors_MatchesExpected()
{
var item = new FakeTestItem {
TestDateTime = DateTime.Today, TestInt = 2342, TestString = "asdsdfa2342345"
};
IEnumerable <Func <FakeTestItem, object> > selectors = new Func <FakeTestItem, object>[]
{
dest => dest.TestDateTime,
dest => dest.TestInt,
dest => dest.TestString
};
var expected = new object[] { item.TestDateTime, item.TestInt, item.TestString }.Aggregate(
0, (i, o) => (i * 397) + Evaluate.GetHashCode(o));
var actual = Evaluate.GenerateHashCode(item, selectors);
Assert.AreEqual(expected, actual);
}
