libs/taglib/tests/test_bytevector.cpp

   1 /* Copyright (C) 2003 Scott Wheeler <wheeler@kde.org>
   2  *
   3  * Redistribution and use in source and binary forms, with or without
   4  * modification, are permitted provided that the following conditions
   5  * are met:
   6  *
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #include <cppunit/extensions/HelperMacros.h>
  26 #include <tbytevector.h>
  27 #include <tbytevectorlist.h>
  28
  29 using namespace std;
  30 using namespace TagLib;
  31
  32 class TestByteVector : public CppUnit::TestFixture
  33 {
  34   CPPUNIT_TEST_SUITE(TestByteVector);
  35   CPPUNIT_TEST(testByteVector);
  36   CPPUNIT_TEST(testFind1);
  37   CPPUNIT_TEST(testFind2);
  38   CPPUNIT_TEST(testRfind1);
  39   CPPUNIT_TEST(testRfind2);
  40   CPPUNIT_TEST_SUITE_END();
  41
  42 public:
  43
  44   void testConversion(unsigned int i, unsigned char a, unsigned char b, unsigned char c, unsigned char d)
  45   {
  46     ByteVector v(4, 0);
  47
  48     v[3] = a;
  49     v[2] = b;
  50     v[1] = c;
  51     v[0] = d;
  52     CPPUNIT_ASSERT(v.toUInt(false) == i);
  53
  54     v[0] = a;
  55     v[1] = b;
  56     v[2] = c;
  57     v[3] = d;
  58     CPPUNIT_ASSERT(v.toUInt() == i);
  59   }
  60
  61   void testByteVector()
  62   {
  63     ByteVector v("foobar");
  64
  65     CPPUNIT_ASSERT(v.find("ob") == 2);
  66     CPPUNIT_ASSERT(v.find('b') == 3);
  67
  68     ByteVector n(4, 0);
  69     n[0] = 1;
  70     CPPUNIT_ASSERT(n.toUInt(true) == 16777216);
  71     CPPUNIT_ASSERT(n.toUInt(false) == 1);
  72     CPPUNIT_ASSERT(ByteVector::fromUInt(16777216, true) == n);
  73     CPPUNIT_ASSERT(ByteVector::fromUInt(1, false) == n);
  74
  75     CPPUNIT_ASSERT(ByteVector::fromUInt(0xa0).toUInt() == 0xa0);
  76
  77     testConversion(0x000000a0, 0x00, 0x00, 0x00, 0xa0);
  78     testConversion(0xd50bf072, 0xd5, 0x0b, 0xf0, 0x72);
  79
  80     ByteVector intVector(2, 0);
  81     intVector[0] = char(0xfc);
  82     intVector[1] = char(0x00);
  83     CPPUNIT_ASSERT(intVector.toShort() == -1024);
  84     intVector[0] = char(0x04);
  85     intVector[1] = char(0x00);
  86     CPPUNIT_ASSERT(intVector.toShort() == 1024);
  87
  88     CPPUNIT_ASSERT(ByteVector::fromLongLong(1).toLongLong() == 1);
  89     CPPUNIT_ASSERT(ByteVector::fromLongLong(0).toLongLong() == 0);
  90     CPPUNIT_ASSERT(ByteVector::fromLongLong(0xffffffffffffffffLL).toLongLong() == -1);
  91     CPPUNIT_ASSERT(ByteVector::fromLongLong(0xfffffffffffffffeLL).toLongLong() == -2);
  92     CPPUNIT_ASSERT(ByteVector::fromLongLong(1024).toLongLong() == 1024);
  93
  94     ByteVector a1("foo");
  95     a1.append("bar");
  96     CPPUNIT_ASSERT(a1 == "foobar");
  97
  98     ByteVector a2("foo");
  99     a2.append("b");
 100     CPPUNIT_ASSERT(a2 == "foob");
 101
 102     ByteVector a3;
 103     a3.append("b");
 104     CPPUNIT_ASSERT(a3 == "b");
 105
 106     ByteVector s1("foo");
 107     CPPUNIT_ASSERT(ByteVectorList::split(s1, " ").size() == 1);
 108
 109     ByteVector s2("f");
 110     CPPUNIT_ASSERT(ByteVectorList::split(s2, " ").size() == 1);
