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 "aidl_test_client_utf8_strings.h"
18 
19 #include <android-base/logging.h>
20 #include <binder/Status.h>
21 #include <utils/StrongPointer.h>
22 
23 #include <memory>
24 #include <string>
25 #include <vector>
26 
27 #include "android/aidl/tests/ITestService.h"
28 #include "test_helpers.h"
29 
30 // libutils:
31 using android::sp;
32 
33 // libbinder:
34 using android::binder::Status;
35 
36 // generated
37 using android::aidl::tests::ITestService;
38 
39 using std::unique_ptr;
40 using std::string;
41 using std::vector;
42 
43 namespace android {
44 namespace aidl {
45 namespace tests {
46 namespace client {
47 
ConfirmUtf8InCppStringRepeat(const sp<ITestService> & s)48 bool ConfirmUtf8InCppStringRepeat(const sp<ITestService>& s) {
49   const vector<string> utf8_inputs = {
50     string("Deliver us from evil."),
51     string(),
52     string("\0\0", 2),
53     // Similarly, the utf8 encodings of the small letter yee and euro sign.
54     string("\xF0\x90\x90\xB7\xE2\x82\xAC"),
55   };
56   LOG(INFO) << "Confirming repeating utf8 strings works.";
57 
58   for (const auto& input : utf8_inputs) {
59     string reply;
60     Status status = s->RepeatUtf8CppString(input, &reply);
61     if (!status.isOk() || input != reply) {
62       LOG(ERROR) << "Failed while requesting service to repeat utf8 string=\""
63                  << input
64                  << "\". Got status=" << status.toString8()
65                  << " and output=" << reply;
66       return false;
67     }
68   }
69 
70   unique_ptr<string> ret;
71   Status repeat_null_status = s->RepeatNullableUtf8CppString(nullptr, &ret);
72   if (!repeat_null_status.isOk() || ret) {
73     LOG(ERROR) << "RepeatNullableUtf8CppString(null) did not return null";
74     return false;
75   }
76 
77   for (const auto& input : utf8_inputs) {
78     unique_ptr<string> reply;
79     Status status = s->RepeatNullableUtf8CppString(
80         unique_ptr<string>(new string(input)), &reply);
81     if (!status.isOk()) {
82       LOG(ERROR) << "Got status=" << status.toString8() << " while repeating "
83                     "nullable utf8 string " << input;
84       return false;
85     }
86     if (!reply) {
87       LOG(ERROR) << "Got null reply while repeating nullable utf8 string "
88                  << input;
89       return false;
90     }
91     if (input != *reply) {
92       LOG(ERROR) << "Failed while requesting service to repeat utf8 string=\""
93                  << input
94                  << "\". Got status=" << status.toString8()
95                  << " and output=" << *reply;
96       return false;
97     }
98   }
99 
100   return true;
101 }
102 
ConfirmUtf8InCppStringArrayReverse(const sp<ITestService> & s)103 bool ConfirmUtf8InCppStringArrayReverse(const sp<ITestService>& s) {
104   LOG(INFO) << "Confirming passing and returning utf8 string arrays works.";
105   if (!ReverseArray(s, &ITestService::ReverseUtf8CppString,
106                     {string{"a"}, string{}, string{"\xc3\xb8"}})) {
107     return false;
108   }
109 
110   return true;
111 }
112 
ConfirmUtf8InCppStringListReverse(const sp<ITestService> & s)113 bool ConfirmUtf8InCppStringListReverse(const sp<ITestService>& s) {
114   LOG(INFO) << "Confirming reversing a list of utf8 strings works";
115   unique_ptr<vector<unique_ptr<string>>> input, reversed, repeated;
116   Status status = s->ReverseUtf8CppStringList(input, &reversed, &repeated);
117   if (!status.isOk() || reversed || repeated) {
118     LOG(ERROR) << "Reversing null list of utf8 strings failed.";
119     return false;
120   }
121 
122   input.reset(new vector<unique_ptr<string>>);
123   input->emplace_back(new string("Deliver us from evil."));
124   input->emplace_back(nullptr);
125   input->emplace_back(new string("\xF0\x90\x90\xB7\xE2\x82\xAC"));
126 
127   status = s->ReverseUtf8CppStringList(input, &repeated, &reversed);
128   if (!status.isOk() || !reversed || !repeated) {
129     LOG(ERROR) << "Reversing list of utf8 strings failed.";
130     return false;
131   }
132   if (reversed->size() != input->size() || repeated->size() != input->size()) {
133     LOG(ERROR) << "Bad output sizes.";
134     return false;
135   }
136 
137   for (size_t i = 0; i < input->size(); ++i) {
138     const string* input_str = (*input)[i].get();
139     const string* repeated_str = (*repeated)[i].get();
140     const string* reversed_str = (*reversed)[(reversed->size() - 1) - i].get();
141     if (!input_str) {
142       if(repeated_str || reversed_str) {
143         LOG(ERROR) << "Expected null values, but got non-null.";
144         return false;
145       }
146       // 3 nullptrs to strings.  No need to compare values.
147       continue;
148     }
149     if (!repeated_str || !reversed_str) {
150       LOG(ERROR) << "Expected non-null values, but got null.";
151       return false;
152     }
153     if (*input_str != *repeated_str || *input_str != *reversed_str) {
154       LOG(ERROR) << "Expected '" << *input_str << "' but got "
155                  << "repeated='" << *repeated_str << "' and "
156                  << "reversed='" << *reversed_str;
157       return false;
158     }
159   }
160   return true;
161 }
162 
163 
164 }  // namespace client
165 }  // namespace tests
166 }  // namespace aidl
167 }  // namespace android
168