1 #include <vector>
2 #include <algorithm>
3 #include <vector>
4 #include <queue>
5
6 #if 0 /* temporary: investigation of problem with swap */
7 #include <iostream>
8 #include <typeinfo>
9 #endif
10
11 #include "cppunit/cppunit_proxy.h"
12
13 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
14 using namespace std;
15 #endif
16
17 //
18 // TestCase class
19 //
20 class SwapTest : public CPPUNIT_NS::TestCase
21 {
22 CPPUNIT_TEST_SUITE(SwapTest);
23 CPPUNIT_TEST(swap1);
24 CPPUNIT_TEST(swprnge1);
25 CPPUNIT_TEST(swap_container_non_spec);
26 #if defined (STLPORT) && \
27 !defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER) && !defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND)
28 CPPUNIT_IGNORE;
29 #endif
30 CPPUNIT_TEST(swap_container_spec);
31 CPPUNIT_TEST_SUITE_END();
32
33 protected:
34 void swap1();
35 void swprnge1();
36 void swap_container_non_spec();
37 void swap_container_spec();
38 };
39
40 CPPUNIT_TEST_SUITE_REGISTRATION(SwapTest);
41
42 //
43 // tests implementation
44 //
swap1()45 void SwapTest::swap1()
46 {
47 int a = 42;
48 int b = 19;
49 swap(a, b);
50
51 CPPUNIT_ASSERT(a==19);
52 CPPUNIT_ASSERT(b==42);
53 }
54
swprnge1()55 void SwapTest::swprnge1()
56 {
57 char word1[] = "World";
58 char word2[] = "Hello";
59 swap_ranges((char*)word1, (char*)word1 + ::strlen(word1), (char*)word2);
60 CPPUNIT_ASSERT(!strcmp(word1, "Hello"));
61 CPPUNIT_ASSERT(!strcmp(word2, "World"));
62 }
63
64 class Obj
65 {
66 public:
Obj()67 Obj() :
68 v( 0 )
69 { }
Obj(const Obj &)70 Obj( const Obj& ) :
71 v( 1 )
72 { }
73
operator =(const Obj &)74 Obj& operator =( const Obj& )
75 { v = 2; return *this; }
76
77 int v;
78 };
79
80 /*
81 * Following two tests check the corectness of specialization of swap():
82 * for containers with container::swap method swap( a, b ) should
83 * use a.swap( b ), but don't try to do this substitution for container
84 * without swap method (in this case swap should be made via explicit members
85 * exchange; this assume usage of temporary object)
86 *
87 */
swap_container_non_spec()88 void SwapTest::swap_container_non_spec()
89 {
90 queue<Obj> v1;
91 queue<Obj> v2;
92
93 v1.push( Obj() );
94 v1.back().v = -1;
95 v1.push( Obj() );
96 v1.back().v = -2;
97
98 v2.push( Obj() );
99 v2.back().v = 10;
100 v2.push( Obj() );
101 v2.back().v = 11;
102 v2.push( Obj() );
103 v2.back().v = 12;
104
105 CPPUNIT_CHECK( v1.size() == 2 );
106 CPPUNIT_CHECK( v2.size() == 3 );
107
108 swap( v1, v2 ); // this shouldn't try make it as v1.swap( v2 ), no queue::swap method!
109
110 CPPUNIT_CHECK( v1.size() == 3 );
111 CPPUNIT_CHECK( v2.size() == 2 );
112
113 // either copy constructor or assignment operator
114 CPPUNIT_CHECK( v1.front().v == 1 || v1.front().v == 2 );
115 CPPUNIT_CHECK( v1.back().v == 1 || v1.back().v == 2 );
116 CPPUNIT_CHECK( v2.front().v == 1 || v2.front().v == 2 );
117 CPPUNIT_CHECK( v2.back().v == 1 || v2.back().v == 2 );
118 }
119
swap_container_spec()120 void SwapTest::swap_container_spec()
121 {
122 #if 0 /* temporary: investigation of problem with swap */
123 if ( typeid(/* _STLP_PRIV */ _SwapImplemented<vector<Obj> >::_Ret) == typeid(_STLP_PRIV __false_type) ) {
124 cerr << "false type" << endl;
125 } else if ( typeid(/* _STLP_PRIV */ _SwapImplemented<vector<Obj> >::_Ret) == typeid(_STLP_PRIV __true_type) ) {
126 cerr << "true type" << endl;
127 } else {
128 cerr << "unknown type" << endl;
129 }
130 #endif /* end of temporary */
131 #if !defined (STLPORT) || \
132 defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER) || defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND)
133 vector<Obj> v1;
134 vector<Obj> v2;
135
136 v1.push_back( Obj() );
137 v1.push_back( Obj() );
138
139 v1[0].v = -1;
140 v1[1].v = -2;
141
142 v2.push_back( Obj() );
143 v2.push_back( Obj() );
144 v2.push_back( Obj() );
145
146 v2[0].v = 10;
147 v2[1].v = 11;
148 v2[2].v = 12;
149
150 CPPUNIT_CHECK( v1.size() == 2 );
151 CPPUNIT_CHECK( v2.size() == 3 );
152
153 swap( v1, v2 ); // this should has effect v1.swap( v2 )
154
155 CPPUNIT_CHECK( v1.size() == 3 );
156 CPPUNIT_CHECK( v2.size() == 2 );
157
158 CPPUNIT_CHECK( v1[0].v == 10 );
159 CPPUNIT_CHECK( v1[1].v == 11 );
160 CPPUNIT_CHECK( v1[2].v == 12 );
161
162 CPPUNIT_CHECK( v2[0].v == -1 );
163 CPPUNIT_CHECK( v2[1].v == -2 );
164 #endif
165 }
166