1 /* 2 * Copyright (C) 2016 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 <gtest/gtest.h> 18 19 #include <stdio.h> 20 21 #include <hardware/hardware.h> 22 #include <hardware/power.h> 23 #include <utils/Log.h> 24 25 #include <iostream> 26 27 using namespace std; 28 29 namespace { 30 31 // VTS structural testcase for HAL Power basic functionalities. 32 class VtsStructuralTestHalPowerTest : public ::testing::Test { 33 protected: 34 VtsStructuralTestHalPowerTest() { 35 int rc = 36 hw_get_module(POWER_HARDWARE_MODULE_ID, (hw_module_t const **)&module_); 37 if (rc || !module_) { 38 cerr << "could not find any power HAL module." << endl; 39 module_ = NULL; 40 return; 41 } 42 if (module_->init) module_->init(module_); 43 } 44 45 virtual ~VtsStructuralTestHalPowerTest() {} 46 47 virtual void SetUp() { 48 // define operations to execute before running each testcase. 49 ASSERT_TRUE(module_->get_number_of_platform_modes) 50 << "get_number_of_platform_modes is NULL"; 51 ASSERT_TRUE(module_->get_voter_list) << "get_voter_list is NULL"; 52 ASSERT_TRUE(module_->get_number_of_platform_modes) 53 << "get_number_of_platform_modes is NULL"; 54 num_modes_ = module_->get_number_of_platform_modes(module_); 55 ASSERT_GT(num_modes_, 0) << "num_modes_ should be at least 1"; 56 } 57 58 virtual void TearDown() { 59 // define operations to execute after running each testcase. 60 } 61 62 struct power_module *module_; 63 64 int num_modes_; 65 }; 66 67 // get_number_of_platform_modes should always return the same value 68 // irrespective of how many times invoked. 69 TEST_F(VtsStructuralTestHalPowerTest, 70 get_number_of_platform_modes_returns_same_value) { 71 // NOTE: We can repeat this for few more times in a loop if the test can 72 // run longer. 73 sleep(1); 74 int rc2 = module_->get_number_of_platform_modes(module_); 75 EXPECT_EQ(num_modes_, rc2) 76 << "get_number_of_platform_modes returned unequal values"; 77 } 78 79 // Check if residency duration and count decreases between successive 80 // invocations. 81 TEST_F(VtsStructuralTestHalPowerTest, check_if_the_values_decrease) { 82 power_state_platform_sleep_state_t *list1 = 83 (power_state_platform_sleep_state_t *)calloc( 84 num_modes_, sizeof(power_state_platform_sleep_state_t)); 85 ASSERT_TRUE(list1) << "power_state_platform_sleep_state_t* alloc failed"; 86 87 power_state_platform_sleep_state_t *list2 = 88 (power_state_platform_sleep_state_t *)calloc( 89 num_modes_, sizeof(power_state_platform_sleep_state_t)); 90 ASSERT_TRUE(list2) << "power_state_platform_sleep_state_t* alloc failed"; 91 92 size_t *voter_list = (size_t *)calloc(num_modes_, sizeof(*voter_list)); 93 ASSERT_TRUE(voter_list) << "voter_list* alloc failed"; 94 95 module_->get_voter_list(module_, voter_list); 96 97 for (int i = 0; i < num_modes_; i++) { 98 list1[i].voters = (power_state_voter_t *)calloc( 99 voter_list[i], sizeof(power_state_voter_t)); 100 ASSERT_TRUE(list1[i].voters) << "voter_t allocation failed"; 101 102 list2[i].voters = (power_state_voter_t *)calloc( 103 voter_list[i], sizeof(power_state_voter_t)); 104 105 ASSERT_TRUE(list2[i].voters) << "voter_t allocation failed"; 106 } 107 108 ASSERT_EQ(0, module_->get_platform_low_power_stats(module_, list1)) 109 << "get_platform_low_power_stats failed"; 110 sleep(2); 111 ASSERT_EQ(0, module_->get_platform_low_power_stats(module_, list2)) 112 << "get_platform_low_power_stats failed"; 113 114 for (int i = 0; i < num_modes_; i++) { 115 EXPECT_LE(list1[i].residency_in_msec_since_boot, 116 list2[i].residency_in_msec_since_boot) 117 << "residency_in_msec_since_boot decreased"; 118 EXPECT_LE(list1[i].total_transitions, list2[i].total_transitions) 119 << "total_transitions decreased"; 120 121 for (unsigned int j = 0; j < list1[i].number_of_voters; j++) { 122 EXPECT_LE(list1[i].voters[j].total_time_in_msec_voted_for_since_boot, 123 list2[i].voters[j].total_time_in_msec_voted_for_since_boot) 124 << "total_time_in_msec_voted_for_since_boot decreased"; 125 EXPECT_LE(list1[i].voters[j].total_number_of_times_voted_since_boot, 126 list2[i].voters[j].total_number_of_times_voted_since_boot) 127 << "total_number_of_times_voted_since_boot decreased"; 128 } 129 } 130 for (int i = 0; i < num_modes_; i++) { 131 free(list1[i].voters); 132 free(list2[i].voters); 133 } 134 free(list1); 135 free(list2); 136 free(voter_list); 137 } 138 139 // Check if get_platform_low_power_stats succeeds. 140 TEST_F(VtsStructuralTestHalPowerTest, 141 check_if_get_platform_low_power_stats_returns_success) { 142 power_state_platform_sleep_state_t *list1 = 143 (power_state_platform_sleep_state_t *)calloc( 144 num_modes_, sizeof(power_state_platform_sleep_state_t)); 145 ASSERT_TRUE(list1) << "power_state_platform_sleep_state_t* alloc failed"; 146 147 size_t *voter_list = (size_t *)calloc(num_modes_, sizeof(*voter_list)); 148 ASSERT_TRUE(voter_list) << "voter_t allocation failed"; 149 150 module_->get_voter_list(module_, voter_list); 151 for (int i = 0; i < num_modes_; i++) { 152 list1[i].voters = (power_state_voter_t *)calloc( 153 voter_list[i], sizeof(power_state_voter_t)); 154 ASSERT_TRUE(list1[i].voters) << "voter_t allocation failed"; 155 } 156 EXPECT_EQ(0, module_->get_platform_low_power_stats(module_, list1)) 157 << "get_platform_low_power_stats failed"; 158 for (int i = 0; i < num_modes_; i++) { 159 free(list1[i].voters); 160 } 161 free(list1); 162 free(voter_list); 163 } 164 } // namespace 165
