third_party.pigweed.src/pw_preprocessor/compiler_test.cc
Wyatt Hepler 38b6d44589 pw_preprocessor: Macros for disabling warnings
Change-Id: I00e9b00d93b46fa7a30e2cb7e6b83e5a81310585
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/40460
Commit-Queue: Wyatt Hepler <hepler@google.com>
Reviewed-by: Ewout van Bekkum <ewout@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
2021-04-12 17:37:07 +00:00

51 lines
1.2 KiB
C++

// Copyright 2021 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_preprocessor/compiler.h"
#include <cstdint>
#include "gtest/gtest.h"
namespace pw::preprocessor {
namespace {
PW_MODIFY_DIAGNOSTICS_PUSH();
PW_MODIFY_DIAGNOSTIC(ignored, "-Wunused-variable");
int this_variable_is_unused;
PW_MODIFY_DIAGNOSTICS_POP();
class Foo {
PW_MODIFY_DIAGNOSTICS_PUSH();
PW_MODIFY_DIAGNOSTIC(ignored, "-Wunused");
int this_field_is_unused;
PW_MODIFY_DIAGNOSTICS_POP();
};
TEST(CompilerMacros, ModifyDiagnostics) {
PW_MODIFY_DIAGNOSTICS_PUSH();
PW_MODIFY_DIAGNOSTIC(ignored, "-Wunused-variable");
int this_variable_also_is_unused;
PW_MODIFY_DIAGNOSTICS_POP();
}
} // namespace
} // namespace pw::preprocessor