GH-48151: [C++][Parquet] Fix arrow-ipc-message-internal-test failure

Author: Vishwanatha-HD

cpp/src/arrow/ipc/message_internal_test.cc

@@ -41,41 +41,45 @@ using FBB = flatbuffers::FlatBufferBuilder;
 TEST(TestMessageInternal, TestByteIdentical) {
   DictionaryFieldMapper mapper;
 
-  // Create a simple Schema with just two metadata KVPs
-  auto f0 = field("f0", int64());
-  auto f1 = field("f1", int64());
-  std::vector<std::shared_ptr<Field>> fields = {f0, f1};
-  std::shared_ptr<KeyValueMetadata> metadata =
-      KeyValueMetadata::Make({"key_1", "key_2"}, {"key_1_value", "key_2_value"});
-  auto schema = ::arrow::schema({f0}, metadata);
+  for (const auto endianness : {Endianness::Little}) {
+    // Create a simple Schema with just two metadata KVPs
+    auto f0 = field("f0", int64());
+    auto f1 = field("f1", int64());
+    std::vector<std::shared_ptr<Field>> fields = {f0, f1};
+    std::shared_ptr<KeyValueMetadata> metadata =
+        KeyValueMetadata::Make({"key_1", "key_2"}, {"key_1_value", "key_2_value"});
+    auto schema = ::arrow::schema({f0}, endianness, metadata);
 
-  // Serialize the Schema to a Buffer
-  std::shared_ptr<Buffer> out_buffer;
-  ASSERT_OK(
-      WriteSchemaMessage(*schema, mapper, IpcWriteOptions::Defaults(), &out_buffer));
+    // Serialize the Schema to a Buffer
+    std::shared_ptr<Buffer> out_buffer;
+    ASSERT_OK(
+        WriteSchemaMessage(*schema, mapper, IpcWriteOptions::Defaults(), &out_buffer));
+
+    // This is example output from macOS+ARM+LLVM
+    const uint8_t expected[] = {
+        0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x0E, 0x00, 0x06, 0x00, 0x05,
+        0x00, 0x08, 0x00, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x10, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x04, 0x00, 0x08,
+        0x00, 0x0A, 0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
+        0x02, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xD8,
+        0xFF, 0xFF, 0xFF, 0x18, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0B, 0x00,
+        0x00, 0x00, 0x6B, 0x65, 0x79, 0x5F, 0x32, 0x5F, 0x76, 0x61, 0x6C, 0x75, 0x65,
+        0x00, 0x05, 0x00, 0x00, 0x00, 0x6B, 0x65, 0x79, 0x5F, 0x32, 0x00, 0x00, 0x00,
+        0x08, 0x00, 0x0C, 0x00, 0x04, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00, 0x00, 0x18,
+        0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x6B, 0x65,
+        0x79, 0x5F, 0x31, 0x5F, 0x76, 0x61, 0x6C, 0x75, 0x65, 0x00, 0x05, 0x00, 0x00,
+        0x00, 0x6B, 0x65, 0x79, 0x5F, 0x31, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+        0x14, 0x00, 0x00, 0x00, 0x10, 0x00, 0x14, 0x00, 0x08, 0x00, 0x06, 0x00, 0x07,
+        0x00, 0x0C, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x01, 0x02, 0x10, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x66, 0x30, 0x00, 0x00,
+        0x08, 0x00, 0x0C, 0x00, 0x08, 0x00, 0x07, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x00};
 
-  // This is example output from macOS+ARM+LLVM
-  const uint8_t expected[] = {
-      0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x0E, 0x00, 0x06, 0x00, 0x05, 0x00,
-      0x08, 0x00, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x10, 0x00, 0x00, 0x00,
-      0x00, 0x00, 0x0A, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0x0A, 0x00,
-      0x00, 0x00, 0x6C, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
-      0x38, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xD8, 0xFF, 0xFF, 0xFF, 0x18, 0x00,
-      0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x6B, 0x65, 0x79, 0x5F,
-      0x32, 0x5F, 0x76, 0x61, 0x6C, 0x75, 0x65, 0x00, 0x05, 0x00, 0x00, 0x00, 0x6B, 0x65,
-      0x79, 0x5F, 0x32, 0x00, 0x00, 0x00, 0x08, 0x00, 0x0C, 0x00, 0x04, 0x00, 0x08, 0x00,
-      0x08, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0B, 0x00,
-      0x00, 0x00, 0x6B, 0x65, 0x79, 0x5F, 0x31, 0x5F, 0x76, 0x61, 0x6C, 0x75, 0x65, 0x00,
-      0x05, 0x00, 0x00, 0x00, 0x6B, 0x65, 0x79, 0x5F, 0x31, 0x00, 0x00, 0x00, 0x01, 0x00,
-      0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x10, 0x00, 0x14, 0x00, 0x08, 0x00, 0x06, 0x00,
-      0x07, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
-      0x01, 0x02, 0x10, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
-      0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x66, 0x30, 0x00, 0x00, 0x08, 0x00,
-      0x0C, 0x00, 0x08, 0x00, 0x07, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
-      0x40, 0x00, 0x00, 0x00};
-  Buffer expected_buffer(expected, sizeof(expected));
+    Buffer expected_buffer(expected, sizeof(expected));
 
-  AssertBufferEqual(expected_buffer, *out_buffer);
+    AssertBufferEqual(expected_buffer, *out_buffer);
+  }
 }
 
 TEST(TestMessageInternal, TestEndiannessRoundtrip) {