ReactOS  0.4.13-dev-73-gcfe54aa
swap_test.cpp
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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 {
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)
29 #endif
30  CPPUNIT_TEST(swap_container_spec);
32 
33 protected:
34  void swap1();
35  void swprnge1();
36  void swap_container_non_spec();
37  void swap_container_spec();
38 };
39 
41 
42 //
43 // tests implementation
44 //
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 
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:
67  Obj() :
68  v( 0 )
69  { }
70  Obj( const Obj& ) :
71  v( 1 )
72  { }
73 
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  */
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 
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 }
void swap(StackAllocator< _Tp > &__a, StackAllocator< _Tp > &__b)
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
Obj()
Definition: swap_test.cpp:67
#define CPPUNIT_TEST_SUITE(X)
Definition: cppunit_mini.h:142
#define CPPUNIT_TEST(X)
Definition: cppunit_mini.h:182
Definition: features.h:417
_STLP_INLINE_LOOP _ForwardIter2 swap_ranges(_ForwardIter1 __first1, _ForwardIter1 __last1, _ForwardIter2 __first2)
Definition: _algo.h:160
basic_ostream< _CharT, _Traits > &_STLP_CALL endl(basic_ostream< _CharT, _Traits > &__os)
Definition: _ostream.h:357
void swprnge1()
Definition: swap_test.cpp:55
Definition: _queue.h:59
#define CPPUNIT_TEST_SUITE_END()
Definition: cppunit_mini.h:191
Obj(const Obj &)
Definition: swap_test.cpp:70
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
#define CPPUNIT_CHECK(X)
Definition: cppunit_mini.h:195
void swap_container_non_spec()
Definition: swap_test.cpp:88
_STLP_DECLSPEC _Stl_aligned_buffer< ostream > cerr
Definition: iostream.cpp:102
#define _STLP_PRIV
Definition: _dm.h:70
void swap1()
Definition: swap_test.cpp:45
#define CPPUNIT_ASSERT(X)
Definition: cppunit_mini.h:200
GLfloat GLfloat GLfloat v2
Definition: glext.h:6063
void swap_container_spec()
Definition: swap_test.cpp:120
const GLdouble * v
Definition: gl.h:2040
CPPUNIT_TEST_SUITE_REGISTRATION(SwapTest)
int strcmp(const char *String1, const char *String2)
Definition: utclib.c:469
#define CPPUNIT_IGNORE
Definition: cppunit_mini.h:185
int v
Definition: swap_test.cpp:77
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204
GLfloat GLfloat v1
Definition: glext.h:6062