private CachedArray InitCachedIArray(string arrayName, int elementSize, int userHeaderSize, int cacheSize)
{
CachedArray cache;
try
{
cache = new CachedArray(arrayName, elementSize, userHeaderSize, cacheSize);
}
catch (FileNameConflictException)
{
cache = new CachedArray(arrayName);
cache.Delete();
cache = new CachedArray(arrayName, elementSize, userHeaderSize, cacheSize);
}
return cache;
}
private static void GetPutUserHeaderSizeTestAssert(byte[] uHeader, CachedArray cache)
{
cache.PutUserHeader(uHeader);
byte[] actual = cache.GetUserHeader();
TestHelper.AssertByteArraysAreSame(uHeader, actual);
}
private static void PutGetTestAssert(byte[] bytes, int elementIdx, CachedArray cache)
{
cache.Put(elementIdx, bytes);
byte[] actual = cache.Get(elementIdx);
TestHelper.AssertByteArraysAreSame(bytes, actual);
}
public void ReopenTest()
{
string arrayName = "ReopenCachedArrayTest";
const int elementSize = 10;
const int userHeaderSize = 4;
const int cacheSize = 15;
CachedArray cache = InitCachedIArray(arrayName, elementSize, userHeaderSize, cacheSize);
try
{
int index1 = 4;
byte[] bytes1 = new byte[]{1,2,3,4,5,6,7,8,9,0};
cache.Put(index1, bytes1);
int index2 = 5;
byte[] bytes2 = new byte[] { 255,254,253,252,251,250,249,248,247,246 };
cache.Put(index2, bytes2);
cache.Close();
cache = new CachedArray(arrayName);
Assert.AreEqual(elementSize, cache.GetElementSize());
Assert.AreEqual(userHeaderSize, cache.GetUserHeaderSize());
Assert.AreEqual(cacheSize, cache.GetCacheSize());
TestHelper.AssertByteArraysAreSame(bytes1, cache.Get(index1));
TestHelper.AssertByteArraysAreSame(bytes2, cache.Get(index2));
}
finally
{
cache.Close();
}
}