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// STLport regression testsuite component.
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// To compile as a separate example, please #define MAIN.
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#include <iterator>
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#include <algorithm>
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#include <vector>
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#include <iterator>
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// #include <functional>
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#include <numeric>
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#include <iostream>
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#ifdef MAIN
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#define prevprm2_test main
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#endif
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#if !defined (STLPORT) || defined(__STL_USE_NAMESPACES)
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using namespace std;
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#endif
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int prevprm2_test(int, char**)
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{
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int failures=0;
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cout<<"Results of prevprm2_test:"<<endl;
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vector <int> v1(3);
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iota(v1.begin(), v1.end(), 0);
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ostream_iterator<int> iter(cout, " ");
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copy(v1.begin(), v1.end(), iter);
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cout << endl;
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if(0!=v1[0])
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failures++;
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else if(1 !=v1[1])
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failures++;
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else if(2!=v1[2])
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failures++;
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for(int i = 0; i < 9; i++)
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{
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prev_permutation(v1.begin(), v1.end(), greater<int>());
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copy(v1.begin(), v1.end(), iter);
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switch(i)
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{
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case 0: if(0 !=v1[0])
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failures++;
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else if(2 !=v1[1])
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failures++;
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else if(1 !=v1[2])
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failures++;
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break;
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case 1: if(1 !=v1[0])
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failures++;
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else if(0 !=v1[1])
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failures++;
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else if(2 !=v1[2])
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failures++;
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break;
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case 2: if(1 !=v1[0])
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failures++;
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else if(2 !=v1[1])
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failures++;
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else if(0 !=v1[2])
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failures++;
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break;
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case 3: if(2 !=v1[0])
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failures++;
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else if(0 !=v1[1])
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failures++;
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else if(1 !=v1[2])
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failures++;
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break;
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case 4: if(2 !=v1[0])
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failures++;
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else if(1 !=v1[1])
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failures++;
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else if(0 !=v1[2])
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failures++;
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break;
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case 5: if(0 !=v1[0])
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failures++;
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else if(1 !=v1[1])
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failures++;
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else if(2 !=v1[2])
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failures++;
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break;
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case 6: if(0 !=v1[0])
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failures++;
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else if(2 !=v1[1])
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failures++;
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else if(1 !=v1[2])
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failures++;
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break;
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case 7: if(1 !=v1[0])
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failures++;
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else if(0 !=v1[1])
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failures++;
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else if(2 !=v1[2])
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failures++;
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break;
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case 8: if(1 !=v1[0])
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failures++;
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else if(2 !=v1[1])
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failures++;
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else if(0 !=v1[2])
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failures++;
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break;
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}
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cout << endl;
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}
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if(failures)
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return 1;
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else
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return 0;
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}
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