Merge pull request #124 from brentp/isempty

fix bitarray/IsEmpty()

Author: alexandercampbell-wk

bitarray/bitarray.go

@@ -233,7 +233,7 @@ func (ba *bitArray) Blocks() Iterator {
 }
 
 func (ba *bitArray) IsEmpty() bool {
-	return ba.anyset
+	return !ba.anyset
 }
 
 // complement flips all bits in this array.

bitarray/bitarray_test.go

@@ -134,6 +134,14 @@ func TestOutOfBounds(t *testing.T) {
 	}
 }
 
+func TestIsEmpty(t *testing.T) {
+	ba := newBitArray(10)
+	assert.True(t, ba.IsEmpty())
+
+	ba.SetBit(5)
+	assert.False(t, ba.IsEmpty())
+}
+
 func TestClear(t *testing.T) {
 	ba := newBitArray(10)