initial

1 files changed, 30 insertions, 0 deletions

diff --git a/each_test.go b/each_test.go
new file mode 100644
index 0000000..f64e55b
--- /dev/null
+++ b/each_test.go
@@ -0,0 +1,30 @@
+package collection
+
+import (
+	"sync/atomic"
+	"testing"
+)
+
+func TestEachSync(t *testing.T) {
+	collection := []int{1, 2, 3, 4, 5, 6}
+	want := 21
+	sum := 0
+	EachSync(collection, func(v int, _ int) {
+		sum += v
+	})
+	if sum != want {
+		t.Errorf("Expected %d, got %d", want, sum)
+	}
+}
+
+func TestEach(t *testing.T) {
+	collection := []int{1, 2, 3, 4, 5, 6}
+	want := int64(21)
+	sum := int64(0)
+	Each(collection, func(v int, _ int) {
+		atomic.AddInt64(&sum, int64(v))
+	})
+	if sum != want {
+		t.Errorf("Expected %d, got %d", want, sum)
+	}
+}