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diff --git a/asm-tree/src/test/java/org/objectweb/asm/tree/MethodNodeTest.java b/asm-tree/src/test/java/org/objectweb/asm/tree/MethodNodeTest.java
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+// ASM: a very small and fast Java bytecode manipulation framework
+// Copyright (c) 2000-2011 INRIA, France Telecom
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+// 3. Neither the name of the copyright holders nor the names of its
+//    contributors may be used to endorse or promote products derived from
+//    this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+// THE POSSIBILITY OF SUCH DAMAGE.
+package org.objectweb.asm.tree;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import java.util.Arrays;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.function.Executable;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.MethodSource;
+import org.objectweb.asm.Attribute;
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.test.AsmTest;
+import org.objectweb.asm.test.ClassFile;
+
+/**
+ * Unit tests for {@link MethodNode}.
+ *
+ * @author Eric Bruneton
+ */
+class MethodNodeTest extends AsmTest {
+
+  @Test
+  void testConstructor() {
+    MethodNode methodNode = new MethodNode(123, "method", "()V", null, null);
+
+    assertEquals(123, methodNode.access);
+    assertEquals("method", methodNode.name);
+    assertEquals("()V", methodNode.desc);
+  }
+
+  @Test
+  void testConstructor_illegalState() {
+    Executable constructor = () -> new MethodNode() {};
+
+    assertThrows(IllegalStateException.class, constructor);
+  }
+
+  /** Tests that an uninitialized MethodNode can receive any visit method call. */
+  @ParameterizedTest
+  @MethodSource(ALL_CLASSES_AND_LATEST_API)
+  void testVisitAndAccept_withUninitializedMethodNode(
+      final PrecompiledClass classParameter, final Api apiParameter) {
+    byte[] classFile = classParameter.getBytes();
+    ClassReader classReader = new ClassReader(classFile);
+    ClassNode classNode =
+        new ClassNode(apiParameter.value()) {
+
+          @Override
+          public MethodVisitor visitMethod(
+              final int access,
+              final String name,
+              final String descriptor,
+              final String signature,
+              final String[] exceptions) {
+            MethodNode method = new MethodNode();
+            method.access = access;
+            method.name = name;
+            method.desc = descriptor;
+            method.signature = signature;
+            method.exceptions = exceptions == null ? null : Arrays.asList(exceptions);
+            methods.add(method);
+            return method;
+          }
+        };
+    ClassWriter classWriter = new ClassWriter(0);
+
+    classReader.accept(classNode, new Attribute[] {new Comment(), new CodeComment()}, 0);
+    classNode.accept(classWriter);
+
+    assertEquals(new ClassFile(classFile), new ClassFile(classWriter.toByteArray()));
+  }
+
+  @Test
+  void testClone() {
+    MethodNode methodNode = new MethodNode();
+    methodNode.visitCode();
+    methodNode.visitLabel(new Label());
+    methodNode.visitInsn(Opcodes.NOP);
+    methodNode.visitLabel(new Label());
+    methodNode.visitEnd();
+
+    MethodNode cloneMethodNode = new MethodNode();
+    methodNode.accept(cloneMethodNode);
+    methodNode.accept(cloneMethodNode);
+
+    assertEquals(6, cloneMethodNode.instructions.size());
+  }
+}