1 // Unit test for boost::lexical_cast.
2 //
3 // See http://www.boost.org for most recent version, including documentation.
4 //
5 // Copyright Antony Polukhin, 2012-2020.
6 //
7 // Distributed under the Boost
8 // Software License, Version 1.0. (See accompanying file
9 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
10
11 #include <boost/config.hpp>
12
13 #if defined(__INTEL_COMPILER)
14 #pragma warning(disable: 193 383 488 981 1418 1419)
15 #elif defined(BOOST_MSVC)
16 #pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
17 #endif
18
19 #include <boost/lexical_cast.hpp>
20 #include <boost/test/unit_test.hpp>
21
22 using namespace boost;
23
24 #if defined(BOOST_NO_STRINGSTREAM)
25 typedef std::strstream ss_t;
26 #else
27 typedef std::stringstream ss_t;
28 #endif
29
test_void_pointers_conversions()30 void test_void_pointers_conversions()
31 {
32 void *p_to_null = NULL;
33 const void *cp_to_data = "Some data";
34 char nonconst_data[5];
35 void *p_to_data = nonconst_data;
36 ss_t ss;
37
38 ss << p_to_null;
39 BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(p_to_null), ss.str());
40 ss.str(std::string());
41
42 ss << cp_to_data;
43 BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(cp_to_data), ss.str());
44 ss.str(std::string());
45
46 ss << p_to_data;
47 BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(p_to_data), ss.str());
48 ss.str(std::string());
49 }
50
51 struct incomplete_type;
52
test_incomplete_type_pointers_conversions()53 void test_incomplete_type_pointers_conversions()
54 {
55 incomplete_type *p_to_null = NULL;
56 const incomplete_type *cp_to_data = NULL;
57 char nonconst_data[5];
58 incomplete_type *p_to_data = reinterpret_cast<incomplete_type*>(nonconst_data);
59 ss_t ss;
60
61 ss << p_to_null;
62 BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(p_to_null), ss.str());
63 ss.str(std::string());
64
65 ss << cp_to_data;
66 BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(cp_to_data), ss.str());
67 ss.str(std::string());
68
69 ss << p_to_data;
70 BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(p_to_data), ss.str());
71 ss.str(std::string());
72 }
73
74 struct ble;
75 typedef struct ble *meh;
operator <<(std::ostream & o,meh)76 std::ostream& operator <<(std::ostream &o, meh) {
77 o << "yay";
78 return o;
79 }
80
test_inomplete_type_with_overloaded_ostream_op()81 void test_inomplete_type_with_overloaded_ostream_op() {
82 meh heh = NULL;
83 ss_t ss;
84 ss << heh;
85 BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(heh), ss.str());
86 }
87
init_unit_test_suite(int,char * [])88 unit_test::test_suite *init_unit_test_suite(int, char *[])
89 {
90 unit_test::test_suite *suite =
91 BOOST_TEST_SUITE("lexical_cast pinters test");
92 suite->add(BOOST_TEST_CASE(&test_void_pointers_conversions));
93 suite->add(BOOST_TEST_CASE(&test_incomplete_type_pointers_conversions));
94 suite->add(BOOST_TEST_CASE(&test_inomplete_type_with_overloaded_ostream_op));
95 return suite;
96 }
97