Upstream montanaflynn/stats state of the touched files before e61f9a13db

quartile_test.go

@@ -41,18 +41,6 @@ func TestQuartile(t *testing.T) {
 	}
 }
 
-func TestQuartileSingleElement(t *testing.T) {
-	// A single element has no halves, so Quartile must error rather than
-	// return NaN with a nil error.
-	quartiles, err := stats.Quartile([]float64{1})
-	if err == nil {
-		t.Errorf("Single element slice should have returned an error")
-	}
-	if quartiles != (stats.Quartiles{}) {
-		t.Errorf("Errored result should be the zero Quartiles value, got %+v", quartiles)
-	}
-}
-
 func TestInterQuartileRange(t *testing.T) {
 	s1 := []float64{102, 104, 105, 107, 108, 109, 110, 112, 115, 116, 118}
 	iqr, _ := stats.InterQuartileRange(s1)
@@ -65,11 +53,6 @@ func TestInterQuartileRange(t *testing.T) {
 	if err == nil {
 		t.Errorf("Empty slice should have returned an error")
 	}
-
-	_, err = stats.InterQuartileRange([]float64{1})
-	if err == nil {
-		t.Errorf("Single element slice should have returned an error")
-	}
 }
 
 func TestMidhinge(t *testing.T) {
@@ -84,11 +67,6 @@ func TestMidhinge(t *testing.T) {
 	if err == nil {
 		t.Errorf("Empty slice should have returned an error")
 	}
-
-	_, err = stats.Midhinge([]float64{1})
-	if err == nil {
-		t.Errorf("Single element slice should have returned an error")
-	}
 }
 
 func TestTrimean(t *testing.T) {
@@ -103,9 +81,4 @@ func TestTrimean(t *testing.T) {
 	if err == nil {
 		t.Errorf("Empty slice should have returned an error")
 	}
-
-	_, err = stats.Trimean([]float64{1})
-	if err == nil {
-		t.Errorf("Single element slice should have returned an error")
-	}
 }