public void Test() {
byte[] buf1 = new byte[20];
for (int i = 0; i <= 18; i++)
{
buf1[i] = 0x00;
}
buf1[19] = 0x0A;
AHAddress test_address_1 = new AHAddress( MemBlock.Reference(buf1, 0, buf1.Length) );
byte[] buf2 = new byte[20];
for (int i = 0; i <= 18; i++) {
buf2[i] = 0xFF;
}
buf2[19] = 0xFE;
AHAddress test_address_2 = new AHAddress( MemBlock.Reference(buf2, 0, buf2.Length) );
//test_address_1 is to the left of test_address_2
//because it only a few steps in the clockwise direction:
Assert.IsTrue( test_address_1.IsLeftOf( test_address_2 ), "IsLeftOf");
Assert.IsTrue( test_address_2.IsRightOf( test_address_1 ), "IsRightOf");
//This distance is twelve:
Assert.AreEqual( test_address_2.DistanceTo( test_address_1),
new BigInteger(12), "DistanceTo");
Assert.IsTrue( test_address_1.CompareTo(test_address_2) < 0, "CompareTo");
Assert.IsTrue( test_address_2.CompareTo(test_address_1) > 0, "CompareTo");
byte[] buf3 = new byte[Address.MemSize];
test_address_2.CopyTo(buf3);
AHAddress test3 = new AHAddress(MemBlock.Reference(buf3,0,buf3.Length));
Assert.IsTrue( test3.CompareTo( test_address_2 ) == 0 , "CompareTo");
Assert.IsTrue( test3.CompareTo( test3 ) == 0, "CompareTo");
//As long as the address does not wrap around, adding should increase it:
AHAddress a4 = new AHAddress( test_address_1.ToBigInteger() + 100 );
Assert.IsTrue( a4.CompareTo( test_address_1 ) > 0, "adding increases");
Assert.IsTrue( a4.CompareTo( test_address_2 ) < 0, "smaller than biggest");
//Here are some consistency tests:
for( int i = 0; i < 1000; i++) {
System.Random r = new Random();
byte[] b1 = new byte[Address.MemSize];
r.NextBytes(b1);
//Make sure it is class 0:
Address.SetClass(b1, 0);
byte[] b2 = new byte[Address.MemSize];
r.NextBytes(b2);
//Make sure it is class 0:
Address.SetClass(b2, 0);
byte[] b3 = new byte[Address.MemSize];
r.NextBytes(b3);
//Make sure it is class 0:
Address.SetClass(b3, 0);
AHAddress a5 = new AHAddress( MemBlock.Reference(b1,0,b1.Length) );
AHAddress a6 = new AHAddress( MemBlock.Reference(b2,0,b2.Length) );
AHAddress a7 = new AHAddress( MemBlock.Reference(b3,0,b3.Length) );
Assert.IsTrue( a5.CompareTo(a6) == -1 * a6.CompareTo(a5), "consistency");
//Nothing is between the same address:
Assert.IsFalse( a5.IsBetweenFromLeft(a6, a6), "Empty Between Left");
Assert.IsFalse( a5.IsBetweenFromRight(a7, a7), "Empty Between Right");
//Endpoints are not between:
Assert.IsFalse( a6.IsBetweenFromLeft(a6, a7), "End point Between Left");
Assert.IsFalse( a6.IsBetweenFromRight(a6, a7), "End point Between Right");
Assert.IsFalse( a7.IsBetweenFromLeft(a6, a7), "End point Between Left");
Assert.IsFalse( a7.IsBetweenFromRight(a6, a7), "End point Between Right");
if ( a5.IsBetweenFromLeft(a6, a7) ) {
//Then the following must be true:
Assert.IsTrue( a6.LeftDistanceTo(a5) < a6.LeftDistanceTo(a7),
"BetweenLeft true");
}
else {
//Then the following must be false:
Assert.IsFalse( a6.LeftDistanceTo(a5) < a6.LeftDistanceTo(a7),
"BetweenLeft false");
}
if ( a5.IsBetweenFromRight(a6, a7) ) {
//Then the following must be true:
Assert.IsTrue( a6.RightDistanceTo(a5) < a6.RightDistanceTo(a7),
"BetweenRight true");
}
else {
//Then the following must be false:
Assert.IsFalse( a6.RightDistanceTo(a5) < a6.RightDistanceTo(a7),
"BetweenRight false");
}
if( a5.IsCloserToFirst(a6, a7) ) {
Assert.IsTrue( a5.DistanceTo(a6).abs() < a5.DistanceTo(a7).abs(), "IsCloser 1");
}
else {
