pw_log_null/test.cc

// Copyright 2020 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 "gtest/gtest.h"
#include "pw_log_null/log_null.h"

#define PW_LOG_MODULE_NAME "this test!"

extern "C" bool CTest();

namespace {

TEST(LogNull, NoArguments) {
  PW_HANDLE_LOG(1, PW_LOG_MODULE_NAME, 2, "3");
  PW_HANDLE_LOG(1, PW_LOG_MODULE_NAME, 2, "whoa");
}

TEST(LogNull, WithArguments) {
  PW_HANDLE_LOG(1, PW_LOG_MODULE_NAME, 2, "%s", "hello");
  PW_HANDLE_LOG(1,
                PW_LOG_MODULE_NAME,
                2,
                "%d + %s == %p",
                1,
                "two",
                static_cast<void*>(nullptr));
}

TEST(LogNull, ExpressionsAreEvaluated) {
  static int global;

  global = 0;
  bool local = true;

  PW_HANDLE_LOG(1,
                PW_LOG_MODULE_NAME,
                2,
                "You are number%s %d!",
                (local = false) ? "" : " not",
                []() {
                  global = 1;
                  return global;
                }());

  EXPECT_EQ(1, global);
  EXPECT_FALSE(local);
}

}  // namespace