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#include <vector>
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#include <algorithm>
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#include <functional>
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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 HeapTest : public CPPUNIT_NS::TestCase
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{
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CPPUNIT_TEST_SUITE(HeapTest);
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CPPUNIT_TEST(mkheap0);
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CPPUNIT_TEST(mkheap1);
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CPPUNIT_TEST(pheap1);
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CPPUNIT_TEST(pheap2);
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CPPUNIT_TEST_SUITE_END();
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protected:
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void mkheap0();
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void mkheap1();
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void pheap1();
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void pheap2();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(HeapTest);
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//
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// tests implementation
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//
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void HeapTest::mkheap0()
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{
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int numbers[6] = { 5, 10, 4, 13, 11, 19 };
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make_heap(numbers, numbers + 6);
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CPPUNIT_ASSERT(numbers[0]==19)
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pop_heap(numbers, numbers + 6);
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CPPUNIT_ASSERT(numbers[0]==13)
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pop_heap(numbers, numbers + 5);
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CPPUNIT_ASSERT(numbers[0]==11)
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pop_heap(numbers, numbers + 4);
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CPPUNIT_ASSERT(numbers[0]==10)
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pop_heap(numbers, numbers + 3);
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CPPUNIT_ASSERT(numbers[0]==5)
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pop_heap(numbers, numbers + 2);
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CPPUNIT_ASSERT(numbers[0]==4)
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pop_heap(numbers, numbers + 1);
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}
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void HeapTest::mkheap1()
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{
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int numbers[6] = { 5, 10, 4, 13, 11, 19 };
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make_heap(numbers, numbers + 6, greater<int>());
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CPPUNIT_ASSERT(numbers[0]==4)
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pop_heap(numbers, numbers + 6, greater<int>());
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CPPUNIT_ASSERT(numbers[0]==5)
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pop_heap(numbers, numbers + 5, greater<int>());
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CPPUNIT_ASSERT(numbers[0]==10)
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pop_heap(numbers, numbers + 4, greater<int>());
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CPPUNIT_ASSERT(numbers[0]==11)
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pop_heap(numbers, numbers + 3, greater<int>());
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CPPUNIT_ASSERT(numbers[0]==13)
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pop_heap(numbers, numbers + 2, greater<int>());
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CPPUNIT_ASSERT(numbers[0]==19)
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}
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void HeapTest::pheap1()
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{
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vector<int> v;
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v.push_back(1);
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v.push_back(20);
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v.push_back(4);
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make_heap(v.begin(), v.end());
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v.push_back(7);
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push_heap(v.begin(), v.end());
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sort_heap(v.begin(), v.end());
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CPPUNIT_ASSERT(v[0]==1);
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CPPUNIT_ASSERT(v[1]==4);
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CPPUNIT_ASSERT(v[2]==7);
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CPPUNIT_ASSERT(v[3]==20);
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}
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void HeapTest::pheap2()
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{
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vector<int> v;
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v.push_back(1);
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v.push_back(20);
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v.push_back(4);
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make_heap(v.begin(), v.end(), greater<int>());
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v.push_back(7);
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push_heap(v.begin(), v.end(), greater<int>());
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sort_heap(v.begin(), v.end(), greater<int>());
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CPPUNIT_ASSERT(v[0]==20);
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CPPUNIT_ASSERT(v[1]==7);
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CPPUNIT_ASSERT(v[2]==4);
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CPPUNIT_ASSERT(v[3]==1);
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}
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