Test unaligned access.

src/test/pegtl/CMakeLists.txt

@@ -199,6 +199,7 @@ set(test_sources
  uint32_general.cpp
  uint64_general.cpp
  uint8_general.cpp
+ unaligned_access.cpp
  utf16_general.cpp
  utf32_general.cpp
  utf8_general.cpp

src/test/pegtl/unaligned_access.cpp

@@ -0,0 +1,71 @@
+// Copyright (c) 2024 Dr. Colin Hirsch and Daniel Frey
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
+
+#include "test.hpp"
+
+#include <tao/pegtl/uint16.hpp>
+#include <tao/pegtl/uint32.hpp>
+#include <tao/pegtl/uint64.hpp>
+#include <tao/pegtl/uint8.hpp>
+
+namespace TAO_PEGTL_NAMESPACE
+{
+ void test16()
+ {
+ const char data[] = { 2, 2, 1, 2, 2 };
+ base_input<> in( data, sizeof( data ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint16::one< 0x0202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint16::one< 0x0202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( in.empty() );
+ }
+
+ void test32()
+ {
+ const char data[] = { 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2 };
+ base_input<> in( data, sizeof( data ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint32::one< 0x02020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint32::one< 0x02020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint32::one< 0x02020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint32::one< 0x02020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint32::one< 0x02020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( in.empty() );
+ }
+
+ void test64()
+ {
+ const char data[] = { 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2 };
+ base_input<> in( data, sizeof( data ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint64::one< 0x0202020202020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint64::one< 0x0202020202020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint64::one< 0x0202020202020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint64::one< 0x0202020202020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint64::one< 0x0202020202020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint64::one< 0x0202020202020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint64::one< 0x0202020202020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint8::one< 0x01 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( parse< uint64::one< 0x0202020202020202 > >( in ) );
+ TAO_PEGTL_TEST_ASSERT( in.empty() );
+ }
+
+ void unit_test()
+ {
+ test16();
+ test32();
+ test64();
+ }
+
+} // namespace TAO_PEGTL_NAMESPACE
+
+#include "main.hpp"