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_MaxSize)84 TEST(StatusWithSize, AllStatusValues_MaxSize) {
85 for (int i = 0; i < 32; ++i) {
86 StatusWithSize result(static_cast<Status::Code>(i),
87 StatusWithSize::max_size());
88 EXPECT_EQ(result.ok(), i == 0);
89 EXPECT_EQ(i, static_cast<int>(result.status().code()));
90 EXPECT_EQ(result.max_size(), result.size());
91 }
92 }
93
TEST(StatusWithSize,Assignment)94 TEST(StatusWithSize, Assignment) {
95 StatusWithSize result = StatusWithSize(Status::Internal(), 0x123);
96 EXPECT_FALSE(result.ok());
97 EXPECT_EQ(Status::Internal(), result.status());
98 EXPECT_EQ(0x123u, result.size());
99
100 result = StatusWithSize(300);
101 EXPECT_TRUE(result.ok());
102 EXPECT_EQ(Status(), result.status());
103 EXPECT_EQ(300u, result.size());
104 }
105
TEST(StatusWithSize,Constexpr)106 TEST(StatusWithSize, Constexpr) {
107 constexpr StatusWithSize result(Status::Cancelled(), 1234);
108 static_assert(Status::Cancelled() == result.status());
109 static_assert(!result.ok());
110 static_assert(1234u == result.size());
111 }
112
TEST(StatusWithSize,Functions_Status)113 TEST(StatusWithSize, Functions_Status) {
114 // clang-format off
115 static_assert(StatusWithSize(0).status() == Status());
116 static_assert(StatusWithSize::Cancelled().status() == Status::Cancelled());
117 static_assert(StatusWithSize::Unknown().status() == Status::Unknown());
118 static_assert(StatusWithSize::InvalidArgument().status() == Status::InvalidArgument());
119 static_assert(StatusWithSize::DeadlineExceeded().status() == Status::DeadlineExceeded());
120 static_assert(StatusWithSize::NotFound().status() == Status::NotFound());
121 static_assert(StatusWithSize::AlreadyExists().status() == Status::AlreadyExists());
122 static_assert(StatusWithSize::PermissionDenied().status() == Status::PermissionDenied());
123 static_assert(StatusWithSize::Unauthenticated().status() == Status::Unauthenticated());
124 static_assert(StatusWithSize::ResourceExhausted().status() == Status::ResourceExhausted());
125 static_assert(StatusWithSize::FailedPrecondition().status() == Status::FailedPrecondition());
126 static_assert(StatusWithSize::Aborted().status() == Status::Aborted());
127 static_assert(StatusWithSize::OutOfRange().status() == Status::OutOfRange());
128 static_assert(StatusWithSize::Unimplemented().status() == Status::Unimplemented());
129 static_assert(StatusWithSize::Internal().status() == Status::Internal());
130 static_assert(StatusWithSize::Unavailable().status() == Status::Unavailable());
131 static_assert(StatusWithSize::DataLoss().status() == Status::DataLoss());
132
133 static_assert(StatusWithSize(123).status() == Status());
134 static_assert(StatusWithSize::Cancelled(123).status() == Status::Cancelled());
135 static_assert(StatusWithSize::Unknown(123).status() == Status::Unknown());
136 static_assert(StatusWithSize::InvalidArgument(123).status() == Status::InvalidArgument());
137 static_assert(StatusWithSize::DeadlineExceeded(123).status() == Status::DeadlineExceeded());
138 static_assert(StatusWithSize::NotFound(123).status() == Status::NotFound());
139 static_assert(StatusWithSize::AlreadyExists(123).status() == Status::AlreadyExists());
140 static_assert(StatusWithSize::PermissionDenied(123).status() == Status::PermissionDenied());
141 static_assert(StatusWithSize::Unauthenticated(123).status() == Status::Unauthenticated());
142 static_assert(StatusWithSize::ResourceExhausted(123).status() == Status::ResourceExhausted());
143 static_assert(StatusWithSize::FailedPrecondition(123).status() == Status::FailedPrecondition());
144 static_assert(StatusWithSize::Aborted(123).status() == Status::Aborted());
145 static_assert(StatusWithSize::OutOfRange(123).status() == Status::OutOfRange());
146 static_assert(StatusWithSize::Unimplemented(123).status() == Status::Unimplemented());
147 static_assert(StatusWithSize::Internal(123).status() == Status::Internal());
148 static_assert(StatusWithSize::Unavailable(123).status() == Status::Unavailable());
149 static_assert(StatusWithSize::DataLoss(123).status() == Status::DataLoss());
150 // clang-format on
151 }
152
TEST(StatusWithSize,Functions_DefaultSize)153 TEST(StatusWithSize, Functions_DefaultSize) {
154 static_assert(StatusWithSize::Cancelled().size() == 0u);
155 static_assert(StatusWithSize::Unknown().size() == 0u);
