Forgetten int8_t type support for vector data output (#1136)

Co-authored-by: Ozan Cansel <[email protected]>

Author: cngzhnp

hazelcast/include/hazelcast/client/serialization/pimpl/data_output.h

@@ -138,6 +138,7 @@ class HAZELCAST_API data_output
     typename std::enable_if<std::is_same<std::vector<byte>, T>::value ||
                               std::is_same<std::vector<char>, T>::value ||
                               std::is_same<std::vector<bool>, T>::value ||
+                              std::is_same<std::vector<int8_t>, T>::value ||
                               std::is_same<std::vector<int16_t>, T>::value ||
                               std::is_same<std::vector<int32_t>, T>::value ||
                               std::is_same<std::vector<int64_t>, T>::value ||
@@ -349,6 +350,7 @@ template<typename T>
 typename std::enable_if<std::is_same<std::vector<byte>, T>::value ||
                           std::is_same<std::vector<char>, T>::value ||
                           std::is_same<std::vector<bool>, T>::value ||
+                          std::is_same<std::vector<int8_t>, T>::value ||
                           std::is_same<std::vector<int16_t>, T>::value ||
                           std::is_same<std::vector<int32_t>, T>::value ||
                           std::is_same<std::vector<int64_t>, T>::value ||

hazelcast/test/src/HazelcastTests1.cpp

@@ -3675,6 +3675,24 @@ TEST_F(DataOutputTest, testWriteChar_16_LittleEndian)
     ASSERT_EQ(std::vector<byte>({ 0xAC, 0x20 }), dataOutput.to_byte_array());
 }
 
+TEST_F(DataOutputTest, testWriteInt8)
+{
+    std::vector<byte> bytes{ 0x34, 0x12 };
+    serialization::pimpl::data_output dataOutput(boost::endian::order::big);
+    dataOutput.write<int8_t>(0x34);
+    dataOutput.write<int8_t>(0x12);
+    ASSERT_EQ(bytes, dataOutput.to_byte_array());
+}
+
+TEST_F(DataOutputTest, testWriteInt8_LittleEndian)
+{
+    std::vector<byte> bytes{ 0x1A, 0x5F };
+    serialization::pimpl::data_output dataOutput(boost::endian::order::little);
+    dataOutput.write<int8_t>(0x1A);
+    dataOutput.write<int8_t>(0x5F);
+    ASSERT_EQ(bytes, dataOutput.to_byte_array());
+}
+
 TEST_F(DataOutputTest, testWriteShort)
 {
     std::vector<byte> bytes{ 0x12, 0x34 };