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 //

    34 bool str_equal(const char* a_, const char* b_)

    35 {

    36   return strcmp(a_, b_) == 0 ? 1 : 0;

    37 }

    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 }

    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 }

    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 }