LBRYFoundation/lbry-database-java
1
0
Fork 0
mirror of https://github.com/LBRYFoundation/lbry-database-java.git synced 2025-08-23 09:27:22 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Avoid OpenJDK bug

Browse source
This commit is contained in:
Ben van Hartingsveldt 2024-10-05 16:25:57 +02:00
parent c922eadd0d
commit 1bfdc90ec1
No known key found for this signature in database
GPG key ID: 261AA214130CE7AB
3 changed files with 33 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
pom.xml
View file

@ -131,7 +131,7 @@
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>9</maven.compiler.target>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<scm>

2
src/main/java/com/lbry/database/rows/DBStatePrefixRow.java
View file

@ -55,7 +55,7 @@ public class DBStatePrefixRow extends PrefixRow<KeyInterface,DBState>{
@Override
public DBState unpackValue(byte[] value){
int height = ByteBuffer.wrap(value).order(ByteOrder.BIG_ENDIAN).position(32).getInt();
int height = ByteBuffer.wrap(value).position(32).order(ByteOrder.BIG_ENDIAN).getInt();
if(value.length==94){
value = ByteBuffer.allocate(value.length+4).order(ByteOrder.BIG_ENDIAN).put(value).putInt(height).array();
}

39
src/test/java/com/lbry/database/tests/RevertibleOperationStackTest.java
View file

@ -1,7 +1,11 @@
package com.lbry.database.tests;
import com.lbry.database.keys.ClaimToTXOKey;
import com.lbry.database.revert.*;
import com.lbry.database.revert.OperationStackIntegrityException;
import com.lbry.database.revert.RevertibleDelete;
import com.lbry.database.revert.RevertibleOperation;
import com.lbry.database.revert.RevertibleOperationStack;
import com.lbry.database.revert.RevertiblePut;
import com.lbry.database.rows.ClaimToTXOPrefixRow;
import com.lbry.database.util.MapHelper;
import com.lbry.database.values.ClaimToTXOValue;
@ -56,6 +60,7 @@ public class RevertibleOperationStackTest {
}
public void processStack(){
System.err.println("PS: "+this.stack.iterate());
for(RevertibleOperation operation : this.stack.iterate()){
if(operation.isPut()){
byte[] savedKey = MapHelper.getKey(this.fakeDatabase,operation.getKey());
@ -69,6 +74,12 @@ public class RevertibleOperationStackTest {
}
public void update(byte[] key1,byte[] value1,byte[] key2,byte[] value2){
// System.err.println("UPD: DEL("+key1+" -> "+value1+") ==> PUT("+key2+" -> "+value2+")");
// System.err.println("UPD: DEL("+new ClaimToTXOPrefixRow(null,null,null).unpackKey(key1)+" -> "+new ClaimToTXOPrefixRow(null,null,null).unpackValue(value1).name+") ==> PUT("+new ClaimToTXOPrefixRow(null,null,null).unpackKey(key2)+" -> "+new ClaimToTXOPrefixRow(null,null,null).unpackValue(value2).name+")");
System.err.println("UPD: DEL(-> "+new ClaimToTXOPrefixRow(null,null,null).unpackValue(value1).name+") ==> PUT(-> "+new ClaimToTXOPrefixRow(null,null,null).unpackValue(value2).name+")");
// System.err.println("INV: DEL("+key2+" -> "+value2+") ==> PUT("+key1+" -> "+value1+")");
//System.err.println("INV: DEL("+new ClaimToTXOPrefixRow(null,null,null).unpackKey(key2)+" -> "+new ClaimToTXOPrefixRow(null,null,null).unpackValue(value2).name+") ==> PUT("+new ClaimToTXOPrefixRow(null,null,null).unpackKey(key1)+" -> "+new ClaimToTXOPrefixRow(null,null,null).unpackValue(value1).name+")");
// System.err.println();
this.stack.appendOperation(new RevertibleDelete(key1,value1));
this.stack.appendOperation(new RevertiblePut(key2,value2));
}
@ -140,7 +151,7 @@ public class RevertibleOperationStackTest {
assertEquals(1,this.stack.length());
this.processStack();
assertEquals(this.fakeDatabase,new HashMap<byte[],byte[]>(){{this.put(key2,val3);}});
assertEquals(new HashMap<byte[],byte[]>(){{this.put(key2,val3);}},this.fakeDatabase);
// Check that we can't put on top of the existing stored value.
assertThrows(OperationStackIntegrityException.class,() -> this.stack.appendOperation(new RevertiblePut(key2,val1)));
@ -155,7 +166,7 @@ public class RevertibleOperationStackTest {
assertEquals(2,this.stack.length());
this.processStack();
assertEquals(this.fakeDatabase,new HashMap<byte[],byte[]>(){{this.put(key2,val1);}});
assertEquals(new HashMap<byte[],byte[]>(){{this.put(key2,val1);}},this.fakeDatabase);
this.update(key2,val1,key2,val2);
assertEquals(2,this.stack.length());
@ -170,21 +181,33 @@ public class RevertibleOperationStackTest {
this.stack.appendOperation(new RevertibleDelete(key2,val3));
this.processStack();
this.processStack();
assertEquals(this.fakeDatabase,new HashMap<>());
assertEquals(new HashMap<>(),this.fakeDatabase);
this.stack.appendOperation(new RevertiblePut(key2,val3));
this.processStack();
assertThrows(OperationStackIntegrityException.class,() -> this.update(key2,val2,key2,val2));
this.update(key2,val3,key2,val2);
assertEquals(this.fakeDatabase,new HashMap<byte[],byte[]>(){{this.put(key2,val3);}});
assertEquals(new HashMap<byte[],byte[]>(){{this.put(key2,val3);}},this.fakeDatabase);
byte[] undo = this.stack.getUndoOperations();
this.processStack();
this.stack.validateAndApplyStashedOperations();
assertEquals(this.fakeDatabase,new HashMap<byte[],byte[]>(){{this.put(key2,val2);}});
assertEquals(new HashMap<byte[],byte[]>(){{this.put(key2,val2);}},this.fakeDatabase);
System.err.println("VAL1: "+val1);
System.err.println("VAL2: "+val2);
System.err.println("VAL3: "+val3);
System.err.println("BEFORE APPLY: "+this.fakeDatabase);
System.err.println("BEFORE APPLY: "+this.stack.iterate());
this.stack.applyPackedUndoOperations(undo);
System.err.println("AFTER APPLY: "+this.fakeDatabase);
System.err.println("AFTER APPLY: "+this.stack.iterate());
this.processStack();
//TODO FIX: assertEquals(this.fakeDatabase,new HashMap<byte[],byte[]>(){{this.put(key2,val3);}});
System.err.println("FINAL: "+this.fakeDatabase);
System.err.println("FINAL: "+this.stack.iterate());
//assertEquals(this.fakeDatabase,new HashMap<byte[],byte[]>(){{this.put(key2,val2);}});//WRONG ONE
//assertEquals(new HashMap<byte[],byte[]>(){{this.put(key2,val3);}},this.fakeDatabase);
}
}