ReactOS Development > Doxygen

00001 #include <numeric>
00002 #include <vector>
00003 #include <algorithm>
00004 
00005 #include "iota.h"
00006 #include "cppunit/cppunit_proxy.h"
00007 
00008 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
00009 using namespace std;
00010 #endif
00011 
00012 //
00013 // TestCase class
00014 //
00015 class RotateTest : public CPPUNIT_NS::TestCase
00016 {
00017   CPPUNIT_TEST_SUITE(RotateTest);
00018   CPPUNIT_TEST(rotate0);
00019   CPPUNIT_TEST(rotate1);
00020   CPPUNIT_TEST(rotcopy0);
00021   CPPUNIT_TEST(rotcopy1);
00022   CPPUNIT_TEST_SUITE_END();
00023 
00024 protected:
00025   void rotate0();
00026   void rotate1();
00027   void rotcopy0();
00028   void rotcopy1();
00029 };
00030 
00031 CPPUNIT_TEST_SUITE_REGISTRATION(RotateTest);
00032 
00033 //
00034 // tests implementation
00035 //
00036 void RotateTest::rotate0()
00037 {
00038   int numbers[6] = { 0, 1, 2, 3, 4, 5 };
00039   // 3 4 5 0 1 2
00040   rotate((int*)numbers, numbers + 3, numbers + 6);
00041   CPPUNIT_ASSERT(numbers[0]==3);
00042   CPPUNIT_ASSERT(numbers[1]==4);
00043   CPPUNIT_ASSERT(numbers[2]==5);
00044   CPPUNIT_ASSERT(numbers[3]==0);
00045   CPPUNIT_ASSERT(numbers[4]==1);
00046   CPPUNIT_ASSERT(numbers[5]==2);
00047 }
00048 void RotateTest::rotate1()
00049 {
00050   vector <int> v1(10);
00051   __iota(v1.begin(), v1.end(), 0);
00052 
00053   rotate(v1.begin(), v1.begin()+1, v1.end());
00054   CPPUNIT_ASSERT(v1[0]==1);
00055   CPPUNIT_ASSERT(v1[1]==2);
00056   CPPUNIT_ASSERT(v1[2]==3);
00057   CPPUNIT_ASSERT(v1[3]==4);
00058   CPPUNIT_ASSERT(v1[4]==5);
00059   CPPUNIT_ASSERT(v1[5]==6);
00060   CPPUNIT_ASSERT(v1[6]==7);
00061   CPPUNIT_ASSERT(v1[7]==8);
00062   CPPUNIT_ASSERT(v1[8]==9);
00063   CPPUNIT_ASSERT(v1[9]==0);
00064 
00065   rotate(v1.begin(), v1.begin()+2, v1.end());
00066   CPPUNIT_ASSERT(v1[0]==3);
00067   CPPUNIT_ASSERT(v1[1]==4);
00068   CPPUNIT_ASSERT(v1[2]==5);
00069   CPPUNIT_ASSERT(v1[3]==6);
00070   CPPUNIT_ASSERT(v1[4]==7);
00071   CPPUNIT_ASSERT(v1[5]==8);
00072   CPPUNIT_ASSERT(v1[6]==9);
00073   CPPUNIT_ASSERT(v1[7]==0);
00074   CPPUNIT_ASSERT(v1[8]==1);
00075   CPPUNIT_ASSERT(v1[9]==2);
00076 
00077   rotate(v1.begin(), v1.begin()+7, v1.end());
00078   CPPUNIT_ASSERT(v1[0]==0);
00079   CPPUNIT_ASSERT(v1[1]==1);
00080   CPPUNIT_ASSERT(v1[2]==2);
00081   CPPUNIT_ASSERT(v1[3]==3);
00082   CPPUNIT_ASSERT(v1[4]==4);
00083   CPPUNIT_ASSERT(v1[5]==5);
00084   CPPUNIT_ASSERT(v1[6]==6);
00085   CPPUNIT_ASSERT(v1[7]==7);
00086   CPPUNIT_ASSERT(v1[8]==8);
00087   CPPUNIT_ASSERT(v1[9]==9);
00088 
00089 }
00090 void RotateTest::rotcopy0()
00091 {
00092   int numbers[6] = { 0, 1, 2, 3, 4, 5 };
00093 
00094   int result[6];
00095   rotate_copy((int*)numbers, (int*)numbers + 3, (int*)numbers + 6, (int*)result);
00096   // 3 4 5 0 1 2
00097   CPPUNIT_ASSERT(result[0]==3);
00098   CPPUNIT_ASSERT(result[1]==4);
00099   CPPUNIT_ASSERT(result[2]==5);
00100   CPPUNIT_ASSERT(result[3]==0);
00101   CPPUNIT_ASSERT(result[4]==1);
00102   CPPUNIT_ASSERT(result[5]==2);
00103 }
00104 void RotateTest::rotcopy1()
00105 {
00106   vector <int> v1(10);
00107   __iota(v1.begin(), v1.end(), 0);
00108   vector <int> v2(v1.size());
00109 
00110   rotate_copy(v1.begin(), v1.begin()+1, v1.end(), v2.begin());
00111   CPPUNIT_ASSERT(v2[0]==1);
00112   CPPUNIT_ASSERT(v2[1]==2);
00113   CPPUNIT_ASSERT(v2[2]==3);
00114   CPPUNIT_ASSERT(v2[3]==4);
00115   CPPUNIT_ASSERT(v2[4]==5);
00116   CPPUNIT_ASSERT(v2[5]==6);
00117   CPPUNIT_ASSERT(v2[6]==7);
00118   CPPUNIT_ASSERT(v2[7]==8);
00119   CPPUNIT_ASSERT(v2[8]==9);
00120   CPPUNIT_ASSERT(v2[9]==0);
00121 
00122   rotate_copy(v1.begin(), v1.begin()+3, v1.end(), v2.begin());
00123   CPPUNIT_ASSERT(v2[0]==3);
00124   CPPUNIT_ASSERT(v2[1]==4);
00125   CPPUNIT_ASSERT(v2[2]==5);
00126   CPPUNIT_ASSERT(v2[3]==6);
00127   CPPUNIT_ASSERT(v2[4]==7);
00128   CPPUNIT_ASSERT(v2[5]==8);
00129   CPPUNIT_ASSERT(v2[6]==9);
00130   CPPUNIT_ASSERT(v2[7]==0);
00131   CPPUNIT_ASSERT(v2[8]==1);
00132   CPPUNIT_ASSERT(v2[9]==2);
00133 }
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