1 // Copyright 2020 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14
15 #include "pw_status/status_with_size.h"
16
17 #include "pw_unit_test/framework.h"
18
19 namespace pw {
20 namespace {
21
22 static_assert(StatusWithSize::max_size() ==
23 (static_cast<size_t>(1) << (sizeof(size_t) * 8 - 5)) - 1,
24 "max_size() should use all but the top 5 bits of a size_t.");
25
TEST(StatusWithSize,Default)26 TEST(StatusWithSize, Default) {
27 StatusWithSize result;
28 EXPECT_TRUE(result.ok());
29 EXPECT_EQ(Status(), result.status());
30 EXPECT_EQ(0u, result.size());
31 }
32
TEST(StatusWithSize,ConstructWithSize)33 TEST(StatusWithSize, ConstructWithSize) {
34 StatusWithSize result = StatusWithSize(456);
35 EXPECT_TRUE(result.ok());
36 EXPECT_EQ(Status(), result.status());
37 EXPECT_EQ(456u, result.size());
38 }
39
TEST(StatusWithSize,ConstructWithError)40 TEST(StatusWithSize, ConstructWithError) {
41 StatusWithSize result(Status::ResourceExhausted(), 123);
42 EXPECT_FALSE(result.ok());
43 EXPECT_EQ(Status::ResourceExhausted(), result.status());
44 EXPECT_EQ(123u, result.size());
45 }
46
TEST(StatusWithSize,ConstructWithOkAndSize)47 TEST(StatusWithSize, ConstructWithOkAndSize) {
48 StatusWithSize result(Status(), 99);
49 EXPECT_TRUE(result.ok());
50 EXPECT_EQ(Status(), result.status());
51 EXPECT_EQ(99u, result.size());
52 }
53
TEST(StatusWithSize,ConstructFromConstant)54 TEST(StatusWithSize, ConstructFromConstant) {
55 StatusWithSize result(StatusWithSize::AlreadyExists());
56
57 EXPECT_EQ(Status::AlreadyExists(), result.status());
58 EXPECT_EQ(0u, result.size());
59
60 result = StatusWithSize::NotFound();
61
62 EXPECT_EQ(Status::NotFound(), result.status());
63 EXPECT_EQ(0u, result.size());
64 }
65
TEST(StatusWithSize,AllStatusValues_ZeroSize)66 TEST(StatusWithSize, AllStatusValues_ZeroSize) {
67 for (int i = 0; i < 32; ++i) {
68 StatusWithSize result(static_cast<Status::Code>(i), 0);
69 EXPECT_EQ(result.ok(), i == 0);
70 EXPECT_EQ(i, static_cast<int>(result.status().code()));
71 EXPECT_EQ(0u, result.size());
72 }
73 }
74
TEST(StatusWithSize,AllStatusValues_SameSize)75 TEST(StatusWithSize, AllStatusValues_SameSize) {
76 for (int i = 0; i < 32; ++i) {
77 StatusWithSize result(static_cast<Status::Code>(i), i);
78 EXPECT_EQ(result.ok(), i == 0);
79 EXPECT_EQ(i, static_cast<int>(result.status().code()));
80 EXPECT_EQ(static_cast<size_t>(i), result.size());
81 }
82 }
83
TEST(StatusWithSize,AllStatusValues_SizeOr)84 TEST(StatusWithSize, AllStatusValues_SizeOr) {
85 for (int i = 0; i < 32; ++i) {
86 StatusWithSize result(static_cast<Status::Code>(i), i);
87 EXPECT_EQ(result.ok(), i == 0);
88 EXPECT_EQ(i, static_cast<int>(result.status().code()));
89 EXPECT_EQ(0u, result.size_or(0));
90 }
91 }
92
TEST(StatusWithSize,AllStatusValues_MaxSize)93 TEST(StatusWithSize, AllStatusValues_MaxSize) {
94 for (int i = 0; i < 32; ++i) {
95 StatusWithSize result(static_cast<Status::Code>(i),
96 StatusWithSize::max_size());
97 EXPECT_EQ(result.ok(), i == 0);
98 EXPECT_EQ(i, static_cast<int>(result.status().code()));
99 EXPECT_EQ(result.max_size(), result.size());
100 }
101 }
102
TEST(StatusWithSize,Assignment)103 TEST(StatusWithSize, Assignment) {
104 StatusWithSize result = StatusWithSize(Status::Internal(), 0x123);
105 EXPECT_FALSE(result.ok());
106 EXPECT_EQ(Status::Internal(), result.status());
107 EXPECT_EQ(0x123u, result.size());
108
109 result = StatusWithSize(300);
110 EXPECT_TRUE(result.ok());
111 EXPECT_EQ(Status(), result.status());
112 EXPECT_EQ(300u, result.size());
113 }
114
TEST(StatusWithSize,Constexpr)115 TEST(StatusWithSize, Constexpr) {
116 constexpr StatusWithSize result(Status::Cancelled(), 1234);
117 static_assert(Status::Cancelled() == result.status());
118 static_assert(!result.ok());
119 static_assert(1234u == result.size());
120 }
121
