libbinder: Status writeOverParcel
For errors written to the parcel late.
Bug: 211823183
Test: aidl_integration_test
Change-Id: I036a016e143408bf1c3cb4f67f622c7e0dac91bf
diff --git a/libs/binder/tests/binderStatusUnitTest.cpp b/libs/binder/tests/binderStatusUnitTest.cpp
new file mode 100644
index 0000000..a32ec5c
--- /dev/null
+++ b/libs/binder/tests/binderStatusUnitTest.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include <binder/Parcel.h>
+#include <binder/Status.h>
+#include <gtest/gtest.h>
+
+using android::Parcel;
+using android::binder::Status;
+
+TEST(Status, WriteOverParcel) {
+ Status status = Status::fromExceptionCode(Status::EX_NULL_POINTER);
+
+ Parcel indirect;
+ indirect.writeInt32(64);
+ status.writeOverParcel(&indirect);
+
+ Parcel direct;
+ status.writeToParcel(&direct);
+
+ EXPECT_EQ(0, indirect.compareData(direct));
+}