1 files changed, 52 insertions, 0 deletions
diff --git a/tests/src/test/java/com/example/DisabledHooksFuzzer.java b/tests/src/test/java/com/example/DisabledHooksFuzzer.java
new file mode 100644
index 00000000..430bfa40
--- /dev/null
+++ b/tests/src/test/java/com/example/DisabledHooksFuzzer.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2022 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.example;
+
+import com.code_intelligence.jazzer.api.HookType;
+import com.code_intelligence.jazzer.api.Jazzer;
+import com.code_intelligence.jazzer.api.MethodHook;
+import java.lang.invoke.MethodHandle;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
+public class DisabledHooksFuzzer {
+  public static void fuzzerTestOneInput(byte[] data) {
+    triggerCustomHook();
+    triggerBuiltinHook();
+  }
+
+  private static void triggerCustomHook() {}
+
+  private static void triggerBuiltinHook() {
+    // Trigger the built-in regex injection detector if it is enabled, but catch the exception
+    // thrown if it isn't.
+    try {
+      Pattern.compile("[");
+    } catch (PatternSyntaxException ignored) {
+    }
+  }
+}
+
+class DisabledHook {
+  @MethodHook(type = HookType.BEFORE, targetClassName = "com.example.DisabledHooksFuzzer",
+      targetMethod = "triggerCustomHook", targetMethodDescriptor = "()V")
+  public static void
+  triggerCustomHookHook(MethodHandle method, Object thisObject, Object[] arguments, int hookId) {
+    Jazzer.reportFindingFromHook(
+        new IllegalStateException("hook on triggerCustomHook should have been disabled"));
+  }
+}