Assert.IsFalse( a5.DistanceTo(a6).abs() < a5.DistanceTo(a7).abs(), "IsCloser 2");
}
Assert.IsFalse(a5.IsCloserToFirst(a6, a7) && a5.IsCloserToFirst(a7,a6), "can only be closer to one!");
if( false == a5.Equals(a6) ) {
Assert.IsTrue(a5.IsCloserToFirst(a5, a6), "Always closer to self");
}
Assert.IsFalse(a5.IsBetweenFromLeft(a6, a7) ==
a5.IsBetweenFromRight(a6, a7),
"can't be between left and between right");
}
}
public void Test2() {
TableServerData tsd = new TableServerData("0");
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
MemBlock[] addresses = new MemBlock[100];
byte[] value = new byte[20];
rng.GetBytes(value);
DateTime now = DateTime.UtcNow;
DateTime lease_end = now.AddMinutes(1);
for(int i = 0; i < addresses.Length; i++) {
addresses[i] = (new AHAddress(rng)).ToMemBlock();
tsd.AddEntry(new Entry(addresses[i], value, now, lease_end));
}
AHAddress start = new AHAddress(rng);
AHAddress end = new AHAddress(rng);
LinkedList<MemBlock> keys_se = tsd.GetKeysBetween(start, end);
LinkedList<MemBlock> keys_es = tsd.GetKeysBetween(end, start);
String output = " - " +start + ":" + end;
if(start.IsLeftOf(end)) {
foreach(MemBlock address in addresses) {
AHAddress addr = new AHAddress(address);
if(addr.IsLeftOf(end) && addr.IsRightOf(start)) {
Assert.IsTrue(keys_se.Contains(address), addr + " in lse" + output);
Assert.IsTrue(keys_es.Contains(address), addr + " in les" + output);
}
else {
Assert.IsFalse(keys_se.Contains(address), addr + " out lse" + output);
Assert.IsFalse(keys_es.Contains(address), addr + " out les" + output);
}
}
}
else {
foreach(MemBlock address in addresses) {
AHAddress addr = new AHAddress(address);
if(addr.IsLeftOf(start) && addr.IsRightOf(end)) {
Assert.IsTrue(keys_se.Contains(address), addr + " in rse" + output);
Assert.IsTrue(keys_es.Contains(address), addr + " in res" + output);
}
else {
Assert.IsFalse(keys_se.Contains(address), addr + " out rse" + output);
Assert.IsFalse(keys_es.Contains(address), addr + " out res" + output);
}
}
}
LinkedList<MemBlock> keys = tsd.GetKeys();
foreach(MemBlock addr in addresses) {
Assert.IsTrue(keys.Contains(addr), "keys does not contain: " + (new AHAddress(addr)));
}
}
public void Test()
{
byte[] buf1 = new byte[20];
for (int i = 0; i <= 18; i++)
{
buf1[i] = 0x00;
}
buf1[19] = 0x0A;
AHAddress test_address_1 = new AHAddress(MemBlock.Reference(buf1, 0, buf1.Length));
byte[] buf2 = new byte[20];
for (int i = 0; i <= 18; i++)
{
buf2[i] = 0xFF;
}
buf2[19] = 0xFE;
AHAddress test_address_2 = new AHAddress(MemBlock.Reference(buf2, 0, buf2.Length));
//test_address_1 is to the left of test_address_2
//because it only a few steps in the clockwise direction:
Assert.IsTrue(test_address_1.IsLeftOf(test_address_2), "IsLeftOf");
Assert.IsTrue(test_address_2.IsRightOf(test_address_1), "IsRightOf");
//This distance is twelve:
Assert.AreEqual(test_address_2.DistanceTo(test_address_1),
new BigInteger(12), "DistanceTo");
Assert.IsTrue(test_address_1.CompareTo(test_address_2) < 0, "CompareTo");
Assert.IsTrue(test_address_2.CompareTo(test_address_1) > 0, "CompareTo");
byte[] buf3 = new byte[Address.MemSize];
test_address_2.CopyTo(buf3);
AHAddress test3 = new AHAddress(MemBlock.Reference(buf3, 0, buf3.Length));
Assert.IsTrue(test3.CompareTo(test_address_2) == 0, "CompareTo");
Assert.IsTrue(test3.CompareTo(test3) == 0, "CompareTo");
//As long as the address does not wrap around, adding should increase it:
