Update tests to use noncontiguous API

PiperOrigin-RevId: 696179419

csharp/src/Google.Protobuf/Reflection/FeatureSetDescriptor.g.cs

@@ -1,17 +0,0 @@
-#region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-//
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file or at
-// https://developers.google.com/open-source/licenses/bsd
-#endregion
-
-namespace Google.Protobuf.Reflection;
-
-internal sealed partial class FeatureSetDescriptor
-{
-    // Canonical serialized form of the edition defaults, generated by embed_edition_defaults.
-    private const string DefaultsBase64 =
-        "ChMYhAciACoMCAEQAhgCIAMoATACChMY5wciACoMCAIQARgBIAIoATABChMY6AciDAgBEAEYASACKAEwASoAIOYHKOgH";
-}

upb/message/copy_test.cc

@@ -326,12 +326,13 @@ TEST(GeneratedCode, DeepCloneMessageWithUnknowns) {
   upb_Arena_Free(unknown_arena);
   upb_Arena_Free(encode_arena);
   // Read unknown data from clone and verify.
-  size_t cloned_length;
-  const char* cloned_unknown_data =
-      upb_Message_GetUnknown(UPB_UPCAST(clone), &cloned_length);
-  EXPECT_EQ(cloned_length, len);
-  EXPECT_EQ(memcmp(cloned_unknown_data, unknown_data.c_str(), cloned_length),
-            0);
+  std::string cloned_unknown_data;
+  upb_StringView unknown;
+  uintptr_t iter = kUpb_Message_UnknownBegin;
+  while (upb_Message_NextUnknown(UPB_UPCAST(clone), &unknown, &iter)) {
+    cloned_unknown_data.append(unknown.data, unknown.size);
+  }
+  EXPECT_EQ(unknown_data, cloned_unknown_data);
   upb_Arena_Free(clone_arena);
 }
 

upb/message/promote_test.cc

@@ -48,6 +48,16 @@
 
 namespace {
 
+size_t GetUnknownLength(const upb_Message* msg) {
+  size_t len = 0;
+  upb_StringView data;
+  uintptr_t iter = kUpb_Message_UnknownBegin;
+  while (upb_Message_NextUnknown(msg, &data, &iter)) {
+    len += data.size;
+  }
+  return len;
+}
+
 TEST(GeneratedCode, FindUnknown) {
   upb_Arena* arena = upb_Arena_New();
   upb_test_ModelWithExtensions* msg = upb_test_ModelWithExtensions_new(arena);
@@ -182,8 +192,7 @@ TEST(GeneratedCode, Extensions) {
                                                 arena);
 
   // Get unknown extension bytes before promotion.
-  size_t start_len;
-  upb_Message_GetUnknown(UPB_UPCAST(base_msg), &start_len);
+  size_t start_len = GetUnknownLength(UPB_UPCAST(base_msg));
   EXPECT_GT(start_len, 0);
   EXPECT_EQ(0, upb_Message_ExtensionCount(UPB_UPCAST(base_msg)));
 
@@ -236,8 +245,7 @@ TEST(GeneratedCode, Extensions) {
   EXPECT_EQ(kUpb_GetExtension_Ok, promote_status);
   EXPECT_EQ(9, upb_test_ModelExtension2_i(ext2));
 
-  size_t end_len;
-  upb_Message_GetUnknown(UPB_UPCAST(base_msg), &end_len);
+  size_t end_len = GetUnknownLength(UPB_UPCAST(base_msg));
   EXPECT_LT(end_len, start_len);
   EXPECT_EQ(6, upb_Message_ExtensionCount(UPB_UPCAST(base_msg)));