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/*
* Copyright (c) 2015-2017, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Unit tests for checking the calc comp code in nfagraph/ng_calc_components.cpp
*/
#include "config.h"
#include "gtest/gtest.h"
#include "nfagraph_common.h"
#include "nfagraph/ng.h"
#include "nfagraph/ng_calc_components.h"
using namespace std;
using namespace ue2;
TEST(NFAGraph, CalcComp1) {
auto graph = constructGraph("abc|def|ghi", 0);
ASSERT_TRUE(graph != nullptr);
Grey grey;
grey.calcComponents = true;
auto comps = calcComponents(std::move(graph), grey);
ASSERT_EQ(3, comps.size());
}
TEST(NFAGraph, CalcComp2) {
auto graph = constructGraph("a|b|c|d|e|f|g|h|i", 0);
ASSERT_TRUE(graph != nullptr);
Grey grey;
grey.calcComponents = true;
auto comps = calcComponents(std::move(graph), grey);
// We should be identifying this as a trivial case and not splitting it.
ASSERT_EQ(1, comps.size());
}
TEST(NFAGraph, RecalcComp1) {
deque<unique_ptr<NGHolder>> comps;
comps.push_back(constructGraph("abc|def|ghi", 0));
ASSERT_TRUE(comps.back() != nullptr);
Grey grey;
grey.calcComponents = true;
recalcComponents(comps, grey);
ASSERT_EQ(3, comps.size());
}
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