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81 lines
1.8 KiB
C++
81 lines
1.8 KiB
C++
#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 SetUnionTest : public CPPUNIT_NS::TestCase
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{
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CPPUNIT_TEST_SUITE(SetUnionTest);
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CPPUNIT_TEST(setunon0);
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CPPUNIT_TEST(setunon1);
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CPPUNIT_TEST(setunon2);
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CPPUNIT_TEST_SUITE_END();
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protected:
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void setunon0();
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void setunon1();
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void setunon2();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(SetUnionTest);
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//
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// tests implementation
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//
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void SetUnionTest::setunon0()
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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[7] = { 0, 0, 0, 0, 0, 0, 0 };
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set_union((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]==13);
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CPPUNIT_ASSERT(result[2]==17);
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CPPUNIT_ASSERT(result[3]==18);
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CPPUNIT_ASSERT(result[4]==23);
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CPPUNIT_ASSERT(result[5]==0);
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CPPUNIT_ASSERT(result[6]==0);
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}
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void SetUnionTest::setunon1()
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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_union(v1.begin(), v1.end(), v2.begin(), v2.end(), back_inserter(diff));
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CPPUNIT_ASSERT( diff.size() == 17 );
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for (int i = 0; i < 17; ++i) {
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CPPUNIT_ASSERT( diff[i] == i );
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}
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}
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void SetUnionTest::setunon2()
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{
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const char* word1 = "ABCDEFGHIJKLMNO";
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const char* word2 = "LMNOPQRSTUVWXYZ";
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string diff;
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set_union(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() == 26 );
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for (int i = 0; i < 26; ++i) {
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CPPUNIT_ASSERT( diff[i] == ('A' + i) );
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}
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}
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