1 // Copyright 2024 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_digital_io/digital_io_mock.h"
16
17 #include "pw_status/status.h"
18 #include "pw_unit_test/framework.h"
19
20 namespace {
21
22 using ::pw::OkStatus;
23 using ::pw::digital_io::DigitalInOutMock;
24 using ::pw::digital_io::State;
25
26 template <typename T>
pop_front(pw::InlineDeque<T> & deque)27 T pop_front(pw::InlineDeque<T>& deque) {
28 T v = std::move(deque.front());
29 deque.pop_front();
30 return v;
31 }
32
TEST(DigitalInOutMock,RecordsEvents)33 TEST(DigitalInOutMock, RecordsEvents) {
34 static constexpr const auto kMaxQueuedEvents = 4;
35 DigitalInOutMock<kMaxQueuedEvents> mock;
36 ASSERT_EQ(mock.events().size(), 1);
37 EXPECT_EQ(pop_front(mock.events()).state, State::kInactive);
38 EXPECT_EQ(mock.events().size(), 0);
39
40 EXPECT_EQ(mock.SetStateInactive(), OkStatus());
41 EXPECT_EQ(mock.events().size(), 1);
42 EXPECT_EQ(pop_front(mock.events()).state, State::kInactive);
43 EXPECT_EQ(mock.events().size(), 0);
44
45 EXPECT_EQ(mock.SetStateActive(), OkStatus());
46 ASSERT_EQ(mock.events().size(), 1);
47 EXPECT_EQ(pop_front(mock.events()).state, State::kActive);
48 EXPECT_EQ(mock.events().size(), 0);
49 }
50
51 } // namespace