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// Copyright 2014 The Kyua Authors.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file engine/scanner.hpp
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/// Utilities to scan through list of tests in a test suite.
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#if !defined(ENGINE_SCANNER_HPP)
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#define ENGINE_SCANNER_HPP
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#include "engine/scanner_fwd.hpp"
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#include <memory>
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#include <set>
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#include "engine/filters_fwd.hpp"
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#include "model/test_program_fwd.hpp"
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#include "utils/optional_fwd.hpp"
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#include "utils/shared_ptr.hpp"
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namespace engine {
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/// Scans a list of test programs, yielding one test case at a time.
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///
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/// This class contains the state necessary to process a collection of test
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/// programs (possibly as provided by the Kyuafile) and to extract an arbitrary
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/// (test program, test_case) pair out of them one at a time.
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///
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/// The scanning algorithm guarantees that test programs are initialized
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/// dynamically, should they need to load their list of test cases from disk.
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///
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/// The order of the extraction is not guaranteed.
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class scanner {
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struct impl;
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/// Pointer to the internal implementation data.
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std::shared_ptr< impl > _pimpl;
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public:
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scanner(const model::test_programs_vector&, const std::set< test_filter >&);
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~scanner(void);
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bool done(void);
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utils::optional< scan_result > yield(void);
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std::set< test_filter > unused_filters(void) const;
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};
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} // namespace engine
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#endif // !defined(ENGINE_SCANNER_HPP)
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