public void TestUpdateBlockToBiggerSize ()
{
var recordStorage = new RecordStorage (new BlockStorage(new MemoryStream(), 8192, 48));
var x1 = UnitTestHelper.RandomData(2491);
var x2 = UnitTestHelper.RandomData(9182);
var x3 = UnitTestHelper.RandomData(5182);
recordStorage.Create (x1); // Use 1 block
recordStorage.Create (x2); // Use 2 blocks
recordStorage.Create (x3); // Use 1 block
var x2u = UnitTestHelper.RandomData (8192 * 2 + 19); // Use 3 block, so this record should be extended
recordStorage.Update (2, x2u);
Assert.IsTrue (recordStorage.Find (1).SequenceEqual (x1));
Assert.IsTrue (recordStorage.Find (2).SequenceEqual (x2u));
Assert.IsTrue (recordStorage.Find (4).SequenceEqual (x3));
}
public void TestUpdateEqualSizeBlock ()
{
var recordStorage = new RecordStorage (new BlockStorage(new MemoryStream(), 8192, 48));
var x1 = UnitTestHelper.RandomData(2491);
var x2 = UnitTestHelper.RandomData(9182);
var x3 = UnitTestHelper.RandomData(5182);
recordStorage.Create (x1); // Use 1 block
recordStorage.Create (x2); // Use 2 blocks
recordStorage.Create (x3); // Use 1 block
var x2u = UnitTestHelper.RandomData (9177); // Use 2 blocks, still
recordStorage.Update (2, x2u);
Assert.IsTrue (recordStorage.Find (1).SequenceEqual (x1));
Assert.IsTrue (recordStorage.Find (2).SequenceEqual (x2u));
Assert.IsTrue (recordStorage.Find (4).SequenceEqual (x3));
}
public void TestUpdateBlockToSmallerSize ()
{
var recordStorage = new RecordStorage (new BlockStorage(new MemoryStream(), 8192, 48));
var x1 = UnitTestHelper.RandomData(2491);
var x2 = UnitTestHelper.RandomData(9182);
var x3 = UnitTestHelper.RandomData(5182);
recordStorage.Create (x1); // Use 1 block
recordStorage.Create (x2); // Use 2 blocks
recordStorage.Create (x3); // Use 1 block
var x2u = UnitTestHelper.RandomData (1177); // Use 1 block, so this record should be truncated
recordStorage.Update (2, x2u);
Assert.IsTrue (recordStorage.Find (1).SequenceEqual (x1));
Assert.IsTrue (recordStorage.Find (2).SequenceEqual (x2u));
Assert.IsTrue (recordStorage.Find (4).SequenceEqual (x3));
Assert.IsTrue (recordStorage.Create(UnitTestHelper.RandomData(10)) == 3); // Check if block #3 being reused
}