1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "dumpstate_hidl_hal_test"
18
19 #include <android/hardware/dumpstate/1.0/IDumpstateDevice.h>
20 #include <cutils/native_handle.h>
21 #include <log/log.h>
22
23 #include <VtsHalHidlTargetTestBase.h>
24
25 using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;
26 using ::android::hardware::Return;
27 using ::android::sp;
28
29 class DumpstateHidlTest : public ::testing::VtsHalHidlTargetTestBase {
30 public:
SetUp()31 virtual void SetUp() override {
32 dumpstate = ::testing::VtsHalHidlTargetTestBase::getService<IDumpstateDevice>();
33 ASSERT_NE(dumpstate, nullptr) << "Could not get HIDL instance";
34 }
35
36 sp<IDumpstateDevice> dumpstate;
37 };
38
39 // Negative test: make sure dumpstateBoard() doesn't crash when passed a null pointer.
TEST_F(DumpstateHidlTest,TestNullHandle)40 TEST_F(DumpstateHidlTest, TestNullHandle) {
41 Return<void> status = dumpstate->dumpstateBoard(nullptr);
42
43 ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
44 }
45
46 // Negative test: make sure dumpstateBoard() ignores a handle with no FD.
TEST_F(DumpstateHidlTest,TestHandleWithNoFd)47 TEST_F(DumpstateHidlTest, TestHandleWithNoFd) {
48 native_handle_t* handle = native_handle_create(0, 0);
49 ASSERT_NE(handle, nullptr) << "Could not create native_handle";
50
51 Return<void> status = dumpstate->dumpstateBoard(handle);
52
53 ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
54
55 native_handle_close(handle);
56 native_handle_delete(handle);
57 }
58
59 // Positive test: make sure dumpstateBoard() writes something to the FD.
TEST_F(DumpstateHidlTest,TestOk)60 TEST_F(DumpstateHidlTest, TestOk) {
61 FILE* file = tmpfile();
62
63 ASSERT_NE(nullptr, file) << "Could not create temp file: " << strerror(errno);
64
65 native_handle_t* handle = native_handle_create(1, 0);
66 ASSERT_NE(handle, nullptr) << "Could not create native_handle";
67 handle->data[0] = fileno(file);
68
69 Return<void> status = dumpstate->dumpstateBoard(handle);
70 ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
71
72 // Check that at least one byte was written
73 rewind(file); // can not fail
74 char buff;
75 int read = fread(&buff, sizeof(buff), 1, file);
76 ASSERT_EQ(1, read) << "dumped nothing";
77
78 EXPECT_EQ(0, fclose(file)) << errno;
79
80 native_handle_close(handle);
81 native_handle_delete(handle);
82 }
83
84 // Positive test: make sure dumpstateBoard() doesn't crash with two FDs.
TEST_F(DumpstateHidlTest,TestHandleWithTwoFds)85 TEST_F(DumpstateHidlTest, TestHandleWithTwoFds) {
86 FILE* file1 = tmpfile();
87 FILE* file2 = tmpfile();
88
89 ASSERT_NE(nullptr, file1) << "Could not create temp file #1: " << strerror(errno);
90 ASSERT_NE(nullptr, file2) << "Could not create temp file #2: " << strerror(errno);
91
92 native_handle_t* handle = native_handle_create(2, 0);
93 ASSERT_NE(handle, nullptr) << "Could not create native_handle";
94 handle->data[0] = fileno(file1);
95 handle->data[1] = fileno(file2);
96
97 Return<void> status = dumpstate->dumpstateBoard(handle);
98 ASSERT_TRUE(status.isOk()) << "Status should be ok: " << status.description();
99
100 EXPECT_EQ(0, fclose(file1)) << errno;
101 EXPECT_EQ(0, fclose(file2)) << errno;
102
103 native_handle_close(handle);
104 native_handle_delete(handle);
105 }
106
main(int argc,char ** argv)107 int main(int argc, char** argv) {
108 ::testing::InitGoogleTest(&argc, argv);
109 int status = RUN_ALL_TESTS();
110 ALOGI("Test result = %d", status);
111 return status;
112 }
113