TEST(StatusWithSize,Functions_Status)122 TEST(StatusWithSize, Functions_Status) {
123 // clang-format off
124 static_assert(StatusWithSize(0).status() == Status());
125 static_assert(StatusWithSize::Cancelled().status() == Status::Cancelled());
126 static_assert(StatusWithSize::Unknown().status() == Status::Unknown());
127 static_assert(StatusWithSize::InvalidArgument().status() == Status::InvalidArgument());
128 static_assert(StatusWithSize::DeadlineExceeded().status() == Status::DeadlineExceeded());
129 static_assert(StatusWithSize::NotFound().status() == Status::NotFound());
130 static_assert(StatusWithSize::AlreadyExists().status() == Status::AlreadyExists());
131 static_assert(StatusWithSize::PermissionDenied().status() == Status::PermissionDenied());
132 static_assert(StatusWithSize::Unauthenticated().status() == Status::Unauthenticated());
133 static_assert(StatusWithSize::ResourceExhausted().status() == Status::ResourceExhausted());
134 static_assert(StatusWithSize::FailedPrecondition().status() == Status::FailedPrecondition());
135 static_assert(StatusWithSize::Aborted().status() == Status::Aborted());
136 static_assert(StatusWithSize::OutOfRange().status() == Status::OutOfRange());
137 static_assert(StatusWithSize::Unimplemented().status() == Status::Unimplemented());
138 static_assert(StatusWithSize::Internal().status() == Status::Internal());
139 static_assert(StatusWithSize::Unavailable().status() == Status::Unavailable());
140 static_assert(StatusWithSize::DataLoss().status() == Status::DataLoss());
141
142 static_assert(StatusWithSize(123).status() == Status());
143 static_assert(StatusWithSize::Cancelled(123).status() == Status::Cancelled());
144 static_assert(StatusWithSize::Unknown(123).status() == Status::Unknown());
145 static_assert(StatusWithSize::InvalidArgument(123).status() == Status::InvalidArgument());
146 static_assert(StatusWithSize::DeadlineExceeded(123).status() == Status::DeadlineExceeded());
147 static_assert(StatusWithSize::NotFound(123).status() == Status::NotFound());
148 static_assert(StatusWithSize::AlreadyExists(123).status() == Status::AlreadyExists());
149 static_assert(StatusWithSize::PermissionDenied(123).status() == Status::PermissionDenied());
150 static_assert(StatusWithSize::Unauthenticated(123).status() == Status::Unauthenticated());
151 static_assert(StatusWithSize::ResourceExhausted(123).status() == Status::ResourceExhausted());
152 static_assert(StatusWithSize::FailedPrecondition(123).status() == Status::FailedPrecondition());
153 static_assert(StatusWithSize::Aborted(123).status() == Status::Aborted());
154 static_assert(StatusWithSize::OutOfRange(123).status() == Status::OutOfRange());
155 static_assert(StatusWithSize::Unimplemented(123).status() == Status::Unimplemented());
156 static_assert(StatusWithSize::Internal(123).status() == Status::Internal());
157 static_assert(StatusWithSize::Unavailable(123).status() == Status::Unavailable());
158 static_assert(StatusWithSize::DataLoss(123).status() == Status::DataLoss());
159 // clang-format on
160 }
161
TEST(StatusWithSize,Functions_DefaultSize)162 TEST(StatusWithSize, Functions_DefaultSize) {
163 static_assert(StatusWithSize::Cancelled().size() == 0u);
164 static_assert(StatusWithSize::Unknown().size() == 0u);
165 static_assert(StatusWithSize::InvalidArgument().size() == 0u);
166 static_assert(StatusWithSize::DeadlineExceeded().size() == 0u);
167 static_assert(StatusWithSize::NotFound().size() == 0u);
168 static_assert(StatusWithSize::AlreadyExists().size() == 0u);
169 static_assert(StatusWithSize::PermissionDenied().size() == 0u);
170 static_assert(StatusWithSize::Unauthenticated().size() == 0u);
171 static_assert(StatusWithSize::ResourceExhausted().size() == 0u);
172 static_assert(StatusWithSize::FailedPrecondition().size() == 0u);
