Add class to help Kotlin to pass nullable to java @NonNull for testing
Follow up CL for aosp/2700076
Bug: 296972712
Test: build with aosp/2688146
Change-Id: Ib582ef41f34baf0bb896e32d681843358f928c87
diff --git a/staticlibs/testutils/devicetests/com/android/testutils/NonNullTestUtils.java b/staticlibs/testutils/devicetests/com/android/testutils/NonNullTestUtils.java
new file mode 100644
index 0000000..463c470
--- /dev/null
+++ b/staticlibs/testutils/devicetests/com/android/testutils/NonNullTestUtils.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package com.android.testutils;
+
+import android.annotation.NonNull;
+
+/**
+ * Utilities to help Kotlin test to verify java @NonNull code
+ */
+public class NonNullTestUtils {
+ /**
+ * This method allows Kotlin to pass nullable to @NonNull java code for testing.
+ * For Foo(@NonNull arg) java method, Kotlin can pass nullable variable by
+ * Foo(NonNullTestUtils.nullUnsafe(nullableVar)).
+ */
+ @NonNull public static <T> T nullUnsafe(T v) {
+ return v;
+ }
+}