archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 07:14:30 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8313422: test/langtools/tools/javac 144 test classes uses com.sun.tools.classfile library

Browse source 
Reviewed-by: asotona
This commit is contained in:
Qing Xiao 2023-09-07 15:37:25 +00:00 • committed by Adam Sotona
parent 8557205a82
commit 8f7e29b2cd
144 changed files with 2743 additions and 2762 deletions
Download patch file Download diff file Expand all files Collapse all files

27
test/langtools/tools/javac/jvm/ClassRefDupInConstantPoolTest.java
View file

@ -25,30 +25,33 @@
* @test
* @bug 8015927
* @summary Class reference duplicates in constant pool
* @modules jdk.jdeps/com.sun.tools.classfile
* @modules java.base/jdk.internal.classfile
* java.base/jdk.internal.classfile.attribute
* java.base/jdk.internal.classfile.constantpool
* java.base/jdk.internal.classfile.instruction
* java.base/jdk.internal.classfile.components
* @clean ClassRefDupInConstantPoolTest$Duplicates
* @run main ClassRefDupInConstantPoolTest
*/
import java.util.TreeSet;
import com.sun.tools.classfile.*;
import com.sun.tools.classfile.ConstantPool.*;
import jdk.internal.classfile.*;
import jdk.internal.classfile.constantpool.*;
public class ClassRefDupInConstantPoolTest {
public static void main(String[] args) throws Exception {
ClassFile cls = ClassFile.read(ClassRefDupInConstantPoolTest.class.
getResourceAsStream("ClassRefDupInConstantPoolTest$Duplicates.class"));
ConstantPool pool = cls.constant_pool;
ClassModel cls = Classfile.of().parse(ClassRefDupInConstantPoolTest.class.
getResourceAsStream("ClassRefDupInConstantPoolTest$Duplicates.class").readAllBytes());
ConstantPool pool = cls.constantPool();
int duplicates = 0;
TreeSet<Integer> set = new TreeSet<>();
for (CPInfo i : pool.entries()) {
if (i.getTag() == ConstantPool.CONSTANT_Class) {
CONSTANT_Class_info ci = (CONSTANT_Class_info)i;
if (!set.add(ci.name_index)) {
TreeSet<String> set = new TreeSet<>();
for (int i = 1; i < pool.entryCount(); i += pool.entryByIndex(i).width()) {
if (pool.entryByIndex(i) instanceof ClassEntry ce) {
if (!set.add(ce.asInternalName())) {
duplicates++;
System.out.println("DUPLICATE CLASS REF " + ci.getName());
System.out.println("DUPLICATE CLASS REF " + ce.asInternalName());
}
}
}