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Diffstat (limited to 'common/support/test.cpp')
| -rw-r--r-- | common/support/test.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/common/support/test.cpp b/common/support/test.cpp new file mode 100644 index 0000000000..235927709c --- /dev/null +++ b/common/support/test.cpp @@ -0,0 +1,138 @@ +/* + * 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 |