1 files changed, 87 insertions, 0 deletions
diff --git a/src/test/java/com/code_intelligence/jazzer/instrumentor/InvalidHookMocks.java b/src/test/java/com/code_intelligence/jazzer/instrumentor/InvalidHookMocks.java
new file mode 100644
index 00000000..0df349ca
--- /dev/null
+++ b/src/test/java/com/code_intelligence/jazzer/instrumentor/InvalidHookMocks.java
@@ -0,0 +1,87 @@
+// 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) {}
+}