AHAddress a4 = new AHAddress(test_address_1.ToBigInteger() + 100);
Assert.IsTrue(a4.CompareTo(test_address_1) > 0, "adding increases");
Assert.IsTrue(a4.CompareTo(test_address_2) < 0, "smaller than biggest");
//Here are some consistency tests:
for (int i = 0; i < 1000; i++)
{
System.Random r = new Random();
byte[] b1 = new byte[Address.MemSize];
r.NextBytes(b1);
//Make sure it is class 0:
Address.SetClass(b1, 0);
byte[] b2 = new byte[Address.MemSize];
r.NextBytes(b2);
//Make sure it is class 0:
Address.SetClass(b2, 0);
byte[] b3 = new byte[Address.MemSize];
r.NextBytes(b3);
//Make sure it is class 0:
Address.SetClass(b3, 0);
AHAddress a5 = new AHAddress(MemBlock.Reference(b1, 0, b1.Length));
AHAddress a6 = new AHAddress(MemBlock.Reference(b2, 0, b2.Length));
AHAddress a7 = new AHAddress(MemBlock.Reference(b3, 0, b3.Length));
Assert.IsTrue(a5.CompareTo(a6) == -1 * a6.CompareTo(a5), "consistency");
//Nothing is between the same address:
Assert.IsFalse(a5.IsBetweenFromLeft(a6, a6), "Empty Between Left");
Assert.IsFalse(a5.IsBetweenFromRight(a7, a7), "Empty Between Right");
//Endpoints are not between:
Assert.IsFalse(a6.IsBetweenFromLeft(a6, a7), "End point Between Left");
Assert.IsFalse(a6.IsBetweenFromRight(a6, a7), "End point Between Right");
Assert.IsFalse(a7.IsBetweenFromLeft(a6, a7), "End point Between Left");
Assert.IsFalse(a7.IsBetweenFromRight(a6, a7), "End point Between Right");
if (a5.IsBetweenFromLeft(a6, a7))
{
//Then the following must be true:
Assert.IsTrue(a6.LeftDistanceTo(a5) < a6.LeftDistanceTo(a7),
"BetweenLeft true");
}
else
{
//Then the following must be false:
Assert.IsFalse(a6.LeftDistanceTo(a5) < a6.LeftDistanceTo(a7),
"BetweenLeft false");
}
if (a5.IsBetweenFromRight(a6, a7))
{
//Then the following must be true:
Assert.IsTrue(a6.RightDistanceTo(a5) < a6.RightDistanceTo(a7),
"BetweenRight true");
}
else
{
//Then the following must be false:
Assert.IsFalse(a6.RightDistanceTo(a5) < a6.RightDistanceTo(a7),
"BetweenRight false");
}
if (a5.IsCloserToFirst(a6, a7))
{
Assert.IsTrue(a5.DistanceTo(a6).abs() < a5.DistanceTo(a7).abs(), "IsCloser 1");
}
else
{
Assert.IsFalse(a5.DistanceTo(a6).abs() < a5.DistanceTo(a7).abs(), "IsCloser 2");
}
Assert.IsFalse(a5.IsCloserToFirst(a6, a7) && a5.IsCloserToFirst(a7, a6), "can only be closer to one!");
if (false == a5.Equals(a6))
{
Assert.IsTrue(a5.IsCloserToFirst(a5, a6), "Always closer to self");
}
Assert.IsFalse(a5.IsBetweenFromLeft(a6, a7) ==
a5.IsBetweenFromRight(a6, a7),
"can't be between left and between right");
}
}
/**
<summary>Returns a list of keys stored at this node that exist between the
two addresses. Such keys returned are the storest path between the two
addresses.</summary>
<param name="add1">One of the address end points.</param>
<param name="add2">Another of the address end points.</param>
<returns>A LinkedList of key entries between add1 and add2</returns>
*/
public LinkedList<MemBlock> GetKeysBetween(AHAddress add1, AHAddress add2) {
LinkedList<MemBlock> keys = new LinkedList<MemBlock>();
if(add1.IsRightOf(add2)) {
foreach(MemBlock key in list_of_keys) {
AHAddress key_addr = new AHAddress(key);
if(key_addr.IsBetweenFromLeft(add1, add2)) {
keys.AddLast(key);
}
}
}
else {
foreach(MemBlock key in list_of_keys) {
AHAddress key_addr = new AHAddress(key);
if(key_addr.IsBetweenFromRight(add1, add2)) {
keys.AddLast(key);
}
}
}
return keys;
}