31
|
1 |
/*
|
|
2 |
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
3 |
* All rights reserved.
|
|
4 |
* This component and the accompanying materials are made available
|
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
6 |
* which accompanies this distribution, and is available
|
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
8 |
*
|
|
9 |
* Initial Contributors:
|
|
10 |
* Nokia Corporation - initial contribution.
|
|
11 |
*
|
|
12 |
* Contributors:
|
|
13 |
*
|
|
14 |
* Description:
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
#include <numeric>
|
|
18 |
#include <vector>
|
|
19 |
#include <algorithm>
|
|
20 |
|
|
21 |
#include "iota.h"
|
|
22 |
#include "cppunit/cppunit_proxy.h"
|
|
23 |
|
|
24 |
#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
|
|
25 |
using namespace std;
|
|
26 |
#endif
|
|
27 |
|
|
28 |
//
|
|
29 |
// TestCase class
|
|
30 |
//
|
|
31 |
class RndShuffleTest : public CPPUNIT_NS::TestCase
|
|
32 |
{
|
|
33 |
class MyRandomGenerator
|
|
34 |
{
|
|
35 |
public:
|
|
36 |
unsigned long operator()(unsigned long n_)
|
|
37 |
{
|
|
38 |
return rand() % n_;
|
|
39 |
}
|
|
40 |
};
|
|
41 |
CPPUNIT_TEST_SUITE(RndShuffleTest);
|
|
42 |
CPPUNIT_TEST(rndshuf0);
|
|
43 |
CPPUNIT_TEST(rndshuf2);
|
|
44 |
CPPUNIT_TEST_SUITE_END();
|
|
45 |
|
|
46 |
protected:
|
|
47 |
void rndshuf0();
|
|
48 |
void rndshuf2();
|
|
49 |
};
|
|
50 |
|
|
51 |
CPPUNIT_TEST_SUITE_REGISTRATION(RndShuffleTest);
|
|
52 |
|
|
53 |
//
|
|
54 |
// tests implementation
|
|
55 |
//
|
|
56 |
void RndShuffleTest::rndshuf0()
|
|
57 |
{
|
|
58 |
int numbers[6] = { 1, 2, 3, 4, 5, 6 };
|
|
59 |
|
|
60 |
random_shuffle(numbers, numbers + 6);
|
|
61 |
|
|
62 |
CPPUNIT_ASSERT(count(numbers, numbers+6, 1)==1);
|
|
63 |
CPPUNIT_ASSERT(count(numbers, numbers+6, 2)==1);
|
|
64 |
CPPUNIT_ASSERT(count(numbers, numbers+6, 3)==1);
|
|
65 |
CPPUNIT_ASSERT(count(numbers, numbers+6, 4)==1);
|
|
66 |
CPPUNIT_ASSERT(count(numbers, numbers+6, 5)==1);
|
|
67 |
CPPUNIT_ASSERT(count(numbers, numbers+6, 6)==1);
|
|
68 |
}
|
|
69 |
void RndShuffleTest::rndshuf2()
|
|
70 |
{
|
|
71 |
vector <int> v1(10);
|
|
72 |
__iota(v1.begin(), v1.end(), 0);
|
|
73 |
|
|
74 |
MyRandomGenerator r;
|
|
75 |
for(int i = 0; i < 3; i++)
|
|
76 |
{
|
|
77 |
random_shuffle(v1.begin(), v1.end(), r);
|
|
78 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 0)==1);
|
|
79 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 1)==1);
|
|
80 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 2)==1);
|
|
81 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 3)==1);
|
|
82 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 4)==1);
|
|
83 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 5)==1);
|
|
84 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 6)==1);
|
|
85 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 7)==1);
|
|
86 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 8)==1);
|
|
87 |
CPPUNIT_ASSERT(count(v1.begin(), v1.end(), 9)==1);
|
|
88 |
}
|
|
89 |
}
|