1 files changed, 48 insertions, 0 deletions
diff --git a/tests/src/test/java/com/example/ForkModeFuzzer.java b/tests/src/test/java/com/example/ForkModeFuzzer.java
new file mode 100644
index 00000000..9f005124
--- /dev/null
+++ b/tests/src/test/java/com/example/ForkModeFuzzer.java
@@ -0,0 +1,48 @@
+// 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.FuzzerSecurityIssueLow;
+
+public final class ForkModeFuzzer {
+  public static void fuzzerInitialize() {
+    // When running through a Java reproducer, do not check the Java opts.
+    if (System.getProperty("jazzer.is_reproducer") != null)
+      return;
+    String foo = System.getProperty("foo");
+    String bar = System.getProperty("bar");
+    String baz = System.getProperty("baz");
+    // Only used to verify that arguments are correctly passed down to child processes.
+    if (foo == null || bar == null || baz == null || !foo.equals("foo")
+        || !(bar.equals("b;ar") || bar.equals("b:ar")) || !baz.equals("baz")) {
+      // Exit the process with an exit code different from that for a finding.
+      System.err.println("ERROR: Did not correctly pass all jvm_args to child process.");
+      System.err.printf("foo: %s%nbar: %s%nbaz: %s%n", foo, bar, baz);
+      System.exit(3);
+    }
+    // Only used to verify that Jazzer honors the JAVA_OPTS env var.
+    String javaOpts = System.getProperty("java_opts");
+    if (javaOpts == null || !javaOpts.equals("1")) {
+      // Exit the process with an exit code different from that for a finding.
+      System.err.println("ERROR: Did not honor JAVA_OPTS.");
+      System.err.printf("java_opts: %s%n", javaOpts);
+      System.exit(4);
+    }
+  }
+
+  public static void fuzzerTestOneInput(byte[] data) {
+    throw new FuzzerSecurityIssueLow("Passed fuzzerInitialize");
+  }
+}