symbols2.cpp 5.9 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202
  1. /*=============================================================================
  2. Copyright (c) 2001-2015 Joel de Guzman
  3. Distributed under the Boost Software License, Version 1.0. (See accompanying
  4. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  5. =============================================================================*/
  6. #include <boost/detail/lightweight_test.hpp>
  7. #include <boost/spirit/home/x3.hpp>
  8. #include <iostream>
  9. #include "test.hpp"
  10. // Custom string type with a C-style string conversion.
  11. struct custom_string_c
  12. {
  13. custom_string_c(char c) { str[0] = c; str[1] = '\0'; }
  14. operator char*() { return str; }
  15. operator char const*() const { return str; }
  16. private:
  17. char str[2];
  18. };
  19. std::string get_str(char const* str)
  20. {
  21. return std::string(str);
  22. }
  23. int
  24. main()
  25. {
  26. using spirit_test::test;
  27. using spirit_test::test_attr;
  28. using boost::spirit::x3::symbols;
  29. using boost::spirit::x3::rule;
  30. { // construction from symbol array
  31. char const* syms[] = {"Joel","Ruby","Tenji","Tutit","Kim","Joey"};
  32. symbols<int> sym(syms);
  33. BOOST_TEST((test("Joel", sym)));
  34. BOOST_TEST((test("Ruby", sym)));
  35. BOOST_TEST((test("Tenji", sym)));
  36. BOOST_TEST((test("Tutit", sym)));
  37. BOOST_TEST((test("Kim", sym)));
  38. BOOST_TEST((test("Joey", sym)));
  39. BOOST_TEST((!test("XXX", sym)));
  40. }
  41. { // construction from 2 arrays
  42. char const* syms[] = {"Joel","Ruby","Tenji","Tutit","Kim","Joey"};
  43. int data[] = {1,2,3,4,5,6};
  44. symbols<int> sym(syms, data);
  45. int i;
  46. BOOST_TEST((test_attr("Joel", sym, i)));
  47. BOOST_TEST(i == 1);
  48. BOOST_TEST((test_attr("Ruby", sym, i)));
  49. BOOST_TEST(i == 2);
  50. BOOST_TEST((test_attr("Tenji", sym, i)));
  51. BOOST_TEST(i == 3);
  52. BOOST_TEST((test_attr("Tutit", sym, i)));
  53. BOOST_TEST(i == 4);
  54. BOOST_TEST((test_attr("Kim", sym, i)));
  55. BOOST_TEST(i == 5);
  56. BOOST_TEST((test_attr("Joey", sym, i)));
  57. BOOST_TEST(i == 6);
  58. BOOST_TEST((!test_attr("XXX", sym, i)));
  59. }
  60. { // allow std::string and other string types
  61. symbols<> sym;
  62. // const and non-const std::string
  63. std::string a("abc");
  64. std::string const b("def");
  65. sym += a;
  66. sym += b;
  67. BOOST_TEST((test("abc", sym)));
  68. BOOST_TEST((test("def", sym)));
  69. sym = a;
  70. BOOST_TEST((test("abc", sym)));
  71. BOOST_TEST((!test("def", sym)));
  72. // non-const C-style string
  73. char arr[2]; arr[0] = 'a'; arr[1] = '\0';
  74. sym = arr;
  75. BOOST_TEST((test("a", sym)));
  76. BOOST_TEST((!test("b", sym)));
  77. // const and non-const custom string type
  78. custom_string_c c('x');
  79. custom_string_c const cc('y');
  80. sym = c, cc;
  81. BOOST_TEST((test("x", sym)));
  82. BOOST_TEST((test("y", sym)));
  83. BOOST_TEST((!test("z", sym)));
  84. }
  85. { // find
  86. symbols<int> sym;
  87. sym.add("a", 1)("b", 2);
  88. BOOST_TEST(!sym.find("c"));
  89. BOOST_TEST(sym.find("a") && *sym.find("a") == 1);
  90. BOOST_TEST(sym.find("b") && *sym.find("b") == 2);
  91. BOOST_TEST(sym.at("a") == 1);
  92. BOOST_TEST(sym.at("b") == 2);
  93. BOOST_TEST(sym.at("c") == 0);
  94. BOOST_TEST(sym.find("a") && *sym.find("a") == 1);
  95. BOOST_TEST(sym.find("b") && *sym.find("b") == 2);
  96. BOOST_TEST(sym.find("c") && *sym.find("c") == 0);
  97. symbols<int> const_sym(sym);
  98. BOOST_TEST(const_sym.find("a") && *const_sym.find("a") == 1);
  99. BOOST_TEST(const_sym.find("b") && *const_sym.find("b") == 2);
  100. BOOST_TEST(const_sym.find("c") && *const_sym.find("c") == 0);
  101. BOOST_TEST(!const_sym.find("d"));
  102. char const *str1 = "all";
  103. char const *first = str1, *last = str1 + 3;
  104. BOOST_TEST(*sym.prefix_find(first, last) == 1 && first == str1 + 1);
  105. char const *str2 = "dart";
  106. first = str2; last = str2 + 4;
  107. BOOST_TEST(!sym.prefix_find(first, last) && first == str2);
  108. }
  109. { // name
  110. symbols <int> sym,sym2;
  111. sym.name("test");
  112. BOOST_TEST(sym.name()=="test");
  113. sym2 = sym;
  114. BOOST_TEST(sym2.name()=="test");
  115. symbols <int> sym3(sym);
  116. BOOST_TEST(sym3.name()=="test");
  117. }
  118. { // Substrings
  119. symbols<int> sym;
  120. BOOST_TEST(sym.at("foo") == 0);
  121. sym.at("foo") = 1;
  122. BOOST_TEST(sym.at("foo") == 1);
  123. BOOST_TEST(sym.at("fool") == 0);
  124. sym.at("fool") = 2;
  125. BOOST_TEST(sym.find("foo") && *sym.find("foo") == 1);
  126. BOOST_TEST(sym.find("fool") && *sym.find("fool") == 2);
  127. BOOST_TEST(!sym.find("foolish"));
  128. BOOST_TEST(!sym.find("foot"));
  129. BOOST_TEST(!sym.find("afoot"));
  130. char const *str, *first, *last;
  131. str = "foolish"; first = str; last = str + 7;
  132. BOOST_TEST(*sym.prefix_find(first, last) == 2 && first == str + 4);
  133. first = str; last = str + 4;
  134. BOOST_TEST(*sym.prefix_find(first, last) == 2 && first == str + 4);
  135. str = "food"; first = str; last = str + 4;
  136. BOOST_TEST(*sym.prefix_find(first, last) == 1 && first == str + 3);
  137. first = str; last = str + 3;
  138. BOOST_TEST(*sym.prefix_find(first, last) == 1 && first == str + 3);
  139. first = str; last = str + 2;
  140. BOOST_TEST(!sym.prefix_find(first, last) && first == str);
  141. }
  142. {
  143. // remove bug
  144. std::string s;
  145. symbols<double> vars;
  146. vars.add("l1", 12.0);
  147. vars.add("l2", 0.0);
  148. vars.remove("l2");
  149. vars.find("l1");
  150. double* d = vars.find("l1");
  151. BOOST_TEST(d != 0);
  152. }
  153. { // test for proto problem with rvalue references (10-11-2011)
  154. symbols<int> sym;
  155. sym += get_str("Joel");
  156. sym += get_str("Ruby");
  157. BOOST_TEST((test("Joel", sym)));
  158. BOOST_TEST((test("Ruby", sym)));
  159. }
  160. return boost::report_errors();
  161. }