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/*
* 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 <aidlcommonsupport/NativeHandle.h>
#include <gtest/gtest.h>
namespace android {
using aidl::android::hardware::common::NativeHandle;
using ndk::ScopedFileDescriptor;
static void checkEq(const NativeHandle& aidl, native_handle_t* libcutils, bool exceptFds) {
ASSERT_NE(libcutils, nullptr);
ASSERT_EQ(libcutils->numFds, aidl.fds.size());
for (size_t i = 0; i < libcutils->numFds; i++) {
int afd = aidl.fds.at(i).get();
int lfd = libcutils->data[i];
EXPECT_GE(afd, 0) << "Invalid fd at index " << i;
EXPECT_GE(lfd, 0) << "Invalid fd at index " << i;
if (exceptFds) {
EXPECT_NE(afd, lfd) << "Index matched at " << i << " but should be dup'd fd";
} else {
EXPECT_EQ(afd, lfd) << "Index mismatched at " << i << " but should be same fd";
}
}
ASSERT_EQ(libcutils->numInts, aidl.ints.size());
for (size_t i = 0; i < libcutils->numInts; i++) {
int afd = aidl.ints.at(i);
int lfd = libcutils->data[libcutils->numFds + i];
EXPECT_EQ(afd, lfd) << "Index mismatch at " << i;
}
}
static NativeHandle makeTestAidlHandle() {
NativeHandle handle = {
.fds = std::vector<ScopedFileDescriptor>(2),
.ints = {1, 2, 3, 4},
};
handle.fds[0].set(dup(0));
handle.fds[1].set(dup(0));
return handle;
}
TEST(ConvertNativeHandle, MakeFromAidlEmpty) {
NativeHandle handle;
native_handle_t* to = makeFromAidl(handle);
checkEq(handle, to, false /*exceptFds*/);
// no native_handle_close b/c fds are owned by NativeHandle
EXPECT_EQ(0, native_handle_delete(to));
}
TEST(ConvertNativeHandle, MakeFromAidl) {
NativeHandle handle = makeTestAidlHandle();
native_handle_t* to = makeFromAidl(handle);
checkEq(handle, to, false /*exceptFds*/);
// no native_handle_close b/c fds are owned by NativeHandle
EXPECT_EQ(0, native_handle_delete(to));
}
TEST(ConvertNativeHandle, DupFromAidlEmpty) {
NativeHandle handle;
native_handle_t* to = dupFromAidl(handle);
checkEq(handle, to, true /*exceptFds*/);
EXPECT_EQ(0, native_handle_close(to));
EXPECT_EQ(0, native_handle_delete(to));
}
TEST(ConvertNativeHandle, DupFromAidl) {
NativeHandle handle = makeTestAidlHandle();
native_handle_t* to = dupFromAidl(handle);
checkEq(handle, to, true /*exceptFds*/);
EXPECT_EQ(0, native_handle_close(to));
EXPECT_EQ(0, native_handle_delete(to));
}
static native_handle_t* makeTestLibcutilsHandle() {
native_handle_t* handle = native_handle_create(2, 4);
handle->data[0] = dup(0);
handle->data[1] = dup(0);
handle->data[2] = 1;
handle->data[3] = 2;
handle->data[4] = 3;
handle->data[5] = 4;
return handle;
}
TEST(ConvertNativeHandle, MakeToAidlEmpty) {
native_handle_t* handle = native_handle_create(0, 0);
NativeHandle to = makeToAidl(handle);
checkEq(to, handle, false /*exceptFds*/);
// no native_handle_close b/c fds are owned by NativeHandle now
EXPECT_EQ(0, native_handle_delete(handle));
}
TEST(ConvertNativeHandle, MakeToAidl) {
native_handle_t* handle = makeTestLibcutilsHandle();
NativeHandle to = makeToAidl(handle);
checkEq(to, handle, false /*exceptFds*/);
// no native_handle_close b/c fds are owned by NativeHandle now
EXPECT_EQ(0, native_handle_delete(handle));
}
TEST(ConvertNativeHandle, DupToAidlEmpty) {
native_handle_t* handle = native_handle_create(0, 0);
NativeHandle to = dupToAidl(handle);
checkEq(to, handle, true /*exceptFds*/);
EXPECT_EQ(0, native_handle_close(handle));
EXPECT_EQ(0, native_handle_delete(handle));
}
TEST(ConvertNativeHandle, DupToAidl) {
native_handle_t* handle = makeTestLibcutilsHandle();
NativeHandle to = dupToAidl(handle);
checkEq(to, handle, true /*exceptFds*/);
EXPECT_EQ(0, native_handle_close(handle));
EXPECT_EQ(0, native_handle_delete(handle));
}
} // namespace android
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