author | Shabe Razvi <shaber@symbian.org> |
Thu, 02 Sep 2010 17:14:31 +0100 | |
branch | RCL_3 |
changeset 58 | 104bd6aeae10 |
parent 0 | e4d67989cc36 |
child 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
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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 NthElemTest : public CPPUNIT_NS::TestCase |
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{ |
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CPPUNIT_TEST_SUITE(NthElemTest); |
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CPPUNIT_TEST(nthelem0); |
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CPPUNIT_TEST(nthelem1); |
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CPPUNIT_TEST(nthelem2); |
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CPPUNIT_TEST_SUITE_END(); |
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protected: |
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void nthelem0(); |
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void nthelem1(); |
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void nthelem2(); |
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}; |
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CPPUNIT_TEST_SUITE_REGISTRATION(NthElemTest); |
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// |
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// tests implementation |
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// |
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void NthElemTest::nthelem0() |
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{ |
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int numbers[7] = { 5, 2, 4, 1, 0, 3 ,77}; |
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nth_element(numbers, numbers + 3, numbers + 6); |
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CPPUNIT_ASSERT(numbers[0]==1); |
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CPPUNIT_ASSERT(numbers[1]==0); |
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CPPUNIT_ASSERT(numbers[2]==2); |
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CPPUNIT_ASSERT(numbers[3]==3); |
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CPPUNIT_ASSERT(numbers[4]==4); |
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CPPUNIT_ASSERT(numbers[5]==5); |
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} |
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void NthElemTest::nthelem1() |
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{ |
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//6 8 5 1 7 4 1 5 2 6 |
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//1 1 4 2 5 5 6 7 8 6 |
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int numbers[10] = { 6, 8, 5, 1, 7, 4, 1, 5, 2, 6 }; |
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vector <int> v1(numbers, numbers+10); |
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nth_element(v1.begin(), v1.begin() + v1.size() / 2, v1.end()); |
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CPPUNIT_ASSERT(v1[0]==1); |
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CPPUNIT_ASSERT(v1[1]==1); |
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CPPUNIT_ASSERT(v1[2]==4); |
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CPPUNIT_ASSERT(v1[3]==2); |
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CPPUNIT_ASSERT(v1[4]==5); |
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CPPUNIT_ASSERT(v1[5]==5); |
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CPPUNIT_ASSERT(v1[6]==6); |
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CPPUNIT_ASSERT(v1[7]==7); |
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CPPUNIT_ASSERT(v1[8]==8); |
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CPPUNIT_ASSERT(v1[9]==6); |
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} |
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void NthElemTest::nthelem2() |
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{ |
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//4 5 4 2 1 7 4 3 1 6 |
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//6 7 4 4 5 4 3 2 1 1 |
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int numbers[10] = { 4, 5, 4, 2, 1, 7, 4, 3, 1, 6 }; |
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vector <int> v1(numbers, numbers+10); |
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nth_element(v1.begin(), v1.begin() + v1.size() / 2, v1.end(), greater<int>()); |
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CPPUNIT_ASSERT(v1[0]==6); |
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CPPUNIT_ASSERT(v1[1]==7); |
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CPPUNIT_ASSERT(v1[2]==4); |
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CPPUNIT_ASSERT(v1[3]==4); |
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CPPUNIT_ASSERT(v1[4]==5); |
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CPPUNIT_ASSERT(v1[5]==4); |
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CPPUNIT_ASSERT(v1[6]==3); |
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CPPUNIT_ASSERT(v1[7]==2); |
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CPPUNIT_ASSERT(v1[8]==1); |
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CPPUNIT_ASSERT(v1[9]==1); |
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} |