// Copyright 2021 Code Intelligence GmbH
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.code_intelligence.jazzer.instrumentor;

import com.code_intelligence.jazzer.api.HookType;
import com.code_intelligence.jazzer.api.MethodHook;
import java.lang.invoke.MethodHandle;

@SuppressWarnings({"unused", "RedundantThrows"})
class InvalidHookMocks {
  @MethodHook(type = HookType.BEFORE, targetClassName = "java.lang.String", targetMethod = "equals")
  public static void incorrectHookIdType(
      MethodHandle method, String thisObject, Object[] arguments, long hookId) {}

  @MethodHook(type = HookType.AFTER, targetClassName = "java.lang.String", targetMethod = "equals")
  private static void invalidAfterHook(MethodHandle method, String thisObject, Object[] arguments,
      int hookId, Boolean returnValue) {}

  @MethodHook(type = HookType.AFTER, targetClassName = "java.lang.String", targetMethod = "equals")
  public void invalidAfterHook2(MethodHandle method, String thisObject, Object[] arguments,
      int hookId, boolean returnValue) {}

  @MethodHook(type = HookType.REPLACE, targetClassName = "java.lang.String",
      targetMethod = "equals", targetMethodDescriptor = "(Ljava/lang/Object;)Z")
  public static String
  incorrectReturnType(MethodHandle method, String thisObject, Object[] arguments, int hookId) {
    return "foo";
  }

  @MethodHook(
      type = HookType.REPLACE, targetClassName = "java.lang.String", targetMethod = "equals")
  public static boolean
  invalidReplaceHook2(MethodHandle method, Integer thisObject, Object[] arguments, int hookId) {
    return true;
  }

  @MethodHook(type = HookType.REPLACE, targetClassName = "java.lang.System", targetMethod = "gc",
      targetMethodDescriptor = "()V")
  public static Object
  invalidReplaceVoidMethod(MethodHandle method, Object thisObject, Object[] arguments, int hookId) {
    return null;
  }

  @MethodHook(type = HookType.BEFORE, targetClassName = "java.lang.StringBuilder",
      targetMethod = "<init>", targetMethodDescriptor = "(Ljava/lang/String;)V")
  public static Object
  invalidReturnType(MethodHandle method, Object thisObject, Object[] arguments, int hookId)
      throws Throwable {
    return null;
  }

  @MethodHook(type = HookType.AFTER, targetClassName = "java.lang.String",
      targetMethod = "startsWith", targetMethodDescriptor = "(Ljava/lang/String;)Z")
  public static void
  primitiveReturnValueMustBeWrapped(MethodHandle method, String thisObject, Object[] arguments,
      int hookId, boolean returnValue) {}

  @MethodHook(type = HookType.REPLACE, targetClassName = "java.lang.StringBuilder",
      targetMethod = "<init>", targetMethodDescriptor = "(Ljava/lang/String;)V")
  public static void
  replaceOnInitWithoutReturnType(
      MethodHandle method, Object thisObject, Object[] arguments, int hookId) throws Throwable {}

  @MethodHook(type = HookType.REPLACE, targetClassName = "java.lang.StringBuilder",
      targetMethod = "<init>", targetMethodDescriptor = "(Ljava/lang/String;)V")
  public static Object
  replaceOnInitWithIncompatibleType(
      MethodHandle method, Object thisObject, Object[] arguments, int hookId) throws Throwable {
    return new Object();
  }

  @MethodHook(type = HookType.AFTER, targetClassName = "java.lang.String", targetMethod = "equals")
  public static void primitiveReturnType(MethodHandle method, String thisObject, Object[] arguments,
      int hookId, boolean returnValue) {}
}