genericopenlibs/cppstdlib/stl/test/unit/queue_test.cpp
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     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <vector>
       
    17 #include <algorithm>
       
    18 #include <list>
       
    19 #include <deque>
       
    20 #include <queue>
       
    21 #include <e32std.h>
       
    22 
       
    23 #include "cppunit/cppunit_proxy.h"
       
    24 
       
    25 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
       
    26 using namespace std;
       
    27 #endif
       
    28 
       
    29 //
       
    30 // TestCase class
       
    31 //
       
    32 class QueueTest : public CPPUNIT_NS::TestCase
       
    33 {
       
    34   CPPUNIT_TEST_SUITE(QueueTest);
       
    35   CPPUNIT_TEST(pqueue1);
       
    36   CPPUNIT_TEST(queue1);
       
    37   CPPUNIT_TEST(queue_cov);
       
    38   CPPUNIT_TEST(pqueue_cov1);
       
    39   CPPUNIT_TEST(pqueue_cov2);
       
    40   CPPUNIT_TEST_SUITE_END();
       
    41 
       
    42 protected:
       
    43   void pqueue1();
       
    44   void queue1();
       
    45   void queue_cov();
       
    46   void pqueue_cov1();
       
    47   void pqueue_cov2();
       
    48 };
       
    49 
       
    50 CPPUNIT_TEST_SUITE_REGISTRATION(QueueTest);
       
    51 
       
    52 //
       
    53 // tests implementation
       
    54 //
       
    55 void QueueTest::pqueue1()
       
    56 {
       
    57   priority_queue<int, deque<int>, less<int> > q;
       
    58   q.push(42);
       
    59   q.push(101);
       
    60   q.push(69);
       
    61 
       
    62   CPPUNIT_ASSERT( q.top()==101 );
       
    63   q.pop();
       
    64   CPPUNIT_ASSERT( q.top()==69 );
       
    65   q.pop();
       
    66   CPPUNIT_ASSERT( q.top()==42 );
       
    67   q.pop();
       
    68 
       
    69   CPPUNIT_ASSERT(q.empty());
       
    70 }
       
    71 void QueueTest::queue1()
       
    72 {
       
    73   queue<int, list<int> > q;
       
    74   q.push(42);
       
    75   q.push(101);
       
    76   q.push(69);
       
    77 
       
    78   CPPUNIT_ASSERT( q.front()==42 );
       
    79   q.pop();
       
    80   CPPUNIT_ASSERT( q.front()==101 );
       
    81   q.pop();
       
    82   CPPUNIT_ASSERT( q.front()==69 );
       
    83   q.pop();
       
    84 
       
    85   CPPUNIT_ASSERT(q.empty());
       
    86 }
       
    87 void QueueTest::queue_cov()
       
    88 	{
       
    89 	__UHEAP_MARK;
       
    90 		{
       
    91 		queue<int, list<int> > q;
       
    92 		q.push(42);
       
    93 		q.push(101);
       
    94 		q.push(69);
       
    95 
       
    96 		CPPUNIT_ASSERT( q.size()==3 );
       
    97 		q.pop();
       
    98 		CPPUNIT_ASSERT( q.size()==2 );
       
    99 		q.pop();
       
   100 		CPPUNIT_ASSERT( q.size()==1 );
       
   101 		q.pop();
       
   102 
       
   103 		CPPUNIT_ASSERT(q.empty());
       
   104 		}
       
   105 		{
       
   106 		queue<int, list<int> > q;
       
   107 		q.push(42);
       
   108 		q.push(101);
       
   109 		q.push(69);
       
   110 		CPPUNIT_ASSERT(q.back() == 69);
       
   111 		}
       
   112 		{
       
   113 		queue<int> myqueue;
       
   114 		queue<int> const& cv = myqueue;
       
   115 		myqueue.push(77);
       
   116 		myqueue.push(16);	
       
   117 		CPPUNIT_ASSERT(cv.front() == 77);
       
   118 		CPPUNIT_ASSERT(cv.back() == 16);
       
   119 		}
       
   120 		 __UHEAP_MARKEND;
       
   121 	 }
       
   122 void QueueTest::pqueue_cov1()
       
   123 	{
       
   124 	__UHEAP_MARK;
       
   125 		{
       
   126 		priority_queue<int> pq;
       
   127 		pq.push(42);
       
   128 		pq.push(101);
       
   129 		pq.push(69);
       
   130 
       
   131 		CPPUNIT_ASSERT( pq.size()==3 );
       
   132 		pq.pop();
       
   133 		CPPUNIT_ASSERT( pq.size()==2 );
       
   134 		pq.pop();
       
   135 		CPPUNIT_ASSERT( pq.size()==1 );
       
   136 		pq.pop();
       
   137 		CPPUNIT_ASSERT(pq.empty());
       
   138 		}
       
   139 		{
       
   140 		queue<int> myqueue;
       
   141 		queue<int> myqueue1;
       
   142 		bool flag;
       
   143 		
       
   144 		myqueue.push(77);
       
   145 		myqueue.push(16);	
       
   146 		myqueue1.push(77);
       
   147 		myqueue1.push(17);	
       
   148 		flag = myqueue < myqueue1;
       
   149 		CPPUNIT_ASSERT(flag == true);
       
   150 		}	
       
   151 		{
       
   152 		queue<int> myqueue;
       
   153 		queue<int> myqueue1;
       
   154 		bool flag;
       
   155 		
       
   156 		myqueue.push(77);
       
   157 		myqueue.push(16);	
       
   158 		myqueue1.push(77);
       
   159 		myqueue1.push(16);	
       
   160 		flag = (myqueue == myqueue1);
       
   161 		CPPUNIT_ASSERT(flag == true);
       
   162 		}	
       
   163 		 __UHEAP_MARKEND;
       
   164 	}
       
   165 void QueueTest::pqueue_cov2()
       
   166 	{
       
   167 	__UHEAP_MARK;
       
   168 	int myints[]= {10,60,50,20};
       
   169 	priority_queue<int> first;
       
   170 	priority_queue<int> second (myints,myints+3);
       
   171 	priority_queue< int, vector<int>, greater<int> > third (myints,myints+3);
       
   172 	CPPUNIT_ASSERT(first.empty() == true);
       
   173 	CPPUNIT_ASSERT(second.size() == 3);
       
   174 	CPPUNIT_ASSERT(third.top() == 10);
       
   175 	third.pop();
       
   176 	CPPUNIT_ASSERT(third.top() == 50);
       
   177 	third.pop();
       
   178 	CPPUNIT_ASSERT(third.top() == 60);
       
   179 	 __UHEAP_MARKEND;
       
   180 	}