Add missing test definition.

PiperOrigin-RevId: 871318619

Author: sbenzaquen

src/google/protobuf/BUILD.bazel

@@ -2393,6 +2393,37 @@ cc_test(
     ],
 )
 
+cc_test(
+    name = "repeated_ptr_field_unittest",
+    srcs = [
+        "repeated_ptr_field_unittest.cc",
+    ],
+    copts = COPTS + select({
+        "//build_defs:config_msvc": [],
+        "//conditions:default": [
+            "-Wno-deprecated-declarations",
+        ],
+    }),
+    deps = [
+        ":arena",
+        ":cc_test_protos",
+        ":lite_test_util",
+        ":port",
+        ":protobuf",
+        ":protobuf_lite",
+        ":test_util",
+        "//src/google/protobuf/io",
+        "@abseil-cpp//absl/flags:flag",
+        "@abseil-cpp//absl/log:absl_check",
+        "@abseil-cpp//absl/numeric:bits",
+        "@abseil-cpp//absl/strings",
+        "@abseil-cpp//absl/types:optional",
+        "@abseil-cpp//absl/types:span",
+        "@googletest//:gtest",
+        "@googletest//:gtest_main",
+    ],
+)
+
 cc_test(
     name = "text_format_unittest",
     srcs = ["text_format_unittest.cc"],

src/google/protobuf/repeated_ptr_field_unittest.cc

@@ -897,12 +897,15 @@ TEST(RepeatedPtrFieldTest, SmallOptimization) {
   EXPECT_EQ(array->SpaceUsedExcludingSelf(), 0);
   std::string str;
   auto usage_before = arena.SpaceUsed();
+
+  using H = internal::GenericTypeHandler<std::string>;
+
   // We use UnsafeArenaAddAllocated just to grow the array without creating
   // objects or causing extra cleanup costs in the arena to make the
   // measurements simpler.
   array->UnsafeArenaAddAllocated(&str);
   // No backing array, just the string.
-  EXPECT_EQ(array->SpaceUsedExcludingSelf(), sizeof(str));
+  EXPECT_EQ(array->SpaceUsedExcludingSelf(), H::SpaceUsedLong(str));
   // We have not used any arena space.
   EXPECT_EQ(usage_before, arena.SpaceUsed());
   // Verify the string is where we think it is.
@@ -923,9 +926,9 @@ TEST(RepeatedPtrFieldTest, SmallOptimization) {
   // Backing array and the strings. sizeof(Rep) = 2 * sizeof(int) for capacity
   // and allocated_size. Each element of the Rep contributes sizeof(void*),
   // and each string contributes sizeof(str) to arena memory.
-  EXPECT_EQ(
-      array->SpaceUsedExcludingSelf(),
-      2 * sizeof(int) + array->Capacity() * sizeof(void*) + 2 * sizeof(str));
+  EXPECT_EQ(array->SpaceUsedExcludingSelf(),
+            2 * sizeof(int) + array->Capacity() * sizeof(void*) +
+                H::SpaceUsedLong(str) + H::SpaceUsedLong(str2));
   // We used some arena space now.
   EXPECT_LT(usage_before, arena.SpaceUsed());
   // And the pointer_begin is not in the sso anymore.