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_allocator/buffer.h"
16
17 #include <array>
18 #include <cstdint>
19
20 #include "pw_bytes/span.h"
21 #include "pw_unit_test/framework.h"
22
23 namespace {
24
25 using pw::allocator::WithBuffer;
26
TEST(WithBuffer,AlignedBytesAreAvailable)27 TEST(WithBuffer, AlignedBytesAreAvailable) {
28 static constexpr size_t kBufferSize = 47;
29 static constexpr size_t kAlignment = 32;
30 WithBuffer<int, kBufferSize, kAlignment> int_with_buffer;
31 EXPECT_EQ(int_with_buffer.size(), kBufferSize);
32 EXPECT_EQ(int_with_buffer.as_bytes().size(), kBufferSize);
33 size_t buffer_data_ptr =
34 reinterpret_cast<size_t>(int_with_buffer.as_bytes().data());
35 EXPECT_EQ(buffer_data_ptr % kAlignment, 0u);
36 }
37
38 } // namespace
39