tesseract/unittest/list_test.cc

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// (C) Copyright 2020, Google Inc.
// 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
// http://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 "include_gunit.h"
#if 0 // TODO: add tests for CLIST
#include "clst.h"
#endif
#include "elst.h"
#if 0 // TODO: add tests for ELIST2
#include "elst2.h"
#endif
namespace tesseract {
class ListTest : public ::testing::Test {
protected:
void SetUp() override {
static std::locale system_locale("");
std::locale::global(system_locale);
}
};
class Elst : public ELIST_LINK {
public:
Elst(unsigned n) : value(n) {
}
unsigned value;
};
ELISTIZEH(Elst)
ELISTIZE(Elst)
TEST_F(ListTest, TestELIST) {
Elst_LIST list;
auto it = ELIST_ITERATOR(&list);
for (unsigned i = 0; i < 10; i++) {
auto* elst = new Elst(i);
//EXPECT_TRUE(elst->empty());
//EXPECT_EQ(elst->length(), 0);
it.add_to_end(elst);
}
it.move_to_first();
unsigned n = 0;
for (it.mark_cycle_pt(); !it.cycled_list(); it.forward()) {
auto* elst = reinterpret_cast<Elst*>(it.data());
EXPECT_EQ(elst->value, n);
n++;
}
it.forward();
n++;
for (it.mark_cycle_pt(); !it.cycled_list(); it.forward()) {
auto* elst = reinterpret_cast<Elst*>(it.extract());
EXPECT_EQ(elst->value, n % 10);
n++;
delete elst;
}
// TODO: add more tests for ELIST
}
} // namespace tesseract.