test(mathx,stringx): add missing edge case tests for CalcEntropy and … (#5471)

2026-05-10 16:30:01 +08:00 · 2026-03-22 08:54:02 +05:30
parent 85d770d340
commit c12c82b2f6
2 changed files with 41 additions and 0 deletions
--- a/core/mathx/entropy_test.go
+++ b/core/mathx/entropy_test.go
@@ -29,3 +29,10 @@ func TestCalcDiffEntropy(t *testing.T) {
 	}
 	assert.True(t, CalcEntropy(m) < .99)
 }
+
+func TestCalcEntropySingleItem(t *testing.T) {
+	m := map[any]int{
+		"only": 42,
+	}
+	assert.Equal(t, float64(1), CalcEntropy(m))
+}