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 #include "gtest/gtest.h"
18
19 #include "chre/apps/wifi_offload/chre_scan_params_safe.h"
20 #include "include/utility.h"
21
22 class ChreScanParamsSafeTest : public testing::Test {
23 public:
24 wifi_offload_test::RandomGenerator random_gen_;
25 wifi_offload::ScanParams nanoapp_scan_params_;
26
ConstructChreScanParamsSafeAndCompareWithOrigScanParams()27 void ConstructChreScanParamsSafeAndCompareWithOrigScanParams() {
28 wifi_offload::ChreScanParamsSafe chre_scan_params_safe(
29 nanoapp_scan_params_);
30 const chreWifiScanParams *chre_scan_params =
31 chre_scan_params_safe.GetChreWifiScanParams();
32
33 EXPECT_EQ(CHRE_WIFI_SCAN_TYPE_ACTIVE_PLUS_PASSIVE_DFS,
34 chre_scan_params->scanType);
35 EXPECT_EQ(0, chre_scan_params->maxScanAgeMs);
36
37 ASSERT_EQ(nanoapp_scan_params_.ssids_to_scan_.size(),
38 chre_scan_params->ssidListLen);
39 for (size_t i = 0; i < chre_scan_params->ssidListLen; i++) {
40 chreWifiSsidListItem ssid_item;
41 nanoapp_scan_params_.ssids_to_scan_[i].ToChreWifiSsidListItem(&ssid_item);
42 ASSERT_EQ(ssid_item.ssidLen, chre_scan_params->ssidList[i].ssidLen);
43 EXPECT_EQ(0,
44 std::memcmp(ssid_item.ssid, chre_scan_params->ssidList[i].ssid,
45 chre_scan_params->ssidList[i].ssidLen));
46 }
47 ASSERT_EQ(nanoapp_scan_params_.frequencies_to_scan_mhz_.size(),
48 chre_scan_params->frequencyListLen);
49 EXPECT_EQ(
50 0, std::memcmp(nanoapp_scan_params_.frequencies_to_scan_mhz_.data(),
51 chre_scan_params->frequencyList,
52 chre_scan_params->frequencyListLen * sizeof(uint32_t)));
53 }
54 };
55
TEST_F(ChreScanParamsSafeTest,ConstructsChreScanParamsSafeAndComparesWithOriginalScanParams)56 TEST_F(ChreScanParamsSafeTest,
57 ConstructsChreScanParamsSafeAndComparesWithOriginalScanParams) {
58 init(nanoapp_scan_params_.frequencies_to_scan_mhz_, random_gen_,
59 CHRE_WIFI_FREQUENCY_LIST_MAX_LEN - 5);
60 init(nanoapp_scan_params_.ssids_to_scan_, random_gen_,
61 CHRE_WIFI_SSID_LIST_MAX_LEN - 2);
62 ConstructChreScanParamsSafeAndCompareWithOrigScanParams();
63 }
64
TEST_F(ChreScanParamsSafeTest,ConstructsChreScanParamsSafeWithEmptyFreqList)65 TEST_F(ChreScanParamsSafeTest, ConstructsChreScanParamsSafeWithEmptyFreqList) {
66 init(nanoapp_scan_params_.ssids_to_scan_, random_gen_,
67 CHRE_WIFI_SSID_LIST_MAX_LEN - 2);
68 ConstructChreScanParamsSafeAndCompareWithOrigScanParams();
69 }
70
TEST_F(ChreScanParamsSafeTest,ConstructsChreScanParamsSafeWithEmptySsidList)71 TEST_F(ChreScanParamsSafeTest, ConstructsChreScanParamsSafeWithEmptySsidList) {
72 init(nanoapp_scan_params_.frequencies_to_scan_mhz_, random_gen_,
73 CHRE_WIFI_FREQUENCY_LIST_MAX_LEN - 5);
74 ConstructChreScanParamsSafeAndCompareWithOrigScanParams();
75 }
76
TEST_F(ChreScanParamsSafeTest,ChreScanParamsSafeTruncatesLongLists)77 TEST_F(ChreScanParamsSafeTest, ChreScanParamsSafeTruncatesLongLists) {
78 // initialize frequency and ssid lists to exceed limit size
79 init(nanoapp_scan_params_.frequencies_to_scan_mhz_, random_gen_,
80 CHRE_WIFI_FREQUENCY_LIST_MAX_LEN + 5);
81 init(nanoapp_scan_params_.ssids_to_scan_, random_gen_,
82 CHRE_WIFI_SSID_LIST_MAX_LEN + 2);
83
84 wifi_offload::ChreScanParamsSafe chre_scan_params_safe(nanoapp_scan_params_);
85 const chreWifiScanParams *chre_scan_params =
86 chre_scan_params_safe.GetChreWifiScanParams();
87
88 EXPECT_EQ(CHRE_WIFI_SSID_LIST_MAX_LEN, chre_scan_params->ssidListLen);
89 EXPECT_EQ(CHRE_WIFI_FREQUENCY_LIST_MAX_LEN,
90 chre_scan_params->frequencyListLen);
91 }
92