1 files changed, 21 insertions, 0 deletions
diff --git a/src/errors/wrap_test.go b/src/errors/wrap_test.go
index ca9dc0f111..0a7bc5d16a 100644
--- a/src/errors/wrap_test.go
+++ b/src/errors/wrap_test.go
@@ -238,6 +238,27 @@ func TestAsValidation(t *testing.T) {
 	}
 }
 
+func BenchmarkIs(b *testing.B) {
+	err1 := errors.New("1")
+	err2 := multiErr{multiErr{multiErr{err1, errorT{"a"}}, errorT{"b"}}}
+
+	for i := 0; i < b.N; i++ {
+		if !errors.Is(err2, err1) {
+			b.Fatal("Is failed")
+		}
+	}
+}
+
+func BenchmarkAs(b *testing.B) {
+	err := multiErr{multiErr{multiErr{errors.New("a"), errorT{"a"}}, errorT{"b"}}}
+	for i := 0; i < b.N; i++ {
+		var target errorT
+		if !errors.As(err, &target) {
+			b.Fatal("As failed")
+		}
+	}
+}
+
 func TestUnwrap(t *testing.T) {
 	err1 := errors.New("1")
 	erra := wrapped{"wrap 2", err1}