Add test for invalid lookup on array types in memberrebinding

Bug: b/233048876
Change-Id: Ib0c1314d79be08e0285b6c1d30dc75572a3d5d3b
diff --git a/src/test/java/com/android/tools/r8/memberrebinding/MemberRebindingArrayTest.java b/src/test/java/com/android/tools/r8/memberrebinding/MemberRebindingArrayTest.java
new file mode 100644
index 0000000..8e0f6e8
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/memberrebinding/MemberRebindingArrayTest.java
@@ -0,0 +1,82 @@
+// Copyright (c) 2022, 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;
+
+import static org.hamcrest.core.StringContains.containsString;
+import static org.junit.Assert.assertThrows;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class MemberRebindingArrayTest extends TestBase {
+
+  private final TestParameters parameters;
+  private final String[] EXPECTED = new String[] {"hashCode", "equals"};
+
+  @Parameterized.Parameters(name = "{0}")
+  public static TestParametersCollection data() {
+    return getTestParameters().withAllRuntimesAndApiLevels().build();
+  }
+
+  public MemberRebindingArrayTest(TestParameters parameters) {
+    this.parameters = parameters;
+  }
+
+  @Test
+  public void testRuntime() throws Exception {
+    testForRuntime(parameters)
+        .addProgramClassFileData(getMainWithRewrittenEqualsAndHashCode())
+        .run(parameters.getRuntime(), Main.class)
+        .assertSuccessWithOutputLines(EXPECTED);
+  }
+
+  @Test
+  public void testR8() throws Exception {
+    // TODO(b/233048876): We should not fail for arrays.
+    assertThrows(
+        CompilationFailedException.class,
+        () -> {
+          testForR8(parameters.getBackend())
+              .addProgramClassFileData(getMainWithRewrittenEqualsAndHashCode())
+              .addKeepMainRule(Main.class)
+              .setMinApi(parameters.getApiLevel())
+              .addOptionsModification(
+                  options -> options.apiModelingOptions().disableApiCallerIdentification())
+              .compileWithExpectedDiagnostics(
+                  diagnostics ->
+                      diagnostics.assertErrorMessageThatMatches(
+                          containsString("Cannot lookup definition for type: java.lang.String[]")));
+        });
+  }
+
+  private byte[] getMainWithRewrittenEqualsAndHashCode() throws Exception {
+    return transformer(Main.class)
+        .transformMethodInsnInMethod(
+            "main",
+            (opcode, owner, name, descriptor, isInterface, visitor) -> {
+              if (owner.equals(binaryName(Object.class))) {
+                visitor.visitMethodInsn(
+                    opcode, "[" + descriptor(String.class), name, descriptor, isInterface);
+              } else {
+                visitor.visitMethodInsn(opcode, owner, name, descriptor, isInterface);
+              }
+            })
+        .transform();
+  }
+
+  public static class Main {
+
+    public static void main(String[] args) {
+      System.out.println(args.hashCode() != 0 ? "hashCode" : "error_hashCode");
+      System.out.println(args.equals(args.clone()) ? "error_equals" : "equals");
+    }
+  }
+}