fix units symbol for bytes in stats printing and tests (#111)

CHANGELOG.md

@@ -1,6 +1,14 @@
 # Changelog
 
-## [[unpublished]](https://github.com/mlange-42/arche/compare/v0.4.0...main)
+## [[unpublished]](https://github.com/mlange-42/arche/compare/v0.4.1...main)
+
+Nothing
+
+## [[v0.4.1]](https://github.com/mlange-42/arche/compare/v0.4.0...v0.4.1)
+
+## Bugfixes
+
+* Fix units symbol for bytes from `b` to `B` in string formatting of world statistics (#111)
 
 ## Other
 

ecs/query_test.go

@@ -22,6 +22,7 @@ func TestQuery(t *testing.T) {
 	posID := ComponentID[position](&w)
 	rotID := ComponentID[rotation](&w)
 	velID := ComponentID[velocity](&w)
+	s0ID := ComponentID[testStruct0](&w)
 
 	e0 := w.NewEntity()
 	e1 := w.NewEntity()
@@ -94,4 +95,14 @@ func TestQuery(t *testing.T) {
 		cnt++
 	}
 	assert.Equal(t, 1, cnt)
+
+	filter = All(rotID, s0ID).Without()
+	q = w.Query(&filter)
+
+	cnt = 0
+	for q.Next() {
+		_ = q.Entity()
+		cnt++
+	}
+	assert.Equal(t, 0, cnt)
 }

ecs/stats/stats.go

@@ -55,7 +55,7 @@ func (s *WorldStats) String() string {
 	b := strings.Builder{}
 
 	fmt.Fprintf(
-		&b, "World -- Components: %d, Archetypes: %d, Memory: %.1f kb, Locked: %t\n",
+		&b, "World -- Components: %d, Archetypes: %d, Memory: %.1f kB, Locked: %t\n",
 		s.ComponentCount, len(s.Archetypes), float64(s.Memory)/1024.0, s.Locked,
 	)
 
@@ -83,7 +83,7 @@ func (s *ArchetypeStats) String() string {
 		typeNames[i] = tp.Name()
 	}
 	return fmt.Sprintf(
-		"Archetype -- Components: %2d, Entities: %6d, Capacity: %6d, Memory: %7.1f kb\n  Components: %s\n",
+		"Archetype -- Components: %2d, Entities: %6d, Capacity: %6d, Memory: %7.1f kB\n  Components: %s\n",
 		s.Components, s.Size, s.Capacity, float64(s.Memory)/1024.0, strings.Join(typeNames, ", "),
 	)
 }

ecs/world_test.go

@@ -576,10 +576,10 @@ func TestTypeSizes(t *testing.T) {
 
 func printTypeSize[T any]() {
 	tp := reflect.TypeOf((*T)(nil)).Elem()
-	fmt.Printf("%16s: %5db\n", tp.Name(), tp.Size())
+	fmt.Printf("%16s: %5d B\n", tp.Name(), tp.Size())
 }
 
 func printTypeSizeName[T any](name string) {
 	tp := reflect.TypeOf((*T)(nil)).Elem()
-	fmt.Printf("%16s: %5db\n", name, tp.Size())
+	fmt.Printf("%16s: %5d B\n", name, tp.Size())
 }