public void SetUp()
{
_arrayAsc = new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
_arrayDesc = new int[] { 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 };
_sort = new BubbleSort <int>();
}
/// <summary>Main test method.</summary>
/// <param name="sort">Sort algorithm.</param>
/// <param name="maxLength">Max length of test collections.</param>
/// <param name="stable">Check if sorting is stable.</param>
protected void SortTest(SortBase <Item <int> > sort, int maxLength, bool stable)
{
// Random numbers sorting.
SortTest(sort, maxLength, stable, i => Randomizer.Next());
// Numbers in ascending order sorting.
SortTest(sort, maxLength, stable, i => i);
// Numbers in descending order sorting.
SortTest(sort, maxLength, stable, i => maxLength - i);
// Identical numbers sorting.
if (stable)
{
SortTest(sort, maxLength, true, i => 1000);
}
}
private void TestBase(SortBase s)
{
string[] a = new string[]
{
"bed", "bug", "dad", "yes", "zoo", "...", "all", "bad", "yet", "bug"
};
s.Sort(a);
if (!s.IsSorted(a))
{
Console.WriteLine("排序失败");
throw new Exception("排序失败");
}
s.Show(a);
}
/// <summary>Checks collection.</summary>
/// <param name="sort">Sort algorithm.</param>
/// <param name="maxLength">Max length of test collections.</param>
/// <param name="stable">Check if sorting is stable.</param>
/// <param name="value">Value generator.</param>
private void SortTest(SortBase <Item <int> > sort, int maxLength, bool stable, Func <int, int> value)
{
for (var length = 10; length < maxLength; length++)
{
var data = Enumerable.Range(0, length)
.Select(i => new Item <int>(value(i), i))
.ToArray();
sort.Sort(data);
if (stable)
{
Assert.True(IsStableSorted(data));
}
else
{
Assert.True(IsSorted(data));
}
}
}
private void AlternatingSortByField(List <HRMISModel.Employee> employees, HRMISModel.Employee.EmployeeSortField employeeSortField,
int columnNum, string columnTitle, SortOrderEnum defaultSortOrder)
{
SortOrderEnum sortOrder;
if (ViewState[employeeSortField.ToString()] != null)
{
sortOrder = ViewState[employeeSortField.ToString()].ToString() == SortOrderEnum.Descending.ToString()
? SortOrderEnum.Ascending
: SortOrderEnum.Descending;
}
else
{
sortOrder = defaultSortOrder.ToString() == SortOrderEnum.Descending.ToString()
? SortOrderEnum.Descending
: SortOrderEnum.Ascending;
}
if (sortOrder == SortOrderEnum.Descending)
{
//倒序
gvMonthAttendanceList.Columns[columnNum].HeaderText = columnTitle +
"<img src='../../image/down.gif' border='0'/>";
ViewState[employeeSortField.ToString()] = SortOrderEnum.Descending.ToString();
SortBase.InsertionSort(employees,
new EmployeeComparer(employeeSortField, SortOrderEnum.Descending).Compare);
}
else
{
//正序
gvMonthAttendanceList.Columns[columnNum].HeaderText = columnTitle +
"<img src='../../image/up.gif' border='0'/>";
ViewState[employeeSortField.ToString()] = SortOrderEnum.Ascending.ToString();
SortBase.InsertionSort(employees,
new EmployeeComparer(employeeSortField, SortOrderEnum.Ascending).Compare);
}
}
public void SetUp()
{
_sort = new BubbleSort <int>();
}
