public void OnlyScheduleableUsingNONPreemption()
{
var taskSet = new List <Task>
{
new Task {
ExecutionTime = 20, Period = 70, Deadline = 55, StaticPriority = 3, Id = "A"
},
new Task {
ExecutionTime = 20, Period = 80, Deadline = 80, StaticPriority = 2, Id = "B"
},
new Task {
ExecutionTime = 35, Period = 200, Deadline = 100, StaticPriority = 1, Id = "C"
},
};
//preemptive scheduling - reset dynamic priorities
taskSet.ForEach(o => o.DynamicPriority = o.StaticPriority);
var scheduleableUsingPreemption = ResponseTimeAnalysis.FeasibilityUsingResponseTimeAnalysis(taskSet);
Assert.False(scheduleableUsingPreemption);
//non-preemptive scheduling
taskSet.ForEach(o => o.DynamicPriority = taskSet.Max(x => x.StaticPriority));
var scheduleableUsingNonPreemption = ResponseTimeAnalysis.FeasibilityUsingResponseTimeAnalysis(taskSet);
Assert.True(scheduleableUsingNonPreemption);
var resultFile = Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "nonpreempt.txt");
TaskFileReader.CreateTaskFile(taskSet, resultFile);
}
public void TaskFileReader1()
{
var fileName = Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "Task1Import.txt");
var resultReadInDto = TaskFileReader.ReadInTasksFromFile(fileName);
var taskSet = resultReadInDto.tasks;
Assert.Equal(taskSet.Count, 3);
Assert.Equal(taskSet[0].ExecutionTime, 20);
Assert.Equal(taskSet[0].Period, 70);
Assert.Equal(taskSet[0].Deadline, 50);
Assert.Equal(taskSet[0].StaticPriority, 3);
Assert.Equal(taskSet[0].DynamicPriority, 3);
Assert.Equal(taskSet[1].ExecutionTime, 20);
Assert.Equal(taskSet[1].Period, 80);
Assert.Equal(taskSet[1].Deadline, 80);
Assert.Equal(taskSet[1].StaticPriority, 2);
Assert.Equal(taskSet[1].DynamicPriority, 3);
Assert.Equal(taskSet[2].ExecutionTime, 35);
Assert.Equal(taskSet[2].Period, 200);
Assert.Equal(taskSet[2].Deadline, 100);
Assert.Equal(taskSet[2].StaticPriority, 1);
Assert.Equal(taskSet[2].DynamicPriority, 2);
var isScheduable = ResponseTimeAnalysis.FeasibilityUsingResponseTimeAnalysis(taskSet);
var exist = ResponseTimeAnalysis.DoesFeasibleScheduleExist(taskSet);
Assert.Equal(isScheduable, exist);
Assert.True(isScheduable);
}
public void PreemptionDeadline()
{
var fileName = Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "Task2Import.txt");
var resultReadInDto = TaskFileReader.ReadInTasksFromFile(fileName);
var taskSet = resultReadInDto.tasks;
ResponseTimeAnalysis.ChangeDynamicPrioritiesToMeetDeadlines(taskSet);
var isScheduleable = ResponseTimeAnalysis.FeasibilityUsingResponseTimeAnalysis(taskSet);
var exist = ResponseTimeAnalysis.DoesFeasibleScheduleExist(taskSet);
Assert.Equal(isScheduleable, exist);
Assert.True(isScheduleable);
}