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// Copyright 2023 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include "pw_allocator/null_allocator.h"
#include "gtest/gtest.h"
namespace pw::allocator {
TEST(NullAllocatorTest, Allocate) {
NullAllocator allocator;
// Allocate should fail, regardless of size and alignment.
for (size_t size = 1; size < 0x100; size <<= 1) {
for (size_t alignment = 1; alignment < 0x100; alignment <<= 1) {
EXPECT_EQ(allocator.Allocate(Layout(size, alignment)), nullptr);
}
}
}
TEST(NullAllocatorTest, Resize) {
NullAllocator allocator;
// It is not possible to get a valid pointer from Allocate.
constexpr Layout layout = Layout::Of<uint8_t>();
EXPECT_FALSE(allocator.Resize(this, layout, 1));
}
} // namespace pw::allocator
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