1/*=============================================================================
2 Copyright (c) 2001-2015 Joel de Guzman
3 Copyright (c) 2001-2011 Hartmut Kaiser
4 Copyright (c) 2011 Bryce Lelbach
5
6 Use, modification and distribution is subject to the Boost Software
7 License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
8 http://www.boost.org/LICENSE_1_0.txt)
9=============================================================================*/
10
11#include "real.hpp"
12
13int
14main()
15{
16 using spirit_test::test;
17 using spirit_test::test_attr;
18
19 ///////////////////////////////////////////////////////////////////////////
20 // thousand separated numbers
21 ///////////////////////////////////////////////////////////////////////////
22 {
23 using boost::spirit::x3::uint_parser;
24 using boost::spirit::x3::parse;
25
26 uint_parser<unsigned, 10, 1, 3> uint3;
27 uint_parser<unsigned, 10, 3, 3> uint3_3;
28
29 #define r (uint3 >> *(',' >> uint3_3))
30
31 BOOST_TEST(test("1,234,567,890", r));
32 BOOST_TEST(test("12,345,678,900", r));
33 BOOST_TEST(test("123,456,789,000", r));
34 BOOST_TEST(!test("1000,234,567,890", r));
35 BOOST_TEST(!test("1,234,56,890", r));
36 BOOST_TEST(!test("1,66", r));
37 }
38
39 ///////////////////////////////////////////////////////////////////////////
40 // unsigned real number tests
41 ///////////////////////////////////////////////////////////////////////////
42 {
43 using boost::spirit::x3::real_parser;
44 using boost::spirit::x3::parse;
45 using boost::spirit::x3::ureal_policies;
46
47 constexpr real_parser<double, ureal_policies<double> > udouble;
48 double d;
49
50 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(udouble);
51
52 BOOST_TEST(test("1234", udouble));
53 BOOST_TEST(test_attr("1234", udouble, d) && compare(d, 1234));
54
55 BOOST_TEST(test("1.2e3", udouble));
56 BOOST_TEST(test_attr("1.2e3", udouble, d) && compare(d, 1.2e3));
57
58 BOOST_TEST(test("1.2e-3", udouble));
59 BOOST_TEST(test_attr("1.2e-3", udouble, d) && compare(d, 1.2e-3));
60
61 BOOST_TEST(test("1.e2", udouble));
62 BOOST_TEST(test_attr("1.e2", udouble, d) && compare(d, 1.e2));
63
64 BOOST_TEST(test("1.", udouble));
65 BOOST_TEST(test_attr("1.", udouble, d) && compare(d, 1.));
66
67 BOOST_TEST(test(".2e3", udouble));
68 BOOST_TEST(test_attr(".2e3", udouble, d) && compare(d, .2e3));
69
70 BOOST_TEST(test("2e3", udouble));
71 BOOST_TEST(test_attr("2e3", udouble, d) && compare(d, 2e3));
72
73 BOOST_TEST(test("2", udouble));
74 BOOST_TEST(test_attr("2", udouble, d) && compare(d, 2));
75
76 BOOST_TEST(test("inf", udouble));
77 BOOST_TEST(test("infinity", udouble));
78 BOOST_TEST(test("INF", udouble));
79 BOOST_TEST(test("INFINITY", udouble));
80
81 BOOST_TEST(test_attr("inf", udouble, d)
82 && std::isinf(d));
83 BOOST_TEST(test_attr("INF", udouble, d)
84 && std::isinf(d));
85 BOOST_TEST(test_attr("infinity", udouble, d)
86 && std::isinf(d));
87 BOOST_TEST(test_attr("INFINITY", udouble, d)
88 && std::isinf(d));
89
90 BOOST_TEST(test("nan", udouble));
91 BOOST_TEST(test_attr("nan", udouble, d)
92 && std::isnan(d));
93 BOOST_TEST(test("NAN", udouble));
94 BOOST_TEST(test_attr("NAN", udouble, d)
95 && std::isnan(d));
96 BOOST_TEST(test("nan(...)", udouble));
97 BOOST_TEST(test_attr("nan(...)", udouble, d)
98 && std::isnan(d));
99 BOOST_TEST(test("NAN(...)", udouble));
100 BOOST_TEST(test_attr("NAN(...)", udouble, d)
101 && std::isnan(d));
102
103 BOOST_TEST(!test("e3", udouble));
104 BOOST_TEST(!test_attr("e3", udouble, d));
105
106 BOOST_TEST(!test("-1.2e3", udouble));
107 BOOST_TEST(!test_attr("-1.2e3", udouble, d));
108
109 BOOST_TEST(!test("+1.2e3", udouble));
110 BOOST_TEST(!test_attr("+1.2e3", udouble, d));
111
112 BOOST_TEST(!test("1.2e", udouble));
113 BOOST_TEST(!test_attr("1.2e", udouble, d));
114
115 BOOST_TEST(!test("-.3", udouble));
116 BOOST_TEST(!test_attr("-.3", udouble, d));
117 }
118
119 return boost::report_errors();
120}
121

source code of boost/libs/spirit/test/x3/real1.cpp