156 static_assert(StatusWithSize::InvalidArgument().size() == 0u);
157 static_assert(StatusWithSize::DeadlineExceeded().size() == 0u);
158 static_assert(StatusWithSize::NotFound().size() == 0u);
159 static_assert(StatusWithSize::AlreadyExists().size() == 0u);
160 static_assert(StatusWithSize::PermissionDenied().size() == 0u);
161 static_assert(StatusWithSize::Unauthenticated().size() == 0u);
162 static_assert(StatusWithSize::ResourceExhausted().size() == 0u);
163 static_assert(StatusWithSize::FailedPrecondition().size() == 0u);
164 static_assert(StatusWithSize::Aborted().size() == 0u);
165 static_assert(StatusWithSize::OutOfRange().size() == 0u);
166 static_assert(StatusWithSize::Unimplemented().size() == 0u);
167 static_assert(StatusWithSize::Internal().size() == 0u);
168 static_assert(StatusWithSize::Unavailable().size() == 0u);
169 static_assert(StatusWithSize::DataLoss().size() == 0u);
170 }
171
TEST(StatusWithSize,Functions_SpecifiedSize)172 TEST(StatusWithSize, Functions_SpecifiedSize) {
173 static_assert(StatusWithSize(123).size() == 123u);
174 static_assert(StatusWithSize::Cancelled(123).size() == 123u);
175 static_assert(StatusWithSize::Unknown(123).size() == 123u);
176 static_assert(StatusWithSize::InvalidArgument(123).size() == 123u);
177 static_assert(StatusWithSize::DeadlineExceeded(123).size() == 123u);
178 static_assert(StatusWithSize::NotFound(123).size() == 123u);
179 static_assert(StatusWithSize::AlreadyExists(123).size() == 123u);
180 static_assert(StatusWithSize::PermissionDenied(123).size() == 123u);
181 static_assert(StatusWithSize::Unauthenticated(123).size() == 123u);
182 static_assert(StatusWithSize::ResourceExhausted(123).size() == 123u);
183 static_assert(StatusWithSize::FailedPrecondition(123).size() == 123u);
184 static_assert(StatusWithSize::Aborted(123).size() == 123u);
185 static_assert(StatusWithSize::OutOfRange(123).size() == 123u);
186 static_assert(StatusWithSize::Unimplemented(123).size() == 123u);
187 static_assert(StatusWithSize::Internal(123).size() == 123u);
188 static_assert(StatusWithSize::Unavailable(123).size() == 123u);
189 static_assert(StatusWithSize::DataLoss(123).size() == 123u);
190 }
191
TEST(StatusWithSize,IsError)192 TEST(StatusWithSize, IsError) {
193 static_assert(StatusWithSize::Cancelled().IsCancelled());
194 static_assert(StatusWithSize::Unknown().IsUnknown());
195 static_assert(StatusWithSize::InvalidArgument().IsInvalidArgument());
196 static_assert(StatusWithSize::DeadlineExceeded().IsDeadlineExceeded());
197 static_assert(StatusWithSize::NotFound().IsNotFound());
198 static_assert(StatusWithSize::AlreadyExists().IsAlreadyExists());
199 static_assert(StatusWithSize::PermissionDenied().IsPermissionDenied());
200 static_assert(StatusWithSize::ResourceExhausted().IsResourceExhausted());
201 static_assert(StatusWithSize::FailedPrecondition().IsFailedPrecondition());
202 static_assert(StatusWithSize::Aborted().IsAborted());
203 static_assert(StatusWithSize::OutOfRange().IsOutOfRange());
204 static_assert(StatusWithSize::Unimplemented().IsUnimplemented());
205 static_assert(StatusWithSize::Internal().IsInternal());
206 static_assert(StatusWithSize::Unavailable().IsUnavailable());
207 static_assert(StatusWithSize::DataLoss().IsDataLoss());
208 static_assert(StatusWithSize::Unauthenticated().IsUnauthenticated());
209 }
210
TEST(StatusWithSize,IsNotError)211 TEST(StatusWithSize, IsNotError) {
212 static_assert(!StatusWithSize(0).IsCancelled());
213 static_assert(!StatusWithSize(0).IsUnknown());
214 static_assert(!StatusWithSize(0).IsInvalidArgument());
215 static_assert(!StatusWithSize(0).IsDeadlineExceeded());
216 static_assert(!StatusWithSize(0).IsNotFound());
217 static_assert(!StatusWithSize(0).IsAlreadyExists());
218 static_assert(!StatusWithSize(0).IsPermissionDenied());
219 static_assert(!StatusWithSize(0).IsUnauthenticated());
220 static_assert(!StatusWithSize(0).IsResourceExhausted());
221 static_assert(!StatusWithSize(0).IsFailedPrecondition());
222 static_assert(!StatusWithSize(0).IsAborted());
223 static_assert(!StatusWithSize(0).IsOutOfRange());
224 static_assert(!StatusWithSize(0).IsUnimplemented());
225 static_assert(!StatusWithSize(0).IsInternal());
226 static_assert(!StatusWithSize(0).IsUnavailable());
227 static_assert(!StatusWithSize(0).IsDataLoss());
228 }
229 } // namespace
230 } // namespace pw
231