diff options
Diffstat (limited to 'ms/ms_test.go')
| -rw-r--r-- | ms/ms_test.go | 80 |
1 files changed, 73 insertions, 7 deletions
diff --git a/ms/ms_test.go b/ms/ms_test.go index 6f1e807..988b647 100644 --- a/ms/ms_test.go +++ b/ms/ms_test.go @@ -8,7 +8,7 @@ import ( ) func Test_TooFewInstantsSequentialIncreasesLessThanAlwaysFalse(test *testing.T) { - series := NewMathematicalSeries[float64](500) + series := NewCappedMathematicalSeries[float64](500) series.AddElement(0.0) if islt, _ := series.AllSequentialIncreasesLessThan(6.0); islt { test.Fatalf("Too few instants should always yield false when asking if sequential increases are less than a value.") @@ -16,7 +16,7 @@ func Test_TooFewInstantsSequentialIncreasesLessThanAlwaysFalse(test *testing.T) } func Test_SequentialIncreasesAlwaysLessThan(test *testing.T) { - series := NewMathematicalSeries[float64](40) + series := NewCappedMathematicalSeries[float64](40) previous := float64(1.0) for _ = range utilities.Iota(1, 80) { previous *= 1.059 @@ -28,7 +28,7 @@ func Test_SequentialIncreasesAlwaysLessThan(test *testing.T) { } func Test_SequentialIncreasesAlwaysLessThanWithWraparound(test *testing.T) { - series := NewMathematicalSeries[float64](20) + series := NewCappedMathematicalSeries[float64](20) previous := float64(1.0) for range utilities.Iota(1, 20) { previous *= 1.15 @@ -48,7 +48,7 @@ func Test_SequentialIncreasesAlwaysLessThanWithWraparound(test *testing.T) { } func Test_SequentialIncreasesAlwaysLessThanWithWraparoundInverse(test *testing.T) { - series := NewMathematicalSeries[float64](20) + series := NewCappedMathematicalSeries[float64](20) previous := float64(1.0) for range utilities.Iota(1, 20) { previous *= 1.15 @@ -68,7 +68,7 @@ func Test_SequentialIncreasesAlwaysLessThanWithWraparoundInverse(test *testing.T } func Test_StandardDeviationCalculation(test *testing.T) { - series := NewMathematicalSeries[float64](5) + series := NewCappedMathematicalSeries[float64](5) // 5.7, 1.0, 8.6, 7.4, 2.2 series.AddElement(5.7) series.AddElement(1.0) @@ -84,7 +84,7 @@ func Test_StandardDeviationCalculation(test *testing.T) { } func Test_RotatingValues(test *testing.T) { - series := NewMathematicalSeries[int](5) + series := NewCappedMathematicalSeries[int](5) series.AddElement(1) series.AddElement(2) @@ -100,7 +100,7 @@ func Test_RotatingValues(test *testing.T) { } } func Test_Size(test *testing.T) { - series := NewMathematicalSeries[int](5) + series := NewCappedMathematicalSeries[int](5) series.AddElement(1) series.AddElement(2) @@ -115,3 +115,69 @@ func Test_Size(test *testing.T) { test.Fatalf("Series size calculations failed.") } } + +func Test_degenerate_percentile_too_high(test *testing.T) { + series := NewCappedMathematicalSeries[int](21) + if series.Percentile(101) != 0 { + test.Fatalf("Series percentile of 101 failed.") + } +} +func Test_degenerate_percentile_too_low(test *testing.T) { + series := NewCappedMathematicalSeries[int](21) + if series.Percentile(-1) != 0 { + test.Fatalf("Series percentile of -1 failed.") + } +} +func Test_90_percentile(test *testing.T) { + series := NewCappedMathematicalSeries[int](10) + series.AddElement(10) + series.AddElement(9) + series.AddElement(8) + series.AddElement(7) + series.AddElement(6) + series.AddElement(5) + series.AddElement(4) + series.AddElement(3) + series.AddElement(2) + series.AddElement(1) + + if series.Percentile(90) != 10 { + test.Fatalf("Series 90th percentile of 0 ... 10 failed: Expected 10 got %v.", series.Percentile(90)) + } +} + +func Test_90_percentile_reversed(test *testing.T) { + series := NewCappedMathematicalSeries[int64](10) + series.AddElement(1) + series.AddElement(2) + series.AddElement(3) + series.AddElement(4) + series.AddElement(5) + series.AddElement(6) + series.AddElement(7) + series.AddElement(8) + series.AddElement(9) + series.AddElement(10) + + if series.Percentile(90) != 10 { + test.Fatalf("Series 90th percentile of 0 ... 10 failed: Expected 10 got %v.", series.Percentile(90)) + } +} + +func Test_50_percentile_jumbled(test *testing.T) { + series := NewCappedMathematicalSeries[int64](10) + series.AddElement(7) + series.AddElement(2) + series.AddElement(15) + series.AddElement(27) + series.AddElement(5) + series.AddElement(52) + series.AddElement(18) + series.AddElement(23) + series.AddElement(11) + series.AddElement(12) + + if series.Percentile(50) != 15 { + test.Fatalf("Series 50 percentile of a jumble of numbers failed: Expected 15 got %v.", series.Percentile(50)) + } +} |