1 /*
2 * Copyright (C) 2018 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 #include <unordered_set>
18
19 #include <android/hardware/atrace/1.0/IAtraceDevice.h>
20
21 #include <gtest/gtest.h>
22 #include <hidl/GtestPrinter.h>
23 #include <hidl/ServiceManagement.h>
24
25 using ::android::sp;
26 using ::android::hardware::hidl_string;
27 using ::android::hardware::hidl_vec;
28 using ::android::hardware::Return;
29 using ::android::hardware::atrace::V1_0::IAtraceDevice;
30 using ::android::hardware::atrace::V1_0::Status;
31
32 /**
33 * There is no expected behaviour that can be tested so these tests check the
34 * HAL doesn't crash with different execution orders.
35 */
36 struct AtraceHidlTest : public ::testing::TestWithParam<std::string> {
SetUpAtraceHidlTest37 virtual void SetUp() override {
38 atrace = IAtraceDevice::getService(GetParam());
39 ASSERT_NE(atrace, nullptr);
40 }
41
42 sp<IAtraceDevice> atrace;
43 };
44
getVendorCategoryName(sp<IAtraceDevice> atrace)45 hidl_vec<hidl_string> getVendorCategoryName(sp<IAtraceDevice> atrace) {
46 std::unordered_set<std::string> categories_set;
47 Return<void> ret = atrace->listCategories([&](const auto& list) {
48 for (const auto& category : list) {
49 std::string name = category.name;
50 if (categories_set.count(name)) {
51 ADD_FAILURE() << "Duplicate category: " << name;
52 } else {
53 categories_set.emplace(name);
54 }
55 }
56 });
57 if (!ret.isOk()) {
58 ADD_FAILURE();
59 }
60 hidl_vec<hidl_string> categories;
61 categories.resize(categories_set.size());
62 std::size_t i = 0;
63 for (auto& c : categories_set) {
64 categories[i++] = c;
65 }
66 return categories;
67 }
68
69 /* list categories from vendors. */
TEST_P(AtraceHidlTest,listCategories)70 TEST_P(AtraceHidlTest, listCategories) {
71 hidl_vec<hidl_string> vnd_categories = getVendorCategoryName(atrace);
72 EXPECT_NE(0, vnd_categories.size());
73 }
74
75 /* enable categories. */
TEST_P(AtraceHidlTest,enableCategories)76 TEST_P(AtraceHidlTest, enableCategories) {
77 hidl_vec<hidl_string> vnd_categories = getVendorCategoryName(atrace);
78 // empty Category with ERROR_INVALID_ARGUMENT
79 hidl_vec<hidl_string> empty_categories;
80 auto ret = atrace->enableCategories(empty_categories);
81 ASSERT_TRUE(ret.isOk());
82 EXPECT_EQ(Status::ERROR_INVALID_ARGUMENT, ret);
83 // non-empty categories SUCCESS
84 ret = atrace->enableCategories(vnd_categories);
85 ASSERT_TRUE(ret.isOk());
86 EXPECT_EQ(Status::SUCCESS, ret);
87 }
88
89 /* enable categories. */
TEST_P(AtraceHidlTest,disableAllCategories)90 TEST_P(AtraceHidlTest, disableAllCategories) {
91 auto ret = atrace->disableAllCategories();
92 ASSERT_TRUE(ret.isOk());
93 EXPECT_EQ(Status::SUCCESS, ret);
94 }
95
96 INSTANTIATE_TEST_SUITE_P(
97 PerInstance, AtraceHidlTest,
98 testing::ValuesIn(android::hardware::getAllHalInstanceNames(IAtraceDevice::descriptor)),
99 android::hardware::PrintInstanceNameToString);
100