public void getSmallestRecord_ListContainsOnlyNullRecords_ComparerShouldThrowException()
{
var comparer = new MinRecordValueComparer();
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
Assert.Throws <Exception>(() => comparer.GetIndexOfSmallest());
}
public void getSmallestRecord_ListOnlyContainsRecordsFromEndedSeries_ShouldThrowException()
{
var comparer = new MinRecordValueComparer();
comparer.AddRecordToComparison(new Record(new double[] { 5 }), true);
comparer.AddRecordToComparison(new Record(new double[] { 4 }), true);
comparer.AddRecordToComparison(new Record(new double[] { 3 }), true);
comparer.AddRecordToComparison(new Record(new double[] { 2 }), true);
Assert.Throws <Exception>(() => comparer.GetIndexOfSmallest());
}
public void getSmallestRecord_ListContainsValuesFromEndedSeries_ComparerShouldIgnoreValuesFromEndedSeries()
{
var comparer = new MinRecordValueComparer();
comparer.AddRecordToComparison(new Record(new double[] { 5 }), false);
comparer.AddRecordToComparison(new Record(new double[] { 4 }), false);
comparer.AddRecordToComparison(new Record(new double[] { 3 }), false);
comparer.AddRecordToComparison(new Record(new double[] { 2 }), true);
var expectedIndex = 2;
var expectedSmallestRecord = new Record(new double[] { 3 });
Assert.AreEqual(expectedIndex, comparer.GetIndexOfSmallest());
Assert.AreEqual(expectedSmallestRecord, comparer.SmallestRecord);
}
public void getSmallestRecordAndIndex_ModifyingComparisonList()
{
IRecord expectedSmallestRecord = Record.Min;
var expectedIndex = 4;
var comparer = new MinRecordValueComparer();
comparer.AddRecordToComparison(new Record(new double[] { 5 }), false);
comparer.AddRecordToComparison(new Record(new double[] { 4 }), false);
comparer.AddRecordToComparison(new Record(new double[] { 3 }), false);
comparer.AddRecordToComparison(new Record(new double[] { 2 }), false);
var previousSmallestIndex = comparer.GetIndexOfSmallest();
var previousSmallest = comparer.SmallestRecord;
comparer.AddRecordToComparison(expectedSmallestRecord, false);
comparer.AddRecordToComparison(new Record(new double[] { 1 }), false);
var actualIndex = comparer.GetIndexOfSmallest();
var actualSmallestRecord = comparer.SmallestRecord;
Assert.AreNotEqual(previousSmallestIndex, actualIndex);
Assert.AreNotEqual(previousSmallest, actualSmallestRecord);
Assert.AreEqual(expectedIndex, actualIndex);
Assert.AreEqual(expectedSmallestRecord, actualSmallestRecord);
}
public void getSmallestRecordAndIndex_UsingParamsMethod()
{
IRecord expectedSmallestRecord = Record.Min;
var expectedIndex = 4;
var comparer = new MinRecordValueComparer();
var actualIndex = comparer.GetIndexOfSmallest(new IRecord[] {
new Record(new double[] { 5 }), new Record(new double[] { 4 }), new Record(new double[] { 3 }),
new Record(new double[] { 2 }), expectedSmallestRecord, new Record(new double[] { 1 })
},
new bool[] { false, false, false, false, false, false });
var actualSmallestRecord = comparer.SmallestRecord;
Assert.AreEqual(expectedIndex, actualIndex);
Assert.AreEqual(expectedSmallestRecord, actualSmallestRecord);
}
public void getSmallestRecordAndIndex_ListContainsNullRecords_NullRecordsShouldBeIgnored()
{
IRecord expectedSmallestRecord = new Record(new double[] { 10000 });
var expectedIndex = 4;
var comparer = new MinRecordValueComparer();
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(expectedSmallestRecord, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
var actualIndex = comparer.GetIndexOfSmallest();
var actualSmallestRecord = comparer.SmallestRecord;
Assert.AreEqual(expectedIndex, actualIndex);
Assert.AreEqual(expectedSmallestRecord, actualSmallestRecord);
}
public void getSmallestRecordAndIndex_ListContainsOnlyNullAndDummyRecords_FirstDummyRecordShouldBeSmallest()
{
var expectedSmallestRecord = Record.Dummy;
var expectedIndex = 2;
var comparer = new MinRecordValueComparer();
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(expectedSmallestRecord, false);
comparer.AddRecordToComparison(Record.Dummy, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
comparer.AddRecordToComparison(Record.Dummy, false);
comparer.AddRecordToComparison(Record.NullRecord, false);
var actualIndex = comparer.GetIndexOfSmallest();
var actualSmallestRecord = comparer.SmallestRecord;
Assert.AreEqual(expectedIndex, actualIndex);
Assert.AreEqual(expectedSmallestRecord, actualSmallestRecord);
}