public void ZeroSizeTest()
{
using (var array = new MemoryMappedHugeArrayUInt32(
new MemoryMappedStream(new MemoryStream()), 0, 1024))
{
Assert.AreEqual(0, array.Length);
}
using (var array = new MemoryMappedHugeArrayUInt32(
new MemoryMappedStream(new MemoryStream()), 100, 1024))
{
array.Resize(0);
Assert.AreEqual(0, array.Length);
}
}
public void MemoryMappedHugeArrayResizeTests()
{
var randomGenerator = new RandomGenerator(66707770); // make this deterministic
using (var intArray = new MemoryMappedHugeArrayUInt32(new MemoryMappedStream(new MemoryStream()), 1000, 256))
{
var intArrayRef = new uint[1000];
for (uint idx = 0; idx < 1000; idx++)
{
if (randomGenerator.Generate(2.0) > 1)
{ // add data.
intArrayRef[idx] = idx;
intArray[idx] = idx;
}
else
{
intArrayRef[idx] = int.MaxValue;
intArray[idx] = int.MaxValue;
}
Assert.AreEqual(intArrayRef[idx], intArray[idx]);
}
Array.Resize <uint>(ref intArrayRef, 335);
intArray.Resize(335);
Assert.AreEqual(intArrayRef.Length, intArray.Length);
for (int idx = 0; idx < intArrayRef.Length; idx++)
{
Assert.AreEqual(intArrayRef[idx], intArray[idx]);
}
}
using (var intArray = new MemoryMappedHugeArrayUInt32(new MemoryMappedStream(new MemoryStream()), 1000, 256))
{
var intArrayRef = new uint[1000];
for (uint idx = 0; idx < 1000; idx++)
{
if (randomGenerator.Generate(2.0) > 1)
{ // add data.
intArrayRef[idx] = idx;
intArray[idx] = idx;
}
else
{
intArrayRef[idx] = int.MaxValue;
intArray[idx] = int.MaxValue;
}
Assert.AreEqual(intArrayRef[idx], intArray[idx]);
}
Array.Resize <uint>(ref intArrayRef, 1235);
var oldSize = intArray.Length;
intArray.Resize(1235);
// huge array is not initialized.
for (long idx = oldSize; idx < intArray.Length; idx++)
{
intArray[idx] = 0;
}
Assert.AreEqual(intArrayRef.Length, intArray.Length);
for (int idx = 0; idx < intArrayRef.Length; idx++)
{
Assert.AreEqual(intArrayRef[idx], intArray[idx], string.Format("Array element not equal at index: {0}. Expected {1}, found {2}",
idx, intArray[idx], intArrayRef[idx]));
}
}
}
public void MemoryMappedHugeArrayResizeTests()
{
var randomGenerator = new RandomGenerator(66707770); // make this deterministic
using (var intArray = new MemoryMappedHugeArrayUInt32(new MemoryMappedStream(new MemoryStream()), 1000, 256))
{
var intArrayRef = new uint[1000];
for (uint idx = 0; idx < 1000; idx++)
{
if (randomGenerator.Generate(2.0) > 1)
{ // add data.
intArrayRef[idx] = idx;
intArray[idx] = idx;
}
else
{
intArrayRef[idx] = int.MaxValue;
intArray[idx] = int.MaxValue;
}
Assert.AreEqual(intArrayRef[idx], intArray[idx]);
}
Array.Resize<uint>(ref intArrayRef, 335);
intArray.Resize(335);
Assert.AreEqual(intArrayRef.Length, intArray.Length);
for (int idx = 0; idx < intArrayRef.Length; idx++)
{
Assert.AreEqual(intArrayRef[idx], intArray[idx]);
}
}
using (var intArray = new MemoryMappedHugeArrayUInt32(new MemoryMappedStream(new MemoryStream()), 1000, 256))
{
var intArrayRef = new uint[1000];
for (uint idx = 0; idx < 1000; idx++)
{
if (randomGenerator.Generate(2.0) > 1)
{ // add data.
intArrayRef[idx] = idx;
intArray[idx] = idx;
}
else
{
intArrayRef[idx] = int.MaxValue;
intArray[idx] = int.MaxValue;
}
Assert.AreEqual(intArrayRef[idx], intArray[idx]);
}
Array.Resize<uint>(ref intArrayRef, 1235);
var oldSize = intArray.Length;
intArray.Resize(1235);
// huge array is not initialized.
for (long idx = oldSize; idx < intArray.Length;idx++)
{
intArray[idx] = 0;
}
Assert.AreEqual(intArrayRef.Length, intArray.Length);
for (int idx = 0; idx < intArrayRef.Length; idx++)
{
Assert.AreEqual(intArrayRef[idx], intArray[idx], string.Format("Array element not equal at index: {0}. Expected {1}, found {2}",
idx, intArray[idx], intArrayRef[idx]));
}
}
}
public void ZeroSizeTest()
{
using (var array = new MemoryMappedHugeArrayUInt32(
new MemoryMappedStream(new MemoryStream()), 0, 1024))
{
Assert.AreEqual(0, array.Length);
}
using (var array = new MemoryMappedHugeArrayUInt32(
new MemoryMappedStream(new MemoryStream()), 100, 1024))
{
array.Resize(0);
Assert.AreEqual(0, array.Length);
}
}
