public void WriteWordTest2_Sequential()
{
ICacheController <int> cacheController = CreateController();
int i = 0;
do
{
// write -> read
string s = string.Format("1st{0:000}", i);
Word word = new Word(i, Convert(s));
cacheController.WriteWord(i, word);
Word wordBack = cacheController.ReadWord(i);
Assert.AreEqual(word.Tag, wordBack.Tag);
Assert.IsTrue(word.Buffer.SequenceEqual(wordBack.Buffer));
// update -> read
s = string.Format("2nd{0:000}", i);
Word wordSecond = new Word(i, Convert(s));
cacheController.WriteWord(i, wordSecond);
Word wordBackSecond = cacheController.ReadWord(i);
Assert.AreEqual(wordSecond.Tag, wordBackSecond.Tag);
} while (!databaseStorage_.EOF(++i));
}
static void Main(string[] args)
{
ICacheController <int> cacheController = CreateController();
// write -> read
byte[] bytes42 = Encoding.ASCII.GetBytes("first42");
byte[] bytes43 = Encoding.ASCII.GetBytes("first43");
Word word42 = new Word(42, bytes42);
Word word43 = new Word(43, bytes43);
cacheController.WriteWord(42, word42);
Word wordBack42 = cacheController.ReadWord(42);
cacheController.WriteWord(43, word43);
Word wordBack43 = cacheController.ReadWord(43);
// update -> read
byte[] byteSecond42 = Encoding.ASCII.GetBytes("second42");
byte[] byteSecond43 = Encoding.ASCII.GetBytes("second43");
Word wordSecond42 = new Word(42, bytes42);
Word wordSecond43 = new Word(43, bytes43);
cacheController.WriteWord(42, word42);
Word wordBackSecond42 = cacheController.ReadWord(42);
cacheController.WriteWord(43, word43);
Word wordBackSecond43 = cacheController.ReadWord(43);
}
public void ReadWordTest3_Sequential()
{
ICacheController <int> cacheController = CreateController();
// if line consists from n words then word0...wordn-1 will be not chached when word0 requested first time
// but subsequent reading of word1..wordn-1 will hit
for (int i = kMinSequentialUserID; i <= kMaxSequentialUserID; ++i)
{
Word word = cacheController.ReadWord(i);
if (i % kWordsInLine == 1)
{
Assert.AreEqual(word.isCached, false); // miss for word0
}
else
{
Assert.AreEqual(word.isCached, true); // hit for word1..wordn-1
}
}
Word word291 = cacheController.ReadWord(291);
Assert.IsTrue(word291.IsEmpty);
Word word999 = cacheController.ReadWord(999);
Assert.AreEqual(word999.isCached, true);
}
public void ReadWordTest4_Sequential()
{
ICacheController <int> cacheController = CreateController();
int i = 0;
do
{
Word word = cacheController.ReadWord(i);
if (word.IsEmpty)
{
continue;
}
if (i % kWordsInLine == 1)
{
Assert.AreEqual(word.isCached, false); // miss
word = cacheController.ReadWord(i);
Assert.AreEqual(word.isCached, true); // hit second time
}
else
{
Assert.AreEqual(word.isCached, true); // hit
}
} while (!databaseStorage_.EOF(++i));
}
public void ReadWordTest2_Sequential()
{
ICacheController <int> cacheController = CreateController();
int i = 0;
do
{
Word word = cacheController.ReadWord(i);
Word wordHit = cacheController.ReadWord(i); // read hit second time for the same word
if (!wordHit.IsEmpty)
{
Assert.AreEqual(word.Tag, wordHit.Tag);
}
} while (!databaseStorage_.EOF(++i));
}
public void ReadWordTest1_SelectedTags()
{
ICacheController <int> cacheController = CreateController();
Word word42 = cacheController.ReadWord(42);
Word word42Hit = cacheController.ReadWord(42); // read hit
Assert.AreEqual(word42.Tag, word42Hit.Tag);
Assert.AreEqual(word42Hit.isCached, true);
Word word = cacheController.ReadWord(43);
Word wordHit = cacheController.ReadWord(43); // read hit
Assert.AreEqual(word.Tag, wordHit.Tag);
Assert.AreEqual(wordHit.isCached, true);
}
public void WriteWordTest1_SelectedTags()
{
ICacheController <int> cacheController = CreateController();
// write -> read
byte[] bytes42 = Encoding.ASCII.GetBytes("first42");
byte[] bytes43 = Encoding.ASCII.GetBytes("first43");
Word word42 = new Word(42, bytes42);
Word word43 = new Word(43, bytes43);
cacheController.WriteWord(42, word42);
Word wordBack42 = cacheController.ReadWord(42);
Assert.AreEqual(word42.Tag, wordBack42.Tag);
cacheController.WriteWord(43, word43);
Word wordBack43 = cacheController.ReadWord(43);
Assert.AreEqual(word43.Tag, wordBack43.Tag);
// update -> read
byte[] byteSecond42 = Encoding.ASCII.GetBytes("second42");
byte[] byteSecond43 = Encoding.ASCII.GetBytes("second43");
Word wordSecond42 = new Word(42, bytes42);
Word wordSecond43 = new Word(43, bytes43);
cacheController.WriteWord(42, word42);
Word wordBackSecond42 = cacheController.ReadWord(42);
Assert.AreEqual(word42.Tag, wordBackSecond42.Tag);
cacheController.WriteWord(43, word43);
Word wordBackSecond43 = cacheController.ReadWord(43);
Assert.AreEqual(word43.Tag, wordBackSecond43.Tag);
}
public void ReadWordTest5_FirstRepresentativeZero()
{
ICacheController <int> cacheController = CreateController();
int linesPerSet_Mod = (int)Math.Pow(2, kLinesDegree) / kNumberOfWays;;
// iterate throug all members of class [0] = Z linesPerSet_Mod = Z mod linesPerSet_Mod
// rep = representative
int rep = kMinSequentialUserID;
for (int c = 0, tag = rep + linesPerSet_Mod * c;
tag <= kMaxSequentialUserID;
++c, tag = rep + linesPerSet_Mod * c)
{
Word word = cacheController.ReadWord(tag);
Assert.AreEqual(word.SetIndex, c % kNumberOfWays);
}
}
public void ReadWordTest6_AllRepresentatives()
{
ICacheController <int> cacheController = CreateController();
int linesPerSet_Mod = (int)Math.Pow(2, kLinesDegree) / kNumberOfWays;
// iterate throug all representatives of ring (Z mod linesPerSet_Mod): [0], [1], ..., [linesPerSet_Mod - 1]
// rep = representative
for (int rep = kMinSequentialUserID; rep < linesPerSet_Mod; ++rep)
{
// iterate throug all members of class [a] = Z linesPerSet_Mod = Z mod linesPerSet_Mod
// [a] = {x: z mod linesPerSet_Mod == a, z E Z}
for (int c = 0, tag = rep + linesPerSet_Mod * c;
tag <= kMaxSequentialUserID;
++c, tag = rep + linesPerSet_Mod * c)
{
Word word = cacheController.ReadWord(tag);
Assert.AreEqual(word.SetIndex, c % kNumberOfWays);
}
}
}
