107 lines
3.7 KiB
C++
107 lines
3.7 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "dumpstate_hidl_hal_test"
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#include <fcntl.h>
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#include <unistd.h>
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#include <android/hardware/dumpstate/1.0/IDumpstateDevice.h>
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#include <cutils/native_handle.h>
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#include <gtest/gtest.h>
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#include <hidl/GtestPrinter.h>
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#include <hidl/ServiceManagement.h>
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#include <log/log.h>
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using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;
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using ::android::hardware::Return;
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using ::android::sp;
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class DumpstateHidlTest : public ::testing::TestWithParam<std::string> {
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public:
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virtual void SetUp() override {
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dumpstate = IDumpstateDevice::getService(GetParam());
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ASSERT_NE(dumpstate, nullptr) << "Could not get HIDL instance";
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}
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sp<IDumpstateDevice> dumpstate;
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};
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// Negative test: make sure dumpstateBoard() doesn't crash when passed a null pointer.
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TEST_P(DumpstateHidlTest, TestNullHandle) {
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Return<void> status = dumpstate->dumpstateBoard(nullptr);
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ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
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}
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// Negative test: make sure dumpstateBoard() ignores a handle with no FD.
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TEST_P(DumpstateHidlTest, TestHandleWithNoFd) {
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native_handle_t* handle = native_handle_create(0, 0);
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ASSERT_NE(handle, nullptr) << "Could not create native_handle";
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Return<void> status = dumpstate->dumpstateBoard(handle);
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ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
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native_handle_close(handle);
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native_handle_delete(handle);
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}
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// Positive test: make sure dumpstateBoard() writes something to the FD.
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TEST_P(DumpstateHidlTest, TestOk) {
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// Index 0 corresponds to the read end of the pipe; 1 to the write end.
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int fds[2];
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ASSERT_EQ(0, pipe2(fds, O_NONBLOCK)) << errno;
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native_handle_t* handle = native_handle_create(1, 0);
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ASSERT_NE(handle, nullptr) << "Could not create native_handle";
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handle->data[0] = fds[1];
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Return<void> status = dumpstate->dumpstateBoard(handle);
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ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
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// Check that at least one byte was written
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char buff;
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ASSERT_EQ(1, read(fds[0], &buff, 1)) << "dumped nothing";
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native_handle_close(handle);
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native_handle_delete(handle);
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}
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// Positive test: make sure dumpstateBoard() doesn't crash with two FDs.
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TEST_P(DumpstateHidlTest, TestHandleWithTwoFds) {
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int fds1[2];
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int fds2[2];
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ASSERT_EQ(0, pipe2(fds1, O_NONBLOCK)) << errno;
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ASSERT_EQ(0, pipe2(fds2, O_NONBLOCK)) << errno;
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native_handle_t* handle = native_handle_create(2, 0);
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ASSERT_NE(handle, nullptr) << "Could not create native_handle";
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handle->data[0] = fds1[1];
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handle->data[1] = fds2[1];
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Return<void> status = dumpstate->dumpstateBoard(handle);
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ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
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native_handle_close(handle);
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native_handle_delete(handle);
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}
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GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(DumpstateHidlTest);
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INSTANTIATE_TEST_SUITE_P(
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PerInstance, DumpstateHidlTest,
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testing::ValuesIn(android::hardware::getAllHalInstanceNames(IDumpstateDevice::descriptor)),
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android::hardware::PrintInstanceNameToString);
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