1 #include "XORCloser.h"
2 #include "Exception.h"
3 #include "util.h"
4 #include "DHTNodeLookupEntry.h"
5 #include "DHTNode.h"
6 #include <cstring>
7 #include <algorithm>
8 #include <cppunit/extensions/HelperMacros.h>
9
10 namespace aria2 {
11
12 class XORCloserTest : public CppUnit::TestFixture {
13
14 CPPUNIT_TEST_SUITE(XORCloserTest);
15 CPPUNIT_TEST(testOperator);
16 CPPUNIT_TEST_SUITE_END();
17
18 public:
setUp()19 void setUp() {}
20
tearDown()21 void tearDown() {}
22
23 void testOperator();
24 };
25
26 CPPUNIT_TEST_SUITE_REGISTRATION(XORCloserTest);
27
testOperator()28 void XORCloserTest::testOperator()
29 {
30 const size_t NUM_KEY = 6;
31 unsigned char keys[NUM_KEY][DHT_ID_LENGTH];
32 memset(keys, 0, 6 * DHT_ID_LENGTH);
33
34 keys[0][0] = 0xf0;
35 keys[1][0] = 0xb0;
36 keys[2][0] = 0xa0;
37 keys[3][0] = 0x80;
38 keys[4][0] = 0x00;
39 keys[4][DHT_ID_LENGTH - 1] = 0x01;
40 keys[5][0] = 0x00;
41
42 std::deque<unsigned char*> l(&keys[0], &keys[NUM_KEY]);
43
44 std::sort(l.begin(), l.end(), XORCloser(keys[2], DHT_ID_LENGTH));
45
46 CPPUNIT_ASSERT(memcmp(keys[2], l[0], DHT_ID_LENGTH) == 0);
47 CPPUNIT_ASSERT(memcmp(keys[1], l[1], DHT_ID_LENGTH) == 0);
48 CPPUNIT_ASSERT(memcmp(keys[3], l[2], DHT_ID_LENGTH) == 0);
49 CPPUNIT_ASSERT(memcmp(keys[0], l[3], DHT_ID_LENGTH) == 0);
50 CPPUNIT_ASSERT(memcmp(keys[5], l[4], DHT_ID_LENGTH) == 0);
51 CPPUNIT_ASSERT(memcmp(keys[4], l[5], DHT_ID_LENGTH) == 0);
52 }
53
54 } // namespace aria2
55