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53 lines
1.8 KiB
53 lines
1.8 KiB
// 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_thread/id.h"
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#include "pw_thread/yield.h"
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namespace pw::this_thread {
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namespace {
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extern "C" {
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// Function defined in yield_facade_test_c.c which call the API from C.
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void pw_this_thread_CallYield();
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} // extern "C"
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TEST(Yield, CompilesAndRuns) {
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// Ensure we are in a thread context, meaning we are permitted to sleep.
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ASSERT_NE(get_id(), thread::Id());
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// Unfortunately we have not thought of a useful way to test yield without
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// knowing the backend implementation as things like round robin scheduling
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// may be enabled meaning it may appear like yield is working when it isn't.
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// For now we just ensure it compiles and we can execute it without a crash.
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yield();
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}
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TEST(Yield, CompilesAndRunsInC) {
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// Ensure we are in a thread context, meaning we are permitted to sleep.
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ASSERT_NE(get_id(), thread::Id());
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// Unfortunately we have not thought of a useful way to test yield without
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// knowing the backend implementation as things like round robin scheduling
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// may be enabled meaning it may appear like yield is working when it isn't.
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// For now we just ensure it compiles and we can execute it without a crash.
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pw_this_thread_CallYield();
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}
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} // namespace
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} // namespace pw::this_thread
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