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#include "deque.h"
#include <library/cpp/testing/unittest/registar.h>
#include <utility>
#include "yexception.h"
class TDequeTest: public TTestBase {
UNIT_TEST_SUITE(TDequeTest);
UNIT_TEST(TestConstructorsAndAssignments);
UNIT_TEST(TestDeque1);
UNIT_TEST(TestAt);
UNIT_TEST(TestInsert);
UNIT_TEST(TestErase);
UNIT_TEST(TestAutoRef);
UNIT_TEST_SUITE_END();
protected:
void TestConstructorsAndAssignments();
void TestDeque1();
void TestInsert();
void TestErase();
void TestAt();
void TestAutoRef();
};
UNIT_TEST_SUITE_REGISTRATION(TDequeTest);
void TDequeTest::TestConstructorsAndAssignments() {
using container = TDeque<int>;
container c1;
c1.push_back(100);
c1.push_back(200);
container c2(c1);
UNIT_ASSERT_VALUES_EQUAL(2, c1.size());
UNIT_ASSERT_VALUES_EQUAL(2, c2.size());
UNIT_ASSERT_VALUES_EQUAL(100, c1.at(0));
UNIT_ASSERT_VALUES_EQUAL(200, c2.at(1));
container c3(std::move(c1));
UNIT_ASSERT_VALUES_EQUAL(0, c1.size());
UNIT_ASSERT_VALUES_EQUAL(2, c3.size());
UNIT_ASSERT_VALUES_EQUAL(100, c3.at(0));
c2.push_back(300);
c3 = c2;
UNIT_ASSERT_VALUES_EQUAL(3, c2.size());
UNIT_ASSERT_VALUES_EQUAL(3, c3.size());
UNIT_ASSERT_VALUES_EQUAL(300, c3.at(2));
c2.push_back(400);
c3 = std::move(c2);
UNIT_ASSERT_VALUES_EQUAL(0, c2.size());
UNIT_ASSERT_VALUES_EQUAL(4, c3.size());
UNIT_ASSERT_VALUES_EQUAL(400, c3.at(3));
int array[] = {2, 3, 4};
container c4 = {2, 3, 4};
UNIT_ASSERT_VALUES_EQUAL(c4, container(std::begin(array), std::end(array)));
}
void TDequeTest::TestDeque1() {
TDeque<int> d;
UNIT_ASSERT(!d);
d.push_back(4);
d.push_back(9);
d.push_back(16);
d.push_front(1);
UNIT_ASSERT(d);
UNIT_ASSERT(d[0] == 1);
UNIT_ASSERT(d[1] == