bytes versions test support

Author: Brat-vseznamus

Makefile

@@ -75,7 +75,7 @@ goldmaster_nocompile: build
 		--outdir=./$(GEN_PATH)/cases \
 		--pkgPath=github.com/vkcom/tl/$(GEN_PATH)/cases/tl \
 		--basicPkgPath=$(BASIC_TL_PATH) \
-		--generateByteVersions=cases_bytes \
+		--generateByteVersions=cases_bytes. \
 		--generateRandomCode \
 		--generateLegacyJsonRead=false \
 		--generateRPCCode=false \

internal/tlcodegen/test/codegen_test/casetests/json_read_test.go

@@ -27,6 +27,8 @@ type mappingSuccess struct {
 	goldenInput string
 	// json alternatives which map to goldenInput
 	alternatives []string
+	// wrong json alternatives
+	incorrectAlternatives []string
 }
 
 type mappingTest struct {
@@ -73,6 +75,23 @@ func runMappingTest(t *testing.T, mt mappingTest) {
 				return
 			}
 		}
+
+		for aId, alternative := range success.incorrectAlternatives {
+			t.Run(fmt.Sprintf("Object %d - Wrong alternative %d", sId, aId), func(t *testing.T) {
+				mt.object.FillRandom(rg)
+				readErr := mt.object.ReadJSON(false, &basictl.JsonLexer{Data: []byte(alternative)})
+
+				assert.Nil(t, readErr)
+				writeData, writeErr := mt.object.MarshalJSON()
+
+				assert.Nil(t, writeErr)
+				assert.NotEqual(t, success.goldenInput, string(writeData))
+			})
+
+			if t.Failed() {
+				return
+			}
+		}
 	}
 
 	for fId, failure := range mt.failures {
@@ -324,7 +343,7 @@ func TestDictionaryString(t *testing.T) {
 
 func TestDictionaryStringStringBytes(t *testing.T) {
 	test := mappingTest{
-		object: &tlcases_bytes.TestDictStringString{},
+		object: &tlcases_bytes.TestDictStringStringBytes{},
 		successes: []mappingSuccess{
 			{
 				goldenInput: `{}`,
@@ -334,10 +353,13 @@ func TestDictionaryStringStringBytes(t *testing.T) {
 			},
 			{
 				goldenInput: `{"dict":{"k1":"1","k2":"2"}}`,
-				alternatives: []string{
+				incorrectAlternatives: []string{
 					`{"dict":{"k2":"2","k1":"1"}}`,
 				},
 			},
+			{
+				goldenInput: `{"dict":{"k1":"1","k2":"2","k3":"3","k4":"4","k5":"5","k6":"6","k7":"7","k8":"8","k9":"9"}}`,
+			},
 		},
 		failures: []string{
 			`{"dict":{"k1":"1","k2":2}}`,
@@ -349,7 +371,7 @@ func TestDictionaryStringStringBytes(t *testing.T) {
 
 func TestDictionaryStringBytes(t *testing.T) {
 	test := mappingTest{
-		object: &tlcases_bytes.TestDictString{},
+		object: &tlcases_bytes.TestDictStringBytes{},
 		successes: []mappingSuccess{
 			{
 				goldenInput: `{}`,
@@ -359,7 +381,7 @@ func TestDictionaryStringBytes(t *testing.T) {
 			},
 			{
 				goldenInput: `{"dict":{"k1":1,"k2":2}}`,
-				alternatives: []string{
+				incorrectAlternatives: []string{
 					`{"dict":{"k2":2,"k1":1}}`,
 				},
 			},
@@ -396,7 +418,7 @@ func TestDictionaryInt(t *testing.T) {
 
 func TestDictionaryIntBytes(t *testing.T) {
 	test := mappingTest{
-		object: &tlcases_bytes.TestDictInt{},
+		object: &tlcases_bytes.TestDictIntBytes{},
 		successes: []mappingSuccess{
 			{
 				goldenInput: `{}`,