Add test with invalid protected member access

Bug: b/367915233
Change-Id: Ie53e3608e8176804c9aee66c728c6e7c300a533d
diff --git a/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/MemberRebindingProtectedInProgramHierachyInvalidInputTest.java b/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/MemberRebindingProtectedInProgramHierachyInvalidInputTest.java
new file mode 100644
index 0000000..886da04
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/MemberRebindingProtectedInProgramHierachyInvalidInputTest.java
@@ -0,0 +1,88 @@
+// Copyright (c) 2024, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+package com.android.tools.r8.memberrebinding.protectedaccess;
+
+import static org.hamcrest.CoreMatchers.containsString;
+
+import com.android.tools.r8.SingleTestRunResult;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.TestRuntime.CfVm;
+import com.android.tools.r8.memberrebinding.protectedaccess.p1.ClassWithProtectedField;
+import com.android.tools.r8.memberrebinding.protectedaccess.p2.SubClassOfClassWithProtectedField;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class MemberRebindingProtectedInProgramHierachyInvalidInputTest extends TestBase {
+
+  @Parameter(0)
+  public TestParameters parameters;
+
+  @Parameters(name = "{0}")
+  public static TestParametersCollection data() {
+    return getTestParameters().withAllRuntimesAndApiLevels().build();
+  }
+
+  @Test
+  public void testJvm() throws Exception {
+    parameters.assumeJvmTestParameters();
+    testForJvm(parameters)
+        .addProgramClasses(SubClassOfClassWithProtectedField.class, TestClass.class)
+        .addProgramClassFileData(getTransformedClass())
+        .run(parameters.getRuntime(), TestClass.class)
+        .applyIf(
+            parameters.getCfRuntime().isNewerThanOrEqual(CfVm.JDK21),
+            r -> r.assertFailureWithErrorThatThrows(VerifyError.class),
+            parameters.getCfRuntime().getVm() == CfVm.JDK11,
+            SingleTestRunResult::assertFailure, // JDK-11 either crash or report VerifyError.
+            r -> r.assertFailureWithOutputThatMatches(containsString("SIGSEGV")));
+  }
+
+  @Test
+  public void testD8() throws Exception {
+    parameters.assumeDexRuntime();
+    testForD8(parameters.getBackend())
+        .addProgramClasses(SubClassOfClassWithProtectedField.class, TestClass.class)
+        .addProgramClassFileData(getTransformedClass())
+        .setMinApi(parameters)
+        .run(parameters.getRuntime(), TestClass.class)
+        // The code runs fine on Dalvik/ART.
+        .assertSuccessWithOutputLines("1");
+  }
+
+  @Test
+  public void testR8() throws Exception {
+    testForR8(parameters.getBackend())
+        .addProgramClasses(SubClassOfClassWithProtectedField.class, TestClass.class)
+        .addProgramClassFileData(getTransformedClass())
+        .addKeepMainRule(TestClass.class)
+        .setMinApi(parameters)
+        .addDontObfuscate()
+        .run(parameters.getRuntime(), TestClass.class)
+        // The code runs fine after R8 processing on both JDK and Dalvik/ART.
+        .assertSuccessWithOutputLines("1");
+  }
+
+  private byte[] getTransformedClass() throws Exception {
+    return transformer(ClassWithProtectedField.class)
+        .setAccessFlags(
+            ClassWithProtectedField.class.getDeclaredField("f"),
+            accessFlags -> {
+              accessFlags.unsetPublic();
+              accessFlags.setProtected();
+            })
+        .transform();
+  }
+
+  static class TestClass {
+    public static void main(String[] args) {
+      new SubClassOfClassWithProtectedField(2).m(new ClassWithProtectedField(1));
+    }
+  }
+}
diff --git a/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/p1/ClassWithProtectedField.java b/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/p1/ClassWithProtectedField.java
new file mode 100644
index 0000000..bc143c5
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/p1/ClassWithProtectedField.java
@@ -0,0 +1,12 @@
+// Copyright (c) 2024, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+package com.android.tools.r8.memberrebinding.protectedaccess.p1;
+
+public class ClassWithProtectedField {
+  public int f; // protected with transformer.
+
+  public ClassWithProtectedField(int f) {
+    this.f = f;
+  }
+}
diff --git a/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/p2/SubClassOfClassWithProtectedField.java b/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/p2/SubClassOfClassWithProtectedField.java
new file mode 100644
index 0000000..da144a0
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/memberrebinding/protectedaccess/p2/SubClassOfClassWithProtectedField.java
@@ -0,0 +1,16 @@
+// Copyright (c) 2024, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+package com.android.tools.r8.memberrebinding.protectedaccess.p2;
+
+import com.android.tools.r8.memberrebinding.protectedaccess.p1.ClassWithProtectedField;
+
+public class SubClassOfClassWithProtectedField extends ClassWithProtectedField {
+  public SubClassOfClassWithProtectedField(int v) {
+    super(v);
+  }
+
+  public void m(ClassWithProtectedField instance) {
+    System.out.println(instance.f);
+  }
+}