1 #include <numeric>
2 #include <vector>
3 #include <algorithm>
4 
5 #include "iota.h"
6 #include "cppunit/cppunit_proxy.h"
7 
8 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
9 using namespace std;
10 #endif
11 
12 //
13 // TestCase class
14 //
15 class MismatchTest : public CPPUNIT_NS::TestCase
16 {
17   CPPUNIT_TEST_SUITE(MismatchTest);
18   CPPUNIT_TEST(mismatch0);
19   CPPUNIT_TEST(mismatch1);
20   CPPUNIT_TEST(mismatch2);
21   CPPUNIT_TEST_SUITE_END();
22 
23 protected:
24   void mismatch0();
25   void mismatch1();
26   void mismatch2();
27 };
28 
29 CPPUNIT_TEST_SUITE_REGISTRATION(MismatchTest);
30 
31 //
32 // tests implementation
33 //
str_equal(const char * a_,const char * b_)34 bool str_equal(const char* a_, const char* b_)
35 {
36   return strcmp(a_, b_) == 0 ? 1 : 0;
37 }
mismatch0()38 void MismatchTest::mismatch0()
39 {
40   int n1[5] = { 1, 2, 3, 4, 5 };
41   int n2[5] = { 1, 2, 3, 4, 5 };
42   int n3[5] = { 1, 2, 3, 2, 1 };
43 
44   pair <int*, int*> result = mismatch((int*)n1, (int*)n1 + 5, (int*)n2);
45   CPPUNIT_ASSERT(result.first ==(n1 + 5) && result.second ==(n2 + 5));
46 
47   result = mismatch((int*)n1, (int*)n1 + 5, (int*)n3);
48   CPPUNIT_ASSERT(!(result.first ==(n1 + 5) && result.second ==(n3 + 5)));
49   CPPUNIT_ASSERT((result.first - n1)==3);
50 }
mismatch1()51 void MismatchTest::mismatch1()
52 {
53   typedef vector<int> IntVec;
54   IntVec v1(10);
55   __iota(v1.begin(), v1.end(), 0);
56   IntVec v2(v1);
57 
58   pair <IntVec::iterator, IntVec::iterator> result = mismatch(v1.begin(), v1.end(), v2.begin());
59 
60   CPPUNIT_ASSERT(result.first == v1.end() && result.second == v2.end());
61 
62   v2[v2.size()/2] = 42;
63   result = mismatch(v1.begin(), v1.end(), v2.begin());
64   CPPUNIT_ASSERT(!(result.first == v1.end() && result.second == v2.end()));
65   CPPUNIT_ASSERT((result.first - v1.begin())==5);
66 }
mismatch2()67 void MismatchTest::mismatch2()
68 {
69   const unsigned size = 5;
70   char const* n1[size] = { "Brett", "Graham", "Jack", "Mike", "Todd" };
71 
72   char const* n2[size];
73   copy(n1, n1 + 5, (char const**)n2);
74   pair <char const**, char const**> result = mismatch((char const**)n1, (char const**)n1 + size, (char const**)n2, str_equal);
75 
76   CPPUNIT_ASSERT(result.first == n1 + size && result.second == n2 + size);
77 
78   n2[2] = "QED";
79   result = mismatch((char const**)n1, (char const**)n1 + size, (char const**)n2, str_equal);
80   CPPUNIT_ASSERT(!(result.first == n2 + size && result.second == n2 + size));
81   CPPUNIT_ASSERT((result.first - n1)==2);
82 }
83