src/test/kotlin/platform/mixin/desugar/AnonymousAndLocalClassDesugarTest.kt diff

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/*
* Minecraft Development for IntelliJ
*
* https://mcdev.io/
*
* Copyright (C) 2025 minecraft-dev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, version 3.0 only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/

package com.demonwav.mcdev.platform.mixin.desugar

import com.demonwav.mcdev.platform.mixin.handlers.desugar.AnonymousAndLocalClassDesugarer
import org.junit.jupiter.api.Test
import org.objectweb.asm.Opcodes

@Suppress("Convert2Lambda", "CopyConstructorMissesField", "SillyAssignment")
class AnonymousAndLocalClassDesugarTest : AbstractDesugarTest() {
override val desugarer = AnonymousAndLocalClassDesugarer

@Test
fun testSimpleAnonymous() {
doTest(
"""
class Test {
Runnable r = new Runnable() {
@Override
public void run() {
System.out.println("Hello World!");
}
};
}
""".trimIndent(),
"""
class Test {
Runnable r = new $1();

class $1 implements Runnable {
@Override
public void run() {
System.out.println("Hello World!");
}
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousWithParameters() {
doTest(
"""
public class Test {
Test test = new Test(this) {
};

public Test(Test test) {
}
}
""".trimIndent(),
"""
public class Test {
Test test = new $1(this);

public Test(Test test) {
}

class $1 extends Test {
$1(Test test1) {
super(test1);
}
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousWithCapture() {
doTest(
"""
class Test {
void test() {
String hello = "Hello, World!";
Runnable r = new Runnable() {
@Override
public void run() {
System.out.println(hello);
}
};
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello, World!";
Runnable r = new $1(hello);
}

class $1 implements Runnable {
final String val${'$'}hello;

$1(String hello) {
this.val${'$'}hello = hello;
super();
}

@Override
public void run() {
System.out.println(val${'$'}hello);
}
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousWithParameterAndCapture() {
doTest(
"""
public class Test {
void test() {
String hello = "Hello, World!";
Test test = new Test(this) {
String x = hello;
};
}

public Test(Test test) {
}
}
""".trimIndent(),
"""
public class Test {
void test() {
String hello = "Hello, World!";
Test test = new $1(this, hello);
}

public Test(Test test) {
}

class $1 extends Test {
final String val${'$'}hello;
String x = val${'$'}hello;

$1(Test test1, String hello) {
this.val${'$'}hello = hello;
super(test1);
}
}
}
""".trimIndent()
)
}

@Test
fun testStaticAnonymous() {
doTest(
"""
class Test {
static void test() {
Runnable r = new Runnable() {
@Override
public void run() {
}
};
}
}
""".trimIndent(),
"""
class Test {
static void test() {
Runnable r = new $1();
}

static class $1 implements Runnable {
@Override
public void run() {
}
}
}
""".trimIndent()
)
}

@Test
fun testStaticAnonymousAsDelegateConstructorParameter() {
doTest(
"""
class Test {
public Test() {
this(new Object() {
});
}

public Test(Object x) {
}
}
""".trimIndent(),
"""
class Test {
public Test() {
this(new $1());
}

public Test(Object x) {
}

static class $1 {
}
}
""".trimIndent()
)
}

@Test
fun testSimpleLocal() {
doTest(
"""
class Test {
void test() {
class Local {
}
}
}
""".trimIndent(),
"""
class Test {
void test() {
}

class $1Local {
}
}
""".trimIndent()
)
}

@Test
fun testSimpleLocalWithCapture() {
doTest(
"""
class Test {
void test() {
String hello = "Hello, World!";
class Local {
void print() {
System.out.println(hello);
}
}
new Local().print();
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello, World!";
new $1Local(hello).print();
}

class $1Local {
final String val${'$'}hello;

