adding test

cosmos · Dec 4, 2020 · 44cbb08 · 44cbb08
1 parent 217d1a5
commit 44cbb08
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Showing 2 changed files with 5 additions and 0 deletions.
diff --git a/codec/codec_common_test.go b/codec/codec_common_test.go
@@ -17,6 +17,9 @@ type interfaceMarshaler struct {
 }
 
 func testInterfaceMarshaling(require *require.Assertions, cdc interfaceMarshaler, isAminoBin bool) {
+	_, err := cdc.marshal(nil)
+	require.Error(err, "can't marshal a nil value")
+
 	dog := &testdata.Dog{Name: "rufus"}
 	var dogI testdata.Animal = dog
 	bz, err := cdc.marshal(dogI)

diff --git a/codec/proto_codec_test.go b/codec/proto_codec_test.go
@@ -28,6 +28,8 @@ func TestProtoMarsharlInterface(t *testing.T) {
 	cdc := codec.NewProtoCodec(createTestInterfaceRegistry())
 	m := interfaceMarshaler{cdc.MarshalInterface, cdc.UnmarshalInterface}
 	testInterfaceMarshaling(require.New(t), m, false)
+	m = interfaceMarshaler{cdc.MarshalInterfaceJSON, cdc.UnmarshalInterfaceJSON}
+	testInterfaceMarshaling(require.New(t), m, false)
 }
 
 func TestProtoCodec(t *testing.T) {