v0.0.465

langext/array_test.go

@@ -2,6 +2,7 @@ package langext
 
 import (
 	"gogs.mikescher.com/BlackForestBytes/goext/tst"
+	"strings"
 	"testing"
 )
 
@@ -10,3 +11,13 @@ func TestJoinString(t *testing.T) {
 	res := JoinString(ids, ",")
 	tst.AssertEqual(t, res, "1,2,3")
 }
+
+func TestArrPrepend(t *testing.T) {
+	v1 := []string{"1", "2", "3"}
+
+	v2 := ArrPrepend(v1, "4", "5", "6")
+
+	tst.AssertEqual(t, strings.Join(v1, ""), "123")
+	tst.AssertEqual(t, strings.Join(v2, ""), "654123")
+
+}