1 #include <vector>
2 #include <algorithm>
3 #include <functional>
4 
5 #include "cppunit/cppunit_proxy.h"
6 
7 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
8 using namespace std;
9 #endif
10 
11 //
12 // TestCase class
13 //
14 class HeapTest : public CPPUNIT_NS::TestCase
15 {
16   CPPUNIT_TEST_SUITE(HeapTest);
17   CPPUNIT_TEST(mkheap0);
18   CPPUNIT_TEST(mkheap1);
19   CPPUNIT_TEST(pheap1);
20   CPPUNIT_TEST(pheap2);
21   CPPUNIT_TEST_SUITE_END();
22 
23 protected:
24   void mkheap0();
25   void mkheap1();
26   void pheap1();
27   void pheap2();
28 };
29 
30 CPPUNIT_TEST_SUITE_REGISTRATION(HeapTest);
31 
32 //
33 // tests implementation
34 //
35 void HeapTest::mkheap0()
36 {
37   int numbers[6] = { 5, 10, 4, 13, 11, 19 };
38 
39   make_heap(numbers, numbers + 6);
40   CPPUNIT_ASSERT(numbers[0]==19)
41   pop_heap(numbers, numbers + 6);
42   CPPUNIT_ASSERT(numbers[0]==13)
43   pop_heap(numbers, numbers + 5);
44   CPPUNIT_ASSERT(numbers[0]==11)
45   pop_heap(numbers, numbers + 4);
46   CPPUNIT_ASSERT(numbers[0]==10)
47   pop_heap(numbers, numbers + 3);
48   CPPUNIT_ASSERT(numbers[0]==5)
49   pop_heap(numbers, numbers + 2);
50   CPPUNIT_ASSERT(numbers[0]==4)
51   pop_heap(numbers, numbers + 1);
52 }
53 void HeapTest::mkheap1()
54 {
55   int numbers[6] = { 5, 10, 4, 13, 11, 19 };
56 
57   make_heap(numbers, numbers + 6, greater<int>());
58 
59   CPPUNIT_ASSERT(numbers[0]==4)
60   pop_heap(numbers, numbers + 6, greater<int>());
61   CPPUNIT_ASSERT(numbers[0]==5)
62   pop_heap(numbers, numbers + 5, greater<int>());
63   CPPUNIT_ASSERT(numbers[0]==10)
64   pop_heap(numbers, numbers + 4, greater<int>());
65   CPPUNIT_ASSERT(numbers[0]==11)
66   pop_heap(numbers, numbers + 3, greater<int>());
67   CPPUNIT_ASSERT(numbers[0]==13)
68   pop_heap(numbers, numbers + 2, greater<int>());
69   CPPUNIT_ASSERT(numbers[0]==19)
70 }
71 void HeapTest::pheap1()
72 {
73   vector<int> v;
74 
75   v.push_back(1);
76   v.push_back(20);
77   v.push_back(4);
78   make_heap(v.begin(), v.end());
79 
80   v.push_back(7);
81   push_heap(v.begin(), v.end());
82 
83   sort_heap(v.begin(), v.end());
84 
85   CPPUNIT_ASSERT(v[0]==1);
86   CPPUNIT_ASSERT(v[1]==4);
87   CPPUNIT_ASSERT(v[2]==7);
88   CPPUNIT_ASSERT(v[3]==20);
89 }
90 void HeapTest::pheap2()
91 {
92   vector<int> v;
93 
94   v.push_back(1);
95   v.push_back(20);
96   v.push_back(4);
97   make_heap(v.begin(), v.end(), greater<int>());
98 
99   v.push_back(7);
100   push_heap(v.begin(), v.end(), greater<int>());
101 
102   sort_heap(v.begin(), v.end(), greater<int>());
103 
104   CPPUNIT_ASSERT(v[0]==20);
105   CPPUNIT_ASSERT(v[1]==7);
106   CPPUNIT_ASSERT(v[2]==4);
107   CPPUNIT_ASSERT(v[3]==1);
108 }
109