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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;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * Unit tests for {@link Handle}.
+ *
+ * @author Eric Bruneton
+ */
+class HandleTest {
+
+ @Test
+ @SuppressWarnings("deprecation")
+ void testDeprecatedConstructor() {
+ Handle handle1 = new Handle(Opcodes.H_INVOKEINTERFACE, "owner", "name", "descriptor");
+ Handle handle2 = new Handle(Opcodes.H_INVOKESPECIAL, "owner", "name", "descriptor");
+
+ assertTrue(handle1.isInterface());
+ assertFalse(handle2.isInterface());
+ assertEquals("owner.namedescriptor (9 itf)", handle1.toString());
+ assertEquals("owner.namedescriptor (7)", handle2.toString());
+ }
+
+ @Test
+ void testConstructor() {
+ Handle handle = new Handle(Opcodes.H_GETFIELD, "owner", "name", "descriptor", false);
+
+ assertEquals(Opcodes.H_GETFIELD, handle.getTag());
+ assertEquals("owner", handle.getOwner());
+ assertEquals("name", handle.getName());
+ assertEquals("descriptor", handle.getDesc());
+ assertFalse(handle.isInterface());
+ assertEquals("owner.namedescriptor (1)", handle.toString());
+ }
+
+ @Test
+ void testEquals() {
+ Handle handle1 = new Handle(Opcodes.H_GETFIELD, "owner", "name", "descriptor", false);
+ Handle handle2 = new Handle(Opcodes.H_GETFIELD, "owner", "name", "descriptor", false);
+ Handle nullHandle = null;
+
+ final boolean equalsThis = handle1.equals(handle1);
+ final boolean equalsSame = handle1.equals(handle2);
+ final boolean equalsNull = handle1.equals(nullHandle);
+ final boolean equalsHandleWithDifferentTag =
+ handle1.equals(new Handle(Opcodes.H_PUTFIELD, "owner", "name", "descriptor", false));
+ final boolean equalsHandleWithDifferentOwner =
+ handle1.equals(new Handle(Opcodes.H_GETFIELD, "o", "name", "descriptor", false));
+ final boolean equalsHandleWithDifferentName =
+ handle1.equals(new Handle(Opcodes.H_GETFIELD, "owner", "n", "descriptor", false));
+ final boolean equalsHandleWithDifferentDescriptor =
+ handle1.equals(new Handle(Opcodes.H_GETFIELD, "owner", "name", "d", false));
+ final boolean equalsHandleWithDifferentIsInterface =
+ handle1.equals(new Handle(Opcodes.H_GETFIELD, "owner", "n", "descriptor", true));
+
+ assertTrue(equalsThis);
+ assertTrue(equalsSame);
+ assertFalse(equalsNull);
+ assertFalse(equalsHandleWithDifferentTag);
+ assertFalse(equalsHandleWithDifferentOwner);
+ assertFalse(equalsHandleWithDifferentName);
+ assertFalse(equalsHandleWithDifferentDescriptor);
+ assertFalse(equalsHandleWithDifferentIsInterface);
+ }
+
+ @Test
+ void testHashCode() {
+ Handle handle1 = new Handle(Opcodes.H_INVOKESTATIC, "owner", "name", "descriptor", false);
+ Handle handle2 = new Handle(Opcodes.H_INVOKESTATIC, "owner", "name", "descriptor", true);
+
+ assertNotEquals(0, handle1.hashCode());
+ assertNotEquals(0, handle2.hashCode());
+ }
+}