// 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
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package org.objectweb.asm.commons;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.junit.jupiter.api.Test;

/**
 * Unit tests for {@link SimpleRemapper}.
 *
 * @author Eric Bruneton
 */
class SimpleRemapperTest {

  @Test
  void testMapSignature_remapParentOnly_nestedClassExtends() {
    String inputSignature = "LOuter<Ljava/lang/Object;>.Inner;";
    Remapper remapper = new SimpleRemapper(Collections.singletonMap("Outer", "RenamedOuter"));

    String remappedSignature = remapper.mapSignature(inputSignature, false);

    assertEquals("LRenamedOuter<Ljava/lang/Object;>.Inner;", remappedSignature);
  }

  @Test
  void testMapSignature_remapChildOnly_nestedClassExtends() {
    String inputSignature = "LOuter<Ljava/lang/Object;>.Inner;";
    Remapper remapper =
        new SimpleRemapper(Collections.singletonMap("Outer$Inner", "Outer$RenamedInner"));

    String remappedSignature = remapper.mapSignature(inputSignature, false);

    assertEquals("LOuter<Ljava/lang/Object;>.RenamedInner;", remappedSignature);
  }

  @Test
  void testMapSignature_remapChildOnly_nestedClassExtends_identifiersWithDollarSign() {
    String inputSignature = "LOuter<Ljava/lang/Object;>.Inner$1;";
    Remapper remapper =
        new SimpleRemapper(Collections.singletonMap("Outer$Inner$1", "Outer$RenamedInner$1"));

    String remappedSignature = remapper.mapSignature(inputSignature, false);

    assertEquals("LOuter<Ljava/lang/Object;>.RenamedInner$1;", remappedSignature);
  }

  @Test
  void testMapSignature_remapBothParentAndChild_nestedClassExtends() {
    String inputSignature = "LOuter<Ljava/lang/Object;>.Inner;";
    Map<String, String> mapping = new HashMap<>();
    mapping.put("Outer", "RenamedOuter");
    mapping.put("Outer$Inner", "RenamedOuter$RenamedInner");
    Remapper remapper = new SimpleRemapper(mapping);

    String remappedSignature = remapper.mapSignature(inputSignature, false);

    assertEquals("LRenamedOuter<Ljava/lang/Object;>.RenamedInner;", remappedSignature);
  }
}
