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-rw-r--r-- | common/testutils/devicetests/com/android/testutils/NonNullTestUtils.java | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/common/testutils/devicetests/com/android/testutils/NonNullTestUtils.java b/common/testutils/devicetests/com/android/testutils/NonNullTestUtils.java new file mode 100644 index 00000000..463c4706 --- /dev/null +++ b/common/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; + } +} |