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24a6e27ca8
pw_log_null implements pw_log backend using an empty inline function. This ensures that arguments are checked and evaluated consistently with a functional pw_log backend. Change-Id: I65761933c50bba228e2154d2bc4f9636bb069b90 Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/17280 Commit-Queue: Wyatt Hepler <hepler@google.com> Reviewed-by: Keir Mierle <keir@google.com>
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
// Copyright 2020 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include "gtest/gtest.h"
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#include "pw_log_null/log_null.h"
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#define PW_LOG_MODULE_NAME "this test!"
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extern "C" bool CTest();
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namespace {
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TEST(LogNull, NoArguments) {
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PW_LOG(1, 2, "3");
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PW_LOG(1, 2, "whoa");
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}
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TEST(LogNull, WithArguments) {
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PW_LOG(1, 2, "%s", "hello");
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PW_LOG(1, 2, "%d + %s == %p", 1, "two", nullptr);
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}
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TEST(LogNull, ExpressionsAreEvaluated) {
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static int global;
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global = 0;
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bool local = true;
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PW_LOG(1, 2, "You are number%s %d!", (local = false) ? "" : " not", []() {
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global = 1;
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return global;
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}());
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EXPECT_EQ(1, global);
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EXPECT_FALSE(local);
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}
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} // namespace
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