Add data_test

2019-10-15 21:07:40 +03:00
parent 59097ada36
commit 51f095f019
2 changed files with 116 additions and 26 deletions
@@ -0,0 +1,95 @@
+// Copyright 2019 Peter Dimov
+//
+// Distributed under the Boost Software License, Version 1.0.
+// http://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/endian/arithmetic.hpp>
+#include <boost/endian/buffers.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <boost/cstdint.hpp>
+#include <cstddef>
+
+template<class U> void test()
+{
+    {
+        U u( 0 );
+
+        unsigned char * p1 = u.data();
+        void * p2 = &u;
+
+        BOOST_TEST_EQ( p1, p2 );
+    }
+
+    {
+        U const u( 0 );
+
+        unsigned char const * p1 = u.data();
+        void const * p2 = &u;
+
+        BOOST_TEST_EQ( p1, p2 );
+    }
+}
+
+template<class T, std::size_t Bits> void test_unaligned()
+{
+    using namespace boost::endian;
+
+    test< endian_buffer<order::big, T, Bits, align::no> >();
+    test< endian_buffer<order::little, T, Bits, align::no> >();
+    test< endian_buffer<order::native, T, Bits, align::no> >();
+
+    test< endian_arithmetic<order::big, T, Bits, align::no> >();
+    test< endian_arithmetic<order::little, T, Bits, align::no> >();
+    test< endian_arithmetic<order::native, T, Bits, align::no> >();
+}
+
+template<class T, std::size_t Bits> void test_aligned()
+{
+    using namespace boost::endian;
+
+    test< endian_buffer<order::big, T, Bits, align::yes> >();
+    test< endian_buffer<order::little, T, Bits, align::yes> >();
+
+    test< endian_arithmetic<order::big, T, Bits, align::yes> >();
+    test< endian_arithmetic<order::little, T, Bits, align::yes> >();
+}
+
+int main()
+{
+    test_unaligned<boost::int_least8_t, 8>();
+    test_unaligned<boost::int_least16_t, 16>();
+    test_unaligned<boost::int_least32_t, 24>();
+    test_unaligned<boost::int_least32_t, 32>();
+    test_unaligned<boost::int_least64_t, 40>();
+    test_unaligned<boost::int_least64_t, 48>();
+    test_unaligned<boost::int_least64_t, 56>();
+    test_unaligned<boost::int_least64_t, 64>();
+
+    test_unaligned<boost::uint_least8_t, 8>();
+    test_unaligned<boost::uint_least16_t, 16>();
+    test_unaligned<boost::uint_least32_t, 24>();
+    test_unaligned<boost::uint_least32_t, 32>();
+    test_unaligned<boost::uint_least64_t, 40>();
+    test_unaligned<boost::uint_least64_t, 48>();
+    test_unaligned<boost::uint_least64_t, 56>();
+    test_unaligned<boost::uint_least64_t, 64>();
+
+    test_unaligned<float, 32>();
+    test_unaligned<double, 64>();
+
+    test_aligned<boost::int8_t, 8>();
+    test_aligned<boost::int16_t, 16>();
+    test_aligned<boost::int32_t, 32>();
+    test_aligned<boost::int64_t, 64>();
+
+    test_aligned<boost::uint8_t, 8>();
+    test_aligned<boost::uint16_t, 16>();
+    test_aligned<boost::uint32_t, 32>();
+    test_aligned<boost::uint64_t, 64>();
+
+    test_aligned<float, 32>();
+    test_aligned<double, 64>();
+
+    return boost::report_errors();
+}