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os/ossrv/genericopenlibs/cppstdlib/stl/test/unit/setdiff_test.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 #include <numeric>

     2 #include <string>

     3 #include <iterator>

     4 #include <vector>

     5 #include <algorithm>

     6 #include <functional>

     7 

     8 #include "iota.h"

     9 #include "cppunit/cppunit_proxy.h"

    10 

    11 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)

    12 using namespace std;

    13 #endif

    14 

    15 //

    16 // TestCase class

    17 //

    18 class SetDifferenceTest : public CPPUNIT_NS::TestCase

    19 {

    20   CPPUNIT_TEST_SUITE(SetDifferenceTest);

    21   CPPUNIT_TEST(setdiff0);

    22   CPPUNIT_TEST(setdiff1);

    23   CPPUNIT_TEST(setdiff2);

    24   CPPUNIT_TEST(setsymd0);

    25   CPPUNIT_TEST(setsymd1);

    26   CPPUNIT_TEST(setsymd2);

    27   CPPUNIT_TEST_SUITE_END();

    28 

    29 protected:

    30   void setdiff0();

    31   void setdiff1();

    32   void setdiff2();

    33   void setsymd0();

    34   void setsymd1();

    35   void setsymd2();

    36 };

    37 

    38 CPPUNIT_TEST_SUITE_REGISTRATION(SetDifferenceTest);

    39 

    40 //

    41 // tests implementation

    42 //

    43 void SetDifferenceTest::setsymd0()

    44 {

    45   int v1[3] = { 13, 18, 23 };

    46   int v2[4] = { 10, 13, 17, 23 };

    47   int result[4] = { 0, 0, 0, 0 };

    48 

    49   set_symmetric_difference((int*)v1, (int*)v1 + 3, (int*)v2, (int*)v2 + 4, (int*)result);

    50   CPPUNIT_ASSERT(result[0]==10);

    51   CPPUNIT_ASSERT(result[1]==17);

    52   CPPUNIT_ASSERT(result[2]==18);

    53   CPPUNIT_ASSERT(result[3]==0);

    54 }

    55 

    56 void SetDifferenceTest::setsymd1()

    57 {

    58   vector<int> v1(10);

    59   __iota(v1.begin(), v1.end(), 0);

    60   vector<int> v2(10);

    61   __iota(v2.begin(), v2.end(), 7);

    62 

    63   vector<int> diff;

    64   set_symmetric_difference(v1.begin(), v1.end(), v2.begin(), v2.end(), back_inserter(diff));

    65   CPPUNIT_ASSERT( diff.size() == 14 );

    66   int int_res[] = {0, 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16};

    67   for (int i = 0; i < 14; ++i) {

    68     CPPUNIT_ASSERT( diff[i] == int_res[i] );

    69   }

    70 }

    71 

    72 void SetDifferenceTest::setsymd2()

    73 {

    74   char* word1 = "ABCDEFGHIJKLMNO";

    75   char* word2 = "LMNOPQRSTUVWXYZ";

    76 

    77   string diff;

    78   set_symmetric_difference(word1, word1 + ::strlen(word1), word2, word2 + ::strlen(word2),

    79                            back_inserter(diff), less<char>());

    80   CPPUNIT_ASSERT( diff.size() == 22 );

    81   char char_res[] = "ABCDEFGHIJKPQRSTUVWXYZ";

    82   for (int i = 0; i < 22; ++i) {

    83     CPPUNIT_ASSERT( diff[i] == char_res[i] );

    84   }

    85 }

    86 

    87 void SetDifferenceTest::setdiff0()

    88 {

    89   int v1[3] = { 13, 18, 23 };

    90   int v2[4] = { 10, 13, 17, 23 };

    91   int result[4] = { 0, 0, 0, 0 };

    92   //18 0 0 0

    93   //10 17 23 0

    94 

    95   set_difference((int*)v1, (int*)v1 + 3, (int*)v2, (int*)v2 + 4, (int*)result);

    96   CPPUNIT_ASSERT( result[0] == 18 );

    97   CPPUNIT_ASSERT( result[1] == 0 );

    98   CPPUNIT_ASSERT( result[2] == 0 );

    99   CPPUNIT_ASSERT( result[3] == 0 );

   100 

   101   set_difference((int*)v2, (int*)v2 + 4, (int*)v1, (int*)v1 + 2, (int*)result);

   102   CPPUNIT_ASSERT( result[0] == 10 );

   103   CPPUNIT_ASSERT( result[1] == 17 );

   104   CPPUNIT_ASSERT( result[2] == 23 );

   105   CPPUNIT_ASSERT( result[3] == 0 );

   106 }

   107 

   108 void SetDifferenceTest::setdiff1()

   109 {

   110   vector<int> v1(10);

   111   __iota(v1.begin(), v1.end(), 0);

   112   vector<int> v2(10);

   113   __iota(v2.begin(), v2.end(), 7);

   114 

   115   vector<int> diff;

   116   set_difference(v1.begin(), v1.end(), v2.begin(), v2.end(), back_inserter(diff));

   117   CPPUNIT_ASSERT( diff.size() == 7 );

   118   for (int i = 0; i < 7; ++i) {

   119     CPPUNIT_ASSERT( diff[i] == i );

   120   }

   121 }

   122 

   123 void SetDifferenceTest::setdiff2()

   124 {

   125   char* word1 = "ABCDEFGHIJKLMNO";

   126   char* word2 = "LMNOPQRSTUVWXYZ";

   127 

   128   string diff;

   129   set_difference(word1, word1 + ::strlen(word1), word2, word2 + ::strlen(word2), back_inserter(diff), less<char>());

   130   CPPUNIT_ASSERT( diff.size() == 11 );

   131   for (int i = 0; i < 11; ++i) {

   132     CPPUNIT_ASSERT( diff[i] == ('A' + i) );

   133   }

   134 }
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