173 static_assert(StatusWithSize::Aborted().size() == 0u);
174 static_assert(StatusWithSize::OutOfRange().size() == 0u);
175 static_assert(StatusWithSize::Unimplemented().size() == 0u);
176 static_assert(StatusWithSize::Internal().size() == 0u);
177 static_assert(StatusWithSize::Unavailable().size() == 0u);
178 static_assert(StatusWithSize::DataLoss().size() == 0u);
179 }
180
TEST(StatusWithSize,Functions_SpecifiedSize)181 TEST(StatusWithSize, Functions_SpecifiedSize) {
182 static_assert(StatusWithSize(123).size() == 123u);
183 static_assert(StatusWithSize::Cancelled(123).size() == 123u);
184 static_assert(StatusWithSize::Unknown(123).size() == 123u);
185 static_assert(StatusWithSize::InvalidArgument(123).size() == 123u);
186 static_assert(StatusWithSize::DeadlineExceeded(123).size() == 123u);
187 static_assert(StatusWithSize::NotFound(123).size() == 123u);
188 static_assert(StatusWithSize::AlreadyExists(123).size() == 123u);
189 static_assert(StatusWithSize::PermissionDenied(123).size() == 123u);
190 static_assert(StatusWithSize::Unauthenticated(123).size() == 123u);
191 static_assert(StatusWithSize::ResourceExhausted(123).size() == 123u);
192 static_assert(StatusWithSize::FailedPrecondition(123).size() == 123u);
193 static_assert(StatusWithSize::Aborted(123).size() == 123u);
194 static_assert(StatusWithSize::OutOfRange(123).size() == 123u);
195 static_assert(StatusWithSize::Unimplemented(123).size() == 123u);
196 static_assert(StatusWithSize::Internal(123).size() == 123u);
197 static_assert(StatusWithSize::Unavailable(123).size() == 123u);
198 static_assert(StatusWithSize::DataLoss(123).size() == 123u);
199 }
200
TEST(StatusWithSize,IsError)201 TEST(StatusWithSize, IsError) {
202 static_assert(StatusWithSize::Cancelled().IsCancelled());
203 static_assert(StatusWithSize::Unknown().IsUnknown());
204 static_assert(StatusWithSize::InvalidArgument().IsInvalidArgument());
205 static_assert(StatusWithSize::DeadlineExceeded().IsDeadlineExceeded());
206 static_assert(StatusWithSize::NotFound().IsNotFound());
207 static_assert(StatusWithSize::AlreadyExists().IsAlreadyExists());
208 static_assert(StatusWithSize::PermissionDenied().IsPermissionDenied());
209 static_assert(StatusWithSize::ResourceExhausted().IsResourceExhausted());
210 static_assert(StatusWithSize::FailedPrecondition().IsFailedPrecondition());
211 static_assert(StatusWithSize::Aborted().IsAborted());
212 static_assert(StatusWithSize::OutOfRange().IsOutOfRange());
213 static_assert(StatusWithSize::Unimplemented().IsUnimplemented());
214 static_assert(StatusWithSize::Internal().IsInternal());
215 static_assert(StatusWithSize::Unavailable().IsUnavailable());
216 static_assert(StatusWithSize::DataLoss().IsDataLoss());
217 static_assert(StatusWithSize::Unauthenticated().IsUnauthenticated());
218 }
219
TEST(StatusWithSize,IsNotError)220 TEST(StatusWithSize, IsNotError) {
221 static_assert(!StatusWithSize(0).IsCancelled());
222 static_assert(!StatusWithSize(0).IsUnknown());
223 static_assert(!StatusWithSize(0).IsInvalidArgument());
224 static_assert(!StatusWithSize(0).IsDeadlineExceeded());
225 static_assert(!StatusWithSize(0).IsNotFound());
226 static_assert(!StatusWithSize(0).IsAlreadyExists());
227 static_assert(!StatusWithSize(0).IsPermissionDenied());
228 static_assert(!StatusWithSize(0).IsUnauthenticated());
229 static_assert(!StatusWithSize(0).IsResourceExhausted());
230 static_assert(!StatusWithSize(0).IsFailedPrecondition());
231 static_assert(!StatusWithSize(0).IsAborted());
232 static_assert(!StatusWithSize(0).IsOutOfRange());
233 static_assert(!StatusWithSize(0).IsUnimplemented());
234 static_assert(!StatusWithSize(0).IsInternal());
235 static_assert(!StatusWithSize(0).IsUnavailable());
236 static_assert(!StatusWithSize(0).IsDataLoss());
237 }
238 } // namespace
239 } // namespace pw
240