74e043ba2d
The native_handle API is notoriously tricky to work with, and this is expected to be very common. So, adding a small helper library. Fixes: 175432703 Test: atest libaidlcommonsupport_test Change-Id: I4a00d2b14fefe6c979ee656e353e117661a1a483
138 lines
4.5 KiB
C++
138 lines
4.5 KiB
C++
/*
|
|
* 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
|