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#include <numeric>
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#include <string>
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#include <iterator>
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#include <vector>
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#include <algorithm>
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#include <functional>
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#include "iota.h"
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#include "cppunit/cppunit_proxy.h"
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#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
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using namespace std;
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#endif
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//
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// TestCase class
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//
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class SetDifferenceTest : public CPPUNIT_NS::TestCase
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{
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CPPUNIT_TEST_SUITE(SetDifferenceTest);
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CPPUNIT_TEST(setdiff0);
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CPPUNIT_TEST(setdiff1);
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CPPUNIT_TEST(setdiff2);
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CPPUNIT_TEST(setsymd0);
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CPPUNIT_TEST(setsymd1);
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CPPUNIT_TEST(setsymd2);
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CPPUNIT_TEST_SUITE_END();
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protected:
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void setdiff0();
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void setdiff1();
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void setdiff2();
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void setsymd0();
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void setsymd1();
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void setsymd2();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(SetDifferenceTest);
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//
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// tests implementation
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//
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void SetDifferenceTest::setsymd0()
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{
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int v1[3] = { 13, 18, 23 };
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int v2[4] = { 10, 13, 17, 23 };
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int result[4] = { 0, 0, 0, 0 };
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set_symmetric_difference((int*)v1, (int*)v1 + 3, (int*)v2, (int*)v2 + 4, (int*)result);
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CPPUNIT_ASSERT(result[0]==10);
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CPPUNIT_ASSERT(result[1]==17);
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CPPUNIT_ASSERT(result[2]==18);
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CPPUNIT_ASSERT(result[3]==0);
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}
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void SetDifferenceTest::setsymd1()
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{
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vector<int> v1(10);
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__iota(v1.begin(), v1.end(), 0);
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vector<int> v2(10);
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__iota(v2.begin(), v2.end(), 7);
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vector<int> diff;
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set_symmetric_difference(v1.begin(), v1.end(), v2.begin(), v2.end(), back_inserter(diff));
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CPPUNIT_ASSERT( diff.size() == 14 );
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int int_res[] = {0, 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16};
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for (int i = 0; i < 14; ++i) {
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CPPUNIT_ASSERT( diff[i] == int_res[i] );
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}
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}
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void SetDifferenceTest::setsymd2()
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{
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char* word1 = "ABCDEFGHIJKLMNO";
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char* word2 = "LMNOPQRSTUVWXYZ";
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string diff;
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set_symmetric_difference(word1, word1 + ::strlen(word1), word2, word2 + ::strlen(word2),
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back_inserter(diff), less<char>());
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CPPUNIT_ASSERT( diff.size() == 22 );
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char char_res[] = "ABCDEFGHIJKPQRSTUVWXYZ";
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for (int i = 0; i < 22; ++i) {
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CPPUNIT_ASSERT( diff[i] == char_res[i] );
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}
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}
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void SetDifferenceTest::setdiff0()
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{
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int v1[3] = { 13, 18, 23 };
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int v2[4] = { 10, 13, 17, 23 };
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int result[4] = { 0, 0, 0, 0 };
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//18 0 0 0
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//10 17 23 0
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set_difference((int*)v1, (int*)v1 + 3, (int*)v2, (int*)v2 + 4, (int*)result);
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CPPUNIT_ASSERT( result[0] == 18 );
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CPPUNIT_ASSERT( result[1] == 0 );
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CPPUNIT_ASSERT( result[2] == 0 );
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CPPUNIT_ASSERT( result[3] == 0 );
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set_difference((int*)v2, (int*)v2 + 4, (int*)v1, (int*)v1 + 2, (int*)result);
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CPPUNIT_ASSERT( result[0] == 10 );
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CPPUNIT_ASSERT( result[1] == 17 );
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CPPUNIT_ASSERT( result[2] == 23 );
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CPPUNIT_ASSERT( result[3] == 0 );
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}
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void SetDifferenceTest::setdiff1()
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{
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vector<int> v1(10);
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__iota(v1.begin(), v1.end(), 0);
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vector<int> v2(10);
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__iota(v2.begin(), v2.end(), 7);
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vector<int> diff;
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set_difference(v1.begin(), v1.end(), v2.begin(), v2.end(), back_inserter(diff));
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CPPUNIT_ASSERT( diff.size() == 7 );
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for (int i = 0; i < 7; ++i) {
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CPPUNIT_ASSERT( diff[i] == i );
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}
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}
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void SetDifferenceTest::setdiff2()
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{
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char* word1 = "ABCDEFGHIJKLMNO";
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char* word2 = "LMNOPQRSTUVWXYZ";
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string diff;
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set_difference(word1, word1 + ::strlen(word1), word2, word2 + ::strlen(word2), back_inserter(diff), less<char>());
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CPPUNIT_ASSERT( diff.size() == 11 );
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for (int i = 0; i < 11; ++i) {
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CPPUNIT_ASSERT( diff[i] == ('A' + i) );
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}
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}
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