Add safe union for cpp-only test.

Bug: 110269925
Test: hidl_test
Change-Id: I18e52f8f41779e57828209882f1191aebc1e6782

tests/safeunion/cpp/1.0/Android.bp

@@ -0,0 +1,14 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.tests.safeunion.cpp@1.0",
+    root: "android.hardware",
+    srcs: [
+        "ICppSafeUnion.hal",
+    ],
+    interfaces: [
+        "android.hidl.base@1.0",
+    ],
+    gen_java: false,
+}
+

tests/safeunion/cpp/1.0/ICppSafeUnion.hal

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2018 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 android.hardware.tests.safeunion.cpp@1.0;
+
+/**
+ * Safe union for cpp-only types.
+ */
+interface ICppSafeUnion {
+    safe_union PointerFmqSafeUnion {
+        interface iface;
+        fmq_sync<uint8_t> fmqSync;
+        fmq_unsync<uint8_t> fmqUnsync;
+    };
+    safe_union FmqSafeUnion {
+        fmq_sync<uint8_t> fmqSync;
+        fmq_unsync<uint8_t> fmqUnsync;
+    };
+
+    repeatPointerFmqSafeUnion(PointerFmqSafeUnion fmq) generates (PointerFmqSafeUnion fmq);
+    repeatFmqSafeUnion(FmqSafeUnion fmq) generates (FmqSafeUnion fmq);
+};

tests/safeunion/cpp/1.0/default/Android.bp

@@ -0,0 +1,22 @@
+cc_library {
+    name: "android.hardware.tests.safeunion.cpp@1.0-impl",
+    relative_install_path: "hw",
+    srcs: [
+        "CppSafeUnion.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "liblog",
+        "libutils",
+    ],
+
+    // These are static libs only for testing purposes and portability. Shared
+    // libs should be used on device.
+    static_libs: [
+        "android.hardware.tests.safeunion.cpp@1.0",
+    ],
+}

tests/safeunion/cpp/1.0/default/CppSafeUnion.cpp

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2018 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 "CppSafeUnion.h"
+
+namespace android {
+namespace hardware {
+namespace tests {
+namespace safeunion {
+namespace cpp {
+namespace V1_0 {
+namespace implementation {
+
+Return<void> CppSafeUnion::repeatPointerFmqSafeUnion(const ICppSafeUnion::PointerFmqSafeUnion& fmq,
+                                                     repeatPointerFmqSafeUnion_cb _hidl_cb) {
+    _hidl_cb(fmq);
+    return Void();
+}
+
+Return<void> CppSafeUnion::repeatFmqSafeUnion(const ICppSafeUnion::FmqSafeUnion& fmq,
+                                              repeatFmqSafeUnion_cb _hidl_cb) {
+    _hidl_cb(fmq);
+    return Void();
+}
+
+ICppSafeUnion* HIDL_FETCH_ICppSafeUnion(const char* /* name */) {
+    return new CppSafeUnion();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace cpp
+}  // namespace safeunion
+}  // namespace tests
+}  // namespace hardware
+}  // namespace android

tests/safeunion/cpp/1.0/default/CppSafeUnion.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#pragma once
+
+#include <android/hardware/tests/safeunion/cpp/1.0/ICppSafeUnion.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace tests {
+namespace safeunion {
+namespace cpp {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::sp;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+
+struct CppSafeUnion : public ICppSafeUnion {
+    Return<void> repeatPointerFmqSafeUnion(const ICppSafeUnion::PointerFmqSafeUnion& fmq,
+                                           repeatPointerFmqSafeUnion_cb _hidl_cb) override;
+    Return<void> repeatFmqSafeUnion(const ICppSafeUnion::FmqSafeUnion& fmq,
+                                    repeatFmqSafeUnion_cb _hidl_cb) override;
+};
+
+extern "C" ICppSafeUnion* HIDL_FETCH_ICppSafeUnion(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace cpp
+}  // namespace safeunion
+}  // namespace tests
+}  // namespace hardware
+}  // namespace android