Merge pull request #13 from pmezard/add-option-to-sort-map-keys

config: add SortKeys option to sort native map keys before display

1 files changed, 9 insertions, 0 deletions

diff --git a/spew/format_test.go b/spew/format_test.go
index b151513..80c5ef9 100644
--- a/spew/format_test.go
+++ b/spew/format_test.go
@@ -1472,3 +1472,12 @@ func TestFormatter(t *testing.T) {
 		}
 	}
 }
+
+func TestPrintSortedKeys(t *testing.T) {
+	cfg := spew.ConfigState{SortKeys: true}
+	s := cfg.Sprint(map[int]string{1: "1", 3: "3", 2: "2"})
+	expected := "map[1:1 2:2 3:3]"
+	if s != expected {
+		t.Errorf("Sorted keys mismatch:\n  %v %v", s, expected)
+	}
+}