 111
 112
 113     CPPUNIT_ASSERT(ByteVector().size() == 0);
 114     CPPUNIT_ASSERT(ByteVector("asdf").clear().size() == 0);
 115     CPPUNIT_ASSERT(ByteVector("asdf").clear() == ByteVector());
 116   }
 117
 118   void testFind1()
 119   {
 120     CPPUNIT_ASSERT_EQUAL(4, ByteVector("....SggO."). find("SggO"));
 121     CPPUNIT_ASSERT_EQUAL(4, ByteVector("....SggO."). find("SggO", 0));
 122     CPPUNIT_ASSERT_EQUAL(4, ByteVector("....SggO."). find("SggO", 1));
 123     CPPUNIT_ASSERT_EQUAL(4, ByteVector("....SggO."). find("SggO", 2));
 124     CPPUNIT_ASSERT_EQUAL(4, ByteVector("....SggO."). find("SggO", 3));
 125     CPPUNIT_ASSERT_EQUAL(4, ByteVector("....SggO."). find("SggO", 4));
 126     CPPUNIT_ASSERT_EQUAL(-1, ByteVector("....SggO."). find("SggO", 5));
 127     CPPUNIT_ASSERT_EQUAL(-1, ByteVector("....SggO."). find("SggO", 6));
 128     CPPUNIT_ASSERT_EQUAL(-1, ByteVector("....SggO."). find("SggO", 7));
 129     CPPUNIT_ASSERT_EQUAL(-1, ByteVector("....SggO."). find("SggO", 8));
 130   }
 131
 132   void testFind2()
 133   {
 134     CPPUNIT_ASSERT_EQUAL(0, ByteVector("\x01", 1).find("\x01"));
 135     CPPUNIT_ASSERT_EQUAL(0, ByteVector("\x01\x02", 2).find("\x01\x02"));
 136     CPPUNIT_ASSERT_EQUAL(-1, ByteVector("\x01", 1).find("\x02"));
 137     CPPUNIT_ASSERT_EQUAL(-1, ByteVector("\x01\x02", 2).find("\x01\x03"));
 138   }
 139
 140   void testRfind1()
 141   {
 142     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 0));
 143     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 1));
 144     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 2));
 145     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 3));
 146     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 4));
 147     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 5));
 148     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 6));
 149     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 7));
 150     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS", 8));
 151     CPPUNIT_ASSERT_EQUAL(1, ByteVector(".OggS....").rfind("OggS"));
 152   }
 153
 154   void testRfind2()
 155   {
 156     ByteVector r0("**************");
 157     ByteVector r1("OggS**********");
 158     ByteVector r2("**********OggS");
 159     ByteVector r3("OggS******OggS");
 160     ByteVector r4("OggS*OggS*OggS");
 161
 162     CPPUNIT_ASSERT_EQUAL(-1, r0.find("OggS"));
 163     CPPUNIT_ASSERT_EQUAL(-1, r0.rfind("OggS"));
 164     CPPUNIT_ASSERT_EQUAL(0, r1.find("OggS"));
 165     CPPUNIT_ASSERT_EQUAL(0, r1.rfind("OggS"));
 166     CPPUNIT_ASSERT_EQUAL(10, r2.find("OggS"));
 167     CPPUNIT_ASSERT_EQUAL(10, r2.rfind("OggS"));
 168     CPPUNIT_ASSERT_EQUAL(0, r3.find("OggS"));
 169     CPPUNIT_ASSERT_EQUAL(10, r3.rfind("OggS"));
 170     CPPUNIT_ASSERT_EQUAL(10, r4.rfind("OggS"));
 171     CPPUNIT_ASSERT_EQUAL(10, r4.rfind("OggS", 0));
 172     CPPUNIT_ASSERT_EQUAL(5, r4.rfind("OggS", 7));
 173     CPPUNIT_ASSERT_EQUAL(10, r4.rfind("OggS", 12));
 174   }
 175
 176 };
 177
 178 CPPUNIT_TEST_SUITE_REGISTRATION(TestByteVector);