Fail dex verification for duplicate static/instance fields.

Just like we ensure direct and virtual methods don't conflict, check
that static and instance fields also don't conflict.

Test: test.py
Test: 734-duplicate-fields
Change-Id: I3b959bf68a43fda573788ed848976a5fae91f8d1

1 files changed, 34 insertions, 0 deletions

diff --git a/test/734-duplicate-fields/src/Main.java b/test/734-duplicate-fields/src/Main.java
new file mode 100644
index 0000000000..0d97d02744
--- /dev/null
+++ b/test/734-duplicate-fields/src/Main.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2025 The Android Open Source Project
+ *
+ * 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.
+ */
+
+import dalvik.system.PathClassLoader;
+
+public class Main {
+  static final String TEST_NAME = "734-duplicate-fields";
+
+  static final String SECONDARY_NAME = TEST_NAME + "-ex";
+  static final String SECONDARY_DEX_FILE =
+    System.getenv("DEX_LOCATION") + "/" + SECONDARY_NAME + ".jar";
+
+  public static void main(String[] args) throws Exception {
+    PathClassLoader pcl = new PathClassLoader(SECONDARY_DEX_FILE, Main.class.getClassLoader());
+    try {
+      Class.forName("Cls", true, pcl);
+      throw new Error("Expected ClassNotFoundException");
+    } catch (ClassNotFoundException expected) {
+    }
+  }
+}