xref: /aosp_15_r20/external/pigweed/pw_allocator/null_allocator_test.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
1 // Copyright 2023 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/null_allocator.h"
16 
17 #include "pw_unit_test/framework.h"
18 
19 namespace {
20 
21 using ::pw::allocator::GetNullAllocator;
22 using ::pw::allocator::Layout;
23 
TEST(NullAllocatorTest,Allocate)24 TEST(NullAllocatorTest, Allocate) {
25   pw::Allocator& allocator = GetNullAllocator();
26   // Allocate should fail, regardless of size and alignment.
27   for (size_t size = 1; size < 0x100; size <<= 1) {
28     for (size_t alignment = 1; alignment < 0x100; alignment <<= 1) {
29       EXPECT_EQ(allocator.Allocate(Layout(size, alignment)), nullptr);
30     }
31   }
32 }
33 
34 }  // namespace
35