$1Local(String hello) {
this.val${'$'}hello = hello;
super();
}

void print() {
System.out.println(val${'$'}hello);
}
}
}
""".trimIndent()
)
}

@Test
fun testLocalWithExistingConstructorAndCapture() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";
class Local {
private final String name;

public Local(String name) {
this.name = name;
}

void print() {
System.out.println(hello + " " + name);
}
}
new Local("World").print();
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";
new $1Local("World", hello).print();
}

class $1Local {
final String val${'$'}hello;
private final String name;

public $1Local(String name, String hello) {
this.val${'$'}hello = hello;
super();
this.name = name;
}

void print() {
System.out.println(val${'$'}hello + " " + name);
}
}
}
""".trimIndent()
)
}

@Test
fun testLocalWithMultipleExistingConstructorsAndCapture() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";
class Local {
private final String name;

public Local() {
this.name = "World";
}

public Local(String name) {
this.name = name;
}

void print() {
System.out.println(hello + " " + name);
}
}
new Local().print();
new Local("World").print();
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";
new $1Local(hello).print();
new $1Local("World", hello).print();
}

class $1Local {
final String val${'$'}hello;
private final String name;

public $1Local(String hello) {
this.val${'$'}hello = hello;
super();
this.name = "World";
}

public $1Local(String name, String hello) {
this.val${'$'}hello = hello;
super();
this.name = name;
}

void print() {
System.out.println(val${'$'}hello + " " + name);
}
}
}
""".trimIndent()
)
}

@Test
fun testLocalWithDelegateConstructorAndCapture() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";
class Local {
private final String name;

public Local() {
this("World");
}

public Local(String name) {
this.name = name;
}

void print() {
System.out.println(hello + " " + name);
}
}
new Local().print();
new Local("World").print();
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";
new $1Local(hello).print();
new $1Local("World", hello).print();
}

class $1Local {
final String val${'$'}hello;
private final String name;

public $1Local(String hello) {
this("World", hello);
}

public $1Local(String name, String hello) {
this.val${'$'}hello = hello;
super();
this.name = name;
}

void print() {
System.out.println(val${'$'}hello + " " + name);
}
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousExtendsLocal() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";
String world = "World";
class Local {
void print() {
System.out.println(hello);
}
}
new Local() {
@Override
void print() {
super.print();
System.out.println(world);
}
}.print();
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";
String world = "World";
new $1(hello, world).print();
}

class $1Local {
final String val${'$'}hello;

$1Local(String hello) {
this.val${'$'}hello = hello;
super();
}

void print() {
System.out.println(val${'$'}hello);
}
}

class $1 extends $1Local {
final String val${'$'}hello;
final String val${'$'}world;

$1(String hello1, String world) {
this.val${'$'}hello = hello1;
this.val${'$'}world = world;
super(hello1);
}

@Override
void print() {
super.print();
System.out.println(val${'$'}world);
}
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousExtendsLocalWithParameters() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";
String world = "World";
class Local {
private final String name;

public Local(String name) {
this.name = name;
}

void print() {
System.out.println(hello + " " + name);
}
}
new Local(hello) {
@Override
void print() {
super.print();
System.out.println(hello + " " + world);
}
}.print();
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";
String world = "World";
new $1(hello, hello, world).print();
}

class $1Local {
final String val${'$'}hello;
private final String name;

public $1Local(String name, String hello) {
this.val${'$'}hello = hello;
super();
this.name = name;
}

void print() {
System.out.println(val${'$'}hello + " " + name);
}
}

class $1 extends $1Local {
final String val${'$'}hello;
final String val${'$'}world;

$1(String name, String hello1, String world) {
this.val${'$'}hello = hello1;
this.val${'$'}world = world;
super(name, hello1);
}

@Override
void print() {
super.print();
System.out.println(val${'$'}hello + " " + val${'$'}world);
}
}
}
""".trimIndent()
)
}

@Test
fun testLocalExtendsLocal() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";
String world = "World";
class Local1 {
void print() {
System.out.println(hello);
}
}
class Local2 extends Local1 {
@Override
void print() {
super.print();
System.out.println(world);
}
}
new Local2().print();
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";
String world = "World";
new $1Local2(hello, world).print();
}

class $1Local1 {
final String val${'$'}hello;

$1Local1(String hello) {
this.val${'$'}hello = hello;
super();
}

void print() {
System.out.println(val${'$'}hello);
}
}

class $1Local2 extends $1Local1 {
final String val${'$'}hello;
final String val${'$'}world;

$1Local2(String hello, String world) {
this.val${'$'}hello = hello;
this.val${'$'}world = world;
super(hello);
}

@Override
void print() {
super.print();
System.out.println(val${'$'}world);
}
}
}
""".trimIndent()
)
}

@Test
fun testLocalExtendsLocalWithParameters() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";
String world = "World";

class Local1 {
private final String name;

public Local1(String name) {
this.name = name;
}

void print() {
System.out.println(hello + " " + name);
}
}

class Local2 extends Local1 {
public Local2(String name) {
super(name);
}

@Override
void print() {
super.print();
System.out.println(hello + " " + world);
}
}

new Local2(hello).print();
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";
String world = "World";

new $1Local2(hello, hello, world).print();
}

class $1Local1 {
final String val${'$'}hello;
private final String name;

public $1Local1(String name, String hello) {
this.val${'$'}hello = hello;
super();
this.name = name;
}

void print() {
System.out.println(val${'$'}hello + " " + name);
}
}

class $1Local2 extends $1Local1 {
final String val${'$'}hello;
final String val${'$'}world;

public $1Local2(String name, String hello, String world) {
this.val${'$'}hello = hello;
this.val${'$'}world = world;
super(name, hello);
}

@Override
void print() {
super.print();
System.out.println(val${'$'}hello + " " + val${'$'}world);
}
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousInsideGenericClass() {
doTest(
"""
class Test<T> {
Runnable r = new Runnable() {
@Override
public void run() {
}

T test() {
}
};
}
""".trimIndent(),
"""
class Test<T> {
Runnable r = new $1();

class $1 implements Runnable {
@Override
public void run() {
}

T test() {
}
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousInsideUnsuedGenericMethod() {
doTest(
"""
class Test {
<T> void test() {
new Object() {
};
}
}
""".trimIndent(),
"""
class Test {
<T> void test() {
new $1();
}

class $1 {
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousInsideGenericMethod() {
doTest(
"""
class Test {
<T> void test() {
new Object() {
T test() {
}
};
}
}
""".trimIndent(),
"""
class Test {
<T> void test() {
new $1<T>();
}

class $1<T> {
T test() {
}
}
}
""".trimIndent()
)
}

@Test
fun testLocalInsideGenericClass() {
doTest(
"""
class Test<T> {
void test() {
class Local {
T test() {
}
}
new Local();
}
}
""".trimIndent(),
"""
class Test<T> {
void test() {
new $1Local();
}

class $1Local {
T test() {
}
}
}
""".trimIndent()
)
}

@Test
fun testLocalInsideUnsuedGenericMethod() {
doTest(
"""
class Test {
<T> void test() {
class Local {
}
new Local();
}
}
""".trimIndent(),
"""
class Test {
<T> void test() {
new $1Local();
}

class $1Local {
}
}
""".trimIndent()
)
}

@Test
fun testLocalInsideGenericMethod() {
doTest(
"""
class Test {
<T> void test() {
class Local {
T test() {
}
}
new Local();
}
}
""".trimIndent(),
"""
class Test {
<T> void test() {
new $1Local<T>();
}

class $1Local<T> {
T test() {
}
}
}
""".trimIndent()
)
}

@Test
fun testAnonymousExtendsGenericLocal() {
doTest(
"""
class Test {
void test() {
class Local<T> {
}
Local<String> local = new Local<>() {
};
}
}
""".trimIndent(),
"""
class Test {
void test() {
$1Local<String> local = new $1();
}

class $1Local<T> {
}

class $1 extends $1Local<String> {
}
}
""".trimIndent()
)
}

@Test
fun testLocalWithCaptureCreatedWithConstructorReference() {
doTest(
"""
import java.util.function.Supplier;

class Test {
void test() {
String hello = "Hello";

class Local {
void print() {
System.out.println(hello);
}
}

Supplier<Local> supplier = Local::new;
}
}
""".trimIndent(),
"""
import java.util.function.Supplier;

class Test {
void test() {
String hello = "Hello";

Supplier<$1Local> supplier = () -> new $1Local(hello);
}

class $1Local {
final String val${'$'}hello;

$1Local(String hello) {
this.val${'$'}hello = hello;
super();
}

void print() {
System.out.println(val${'$'}hello);
}
}
}
""".trimIndent()
)
}

@Test
fun testCaptureUsedInConstructor() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";

class Local {
Local() {
System.out.println(hello);
}

Local(String s) {
this();
System.out.println(hello);
}

Local(int i) {
this(hello);
}
}
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";

}

class $1Local {
final String val${'$'}hello;

$1Local(String hello) {
this.val${'$'}hello = hello;
super();
System.out.println(val${'$'}hello);
}

$1Local(String s, String hello) {
this(hello);
System.out.println(val${'$'}hello);
}

$1Local(int i, String hello) {
this(hello, hello);
}
}
}
""".trimIndent()
)
}

@Test
fun testCaptureUsedInConstructor22() {
doTest(
"""
class Test {
void test() {
String hello = "Hello";

class Local {
Local() {
System.out.println(hello);
}

Local(String s) {
this();
System.out.println(hello);
}

Local(int i) {
this(hello);
}
}
}
}
""".trimIndent(),
"""
class Test {
void test() {
String hello = "Hello";

}

class $1Local {
final String val${'$'}hello;

$1Local(String hello) {
this.val${'$'}hello = hello;
super();
System.out.println(hello);
}

$1Local(String s, String hello) {
this(hello);
System.out.println(hello);
}

$1Local(int i, String hello) {
this(hello, hello);
}
}
}
""".trimIndent(),
classVersion = Opcodes.V22
)
}
}

/* * Minecraft Development for IntelliJ * * https://mcdev.io/ * * Copyright (C) 2025 minecraft-dev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, version 3.0 only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ package com.demonwav.mcdev.platform.mixin.desugar import com.demonwav.mcdev.platform.mixin.handlers.desugar.AnonymousAndLocalClassDesugarer import org.junit.jupiter.api.Test import org.objectweb.asm.Opcodes @Suppress("Convert2Lambda", "CopyConstructorMissesField", "SillyAssignment") class AnonymousAndLocalClassDesugarTest : AbstractDesugarTest() { override val desugarer = AnonymousAndLocalClassDesugarer @Test fun testSimpleAnonymous() { doTest( """ class Test { Runnable r = new Runnable() { @Override public void run() { System.out.println("Hello World!"); } }; } """.trimIndent(), """ class Test { Runnable r = new $1(); class $1 implements Runnable { @Override public void run() { System.out.println("Hello World!"); } } } """.trimIndent() ) } @Test fun testAnonymousWithParameters() { doTest( """ public class Test { Test test = new Test(this) { }; public Test(Test test) { } } """.trimIndent(), """ public class Test { Test test = new $1(this); public Test(Test test) { } class $1 extends Test { $1(Test test1) { super(test1); } } } """.trimIndent() ) } @Test fun testAnonymousWithCapture() { doTest( """ class Test { void test() { String hello = "Hello, World!"; Runnable r = new Runnable() { @Override public void run() { System.out.println(hello); } }; } } """.trimIndent(), """ class Test { void test() { String hello = "Hello, World!"; Runnable r = new $1(hello); } class $1 implements Runnable { final String val${'$'}hello; $1(String hello) { this.val${'$'}hello = hello; super(); } @Override public void run() { System.out.println(val${'$'}hello); } } } """.trimIndent() ) } @Test fun testAnonymousWithParameterAndCapture() { doTest( """ public class Test { void test() { String hello = "Hello, World!"; Test test = new Test(this) { String x = hello; }; } public Test(Test test) { } } """.trimIndent(), """ public class Test { void test() { String hello = "Hello, World!"; Test test = new $1(this, hello); } public Test(Test test) { } class $1 extends Test { final String val${'$'}hello; String x = val${'$'}hello; $1(Test test1, String hello) { this.val${'$'}hello = hello; super(test1); } } } """.trimIndent() ) } @Test fun testStaticAnonymous() { doTest( """ class Test { static void test() { Runnable r = new Runnable() { @Override public void run() { } }; } } """.trimIndent(), """ class Test { static void test() { Runnable r = new $1(); } static class $1 implements Runnable { @Override public void run() { } } } """.trimIndent() ) } @Test fun testStaticAnonymousAsDelegateConstructorParameter() { doTest( """ class Test { public Test() { this(new Object() { }); } public Test(Object x) { } } """.trimIndent(), """ class Test { public Test() { this(new $1()); } public Test(Object x) { } static class $1 { } } """.trimIndent() ) } @Test fun testSimpleLocal() { doTest( """ class Test { void test() { class Local { } } } """.trimIndent(), """ class Test { void test() { } class $1Local { } } """.trimIndent() ) } @Test fun testSimpleLocalWithCapture() { doTest( """ class Test { void test() { String hello = "Hello, World!"; class Local { void print() { System.out.println(hello); } } new Local().print(); } } """.trimIndent(), """ class Test { void test() { String hello = "Hello, World!"; new $1Local(hello).print(); } class $1Local { final String val${'$'}hello; $1Local(String hello) { this.val${'$'}hello = hello; super(); } void print() { System.out.println(val${'$'}hello); } } } """.trimIndent() ) } @Test fun testLocalWithExistingConstructorAndCapture() { doTest( """ class Test { void test() { String hello = "Hello"; class Local { private final String name; public Local(String name) { this.name = name; } void print() { System.out.println(hello + " " + name); } } new Local("World").print(); } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; new $1Local("World", hello).print(); } class $1Local { final String val${'$'}hello; private final String name; public $1Local(String name, String hello) { this.val${'$'}hello = hello; super(); this.name = name; } void print() { System.out.println(val${'$'}hello + " " + name); } } } """.trimIndent() ) } @Test fun testLocalWithMultipleExistingConstructorsAndCapture() { doTest( """ class Test { void test() { String hello = "Hello"; class Local { private final String name; public Local() { this.name = "World"; } public Local(String name) { this.name = name; } void print() { System.out.println(hello + " " + name); } } new Local().print(); new Local("World").print(); } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; new $1Local(hello).print(); new $1Local("World", hello).print(); } class $1Local { final String val${'$'}hello; private final String name; public $1Local(String hello) { this.val${'$'}hello = hello; super(); this.name = "World"; } public $1Local(String name, String hello) { this.val${'$'}hello = hello; super(); this.name = name; } void print() { System.out.println(val${'$'}hello + " " + name); } } } """.trimIndent() ) } @Test fun testLocalWithDelegateConstructorAndCapture() { doTest( """ class Test { void test() { String hello = "Hello"; class Local { private final String name; public Local() { this("World"); } public Local(String name) { this.name = name; } void print() { System.out.println(hello + " " + name); } } new Local().print(); new Local("World").print(); } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; new $1Local(hello).print(); new $1Local("World", hello).print(); } class $1Local { final String val${'$'}hello; private final String name; public $1Local(String hello) { this("World", hello); } public $1Local(String name, String hello) { this.val${'$'}hello = hello; super(); this.name = name; } void print() { System.out.println(val${'$'}hello + " " + name); } } } """.trimIndent() ) } @Test fun testAnonymousExtendsLocal() { doTest( """ class Test { void test() { String hello = "Hello"; String world = "World"; class Local { void print() { System.out.println(hello); } } new Local() { @Override void print() { super.print(); System.out.println(world); } }.print(); } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; String world = "World"; new $1(hello, world).print(); } class $1Local { final String val${'$'}hello; $1Local(String hello) { this.val${'$'}hello = hello; super(); } void print() { System.out.println(val${'$'}hello); } } class $1 extends $1Local { final String val${'$'}hello; final String val${'$'}world; $1(String hello1, String world) { this.val${'$'}hello = hello1; this.val${'$'}world = world; super(hello1); } @Override void print() { super.print(); System.out.println(val${'$'}world); } } } """.trimIndent() ) } @Test fun testAnonymousExtendsLocalWithParameters() { doTest( """ class Test { void test() { String hello = "Hello"; String world = "World"; class Local { private final String name; public Local(String name) { this.name = name; } void print() { System.out.println(hello + " " + name); } } new Local(hello) { @Override void print() { super.print(); System.out.println(hello + " " + world); } }.print(); } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; String world = "World"; new $1(hello, hello, world).print(); } class $1Local { final String val${'$'}hello; private final String name; public $1Local(String name, String hello) { this.val${'$'}hello = hello; super(); this.name = name; } void print() { System.out.println(val${'$'}hello + " " + name); } } class $1 extends $1Local { final String val${'$'}hello; final String val${'$'}world; $1(String name, String hello1, String world) { this.val${'$'}hello = hello1; this.val${'$'}world = world; super(name, hello1); } @Override void print() { super.print(); System.out.println(val${'$'}hello + " " + val${'$'}world); } } } """.trimIndent() ) } @Test fun testLocalExtendsLocal() { doTest( """ class Test { void test() { String hello = "Hello"; String world = "World"; class Local1 { void print() { System.out.println(hello); } } class Local2 extends Local1 { @Override void print() { super.print(); System.out.println(world); } } new Local2().print(); } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; String world = "World"; new $1Local2(hello, world).print(); } class $1Local1 { final String val${'$'}hello; $1Local1(String hello) { this.val${'$'}hello = hello; super(); } void print() { System.out.println(val${'$'}hello); } } class $1Local2 extends $1Local1 { final String val${'$'}hello; final String val${'$'}world; $1Local2(String hello, String world) { this.val${'$'}hello = hello; this.val${'$'}world = world; super(hello); } @Override void print() { super.print(); System.out.println(val${'$'}world); } } } """.trimIndent() ) } @Test fun testLocalExtendsLocalWithParameters() { doTest( """ class Test { void test() { String hello = "Hello"; String world = "World"; class Local1 { private final String name; public Local1(String name) { this.name = name; } void print() { System.out.println(hello + " " + name); } } class Local2 extends Local1 { public Local2(String name) { super(name); } @Override void print() { super.print(); System.out.println(hello + " " + world); } } new Local2(hello).print(); } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; String world = "World"; new $1Local2(hello, hello, world).print(); } class $1Local1 { final String val${'$'}hello; private final String name; public $1Local1(String name, String hello) { this.val${'$'}hello = hello; super(); this.name = name; } void print() { System.out.println(val${'$'}hello + " " + name); } } class $1Local2 extends $1Local1 { final String val${'$'}hello; final String val${'$'}world; public $1Local2(String name, String hello, String world) { this.val${'$'}hello = hello; this.val${'$'}world = world; super(name, hello); } @Override void print() { super.print(); System.out.println(val${'$'}hello + " " + val${'$'}world); } } } """.trimIndent() ) } @Test fun testAnonymousInsideGenericClass() { doTest( """ class Test<T> { Runnable r = new Runnable() { @Override public void run() { } T test() { } }; } """.trimIndent(), """ class Test<T> { Runnable r = new $1(); class $1 implements Runnable { @Override public void run() { } T test() { } } } """.trimIndent() ) } @Test fun testAnonymousInsideUnsuedGenericMethod() { doTest( """ class Test { <T> void test() { new Object() { }; } } """.trimIndent(), """ class Test { <T> void test() { new $1(); } class $1 { } } """.trimIndent() ) } @Test fun testAnonymousInsideGenericMethod() { doTest( """ class Test { <T> void test() { new Object() { T test() { } }; } } """.trimIndent(), """ class Test { <T> void test() { new $1<T>(); } class $1<T> { T test() { } } } """.trimIndent() ) } @Test fun testLocalInsideGenericClass() { doTest( """ class Test<T> { void test() { class Local { T test() { } } new Local(); } } """.trimIndent(), """ class Test<T> { void test() { new $1Local(); } class $1Local { T test() { } } } """.trimIndent() ) } @Test fun testLocalInsideUnsuedGenericMethod() { doTest( """ class Test { <T> void test() { class Local { } new Local(); } } """.trimIndent(), """ class Test { <T> void test() { new $1Local(); } class $1Local { } } """.trimIndent() ) } @Test fun testLocalInsideGenericMethod() { doTest( """ class Test { <T> void test() { class Local { T test() { } } new Local(); } } """.trimIndent(), """ class Test { <T> void test() { new $1Local<T>(); } class $1Local<T> { T test() { } } } """.trimIndent() ) } @Test fun testAnonymousExtendsGenericLocal() { doTest( """ class Test { void test() { class Local<T> { } Local<String> local = new Local<>() { }; } } """.trimIndent(), """ class Test { void test() { $1Local<String> local = new $1(); } class $1Local<T> { } class $1 extends $1Local<String> { } } """.trimIndent() ) } @Test fun testLocalWithCaptureCreatedWithConstructorReference() { doTest( """ import java.util.function.Supplier; class Test { void test() { String hello = "Hello"; class Local { void print() { System.out.println(hello); } } Supplier<Local> supplier = Local::new; } } """.trimIndent(), """ import java.util.function.Supplier; class Test { void test() { String hello = "Hello"; Supplier<$1Local> supplier = () -> new $1Local(hello); } class $1Local { final String val${'$'}hello; $1Local(String hello) { this.val${'$'}hello = hello; super(); } void print() { System.out.println(val${'$'}hello); } } } """.trimIndent() ) } @Test fun testCaptureUsedInConstructor() { doTest( """ class Test { void test() { String hello = "Hello"; class Local { Local() { System.out.println(hello); } Local(String s) { this(); System.out.println(hello); } Local(int i) { this(hello); } } } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; } class $1Local { final String val${'$'}hello; $1Local(String hello) { this.val${'$'}hello = hello; super(); System.out.println(val${'$'}hello); } $1Local(String s, String hello) { this(hello); System.out.println(val${'$'}hello); } $1Local(int i, String hello) { this(hello, hello); } } } """.trimIndent() ) } @Test fun testCaptureUsedInConstructor22() { doTest( """ class Test { void test() { String hello = "Hello"; class Local { Local() { System.out.println(hello); } Local(String s) { this(); System.out.println(hello); } Local(int i) { this(hello); } } } } """.trimIndent(), """ class Test { void test() { String hello = "Hello"; } class $1Local { final String val${'$'}hello; $1Local(String hello) { this.val${'$'}hello = hello; super(); System.out.println(hello); } $1Local(String s, String hello) { this(hello); System.out.println(hello); } $1Local(int i, String hello) { this(hello, hello); } } } """.trimIndent(), classVersion = Opcodes.V22 ) } }

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