test: Add test for array serialization

Author: TheCharlatan

src/test/serialize_tests.cpp

@@ -85,6 +85,8 @@ BOOST_AUTO_TEST_CASE(sizes)
     BOOST_CHECK_EQUAL(GetSerializeSize(int64_t(0), 0), 8U);
     BOOST_CHECK_EQUAL(GetSerializeSize(uint64_t(0), 0), 8U);
     BOOST_CHECK_EQUAL(GetSerializeSize(bool(0), 0), 1U);
+    BOOST_CHECK_EQUAL(GetSerializeSize(std::array<uint8_t, 1>{0}, 0), 1U);
+    BOOST_CHECK_EQUAL(GetSerializeSize(std::array<uint8_t, 2>{0, 0}, 0), 2U);
 }
 
 BOOST_AUTO_TEST_CASE(varints)
@@ -179,6 +181,16 @@ BOOST_AUTO_TEST_CASE(vector_bool)
     BOOST_CHECK((HashWriter{} << vec1).GetHash() == (HashWriter{} << vec2).GetHash());
 }
 
+BOOST_AUTO_TEST_CASE(array)
+{
+    std::array<uint8_t, 32> array1{1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1};
+    DataStream ds;
+    ds << array1;
+    std::array<uint8_t, 32> array2;
+    ds >> array2;
+    BOOST_CHECK(array1 == array2);
+}
+
 BOOST_AUTO_TEST_CASE(noncanonical)
 {
     // Write some non-canonical CompactSize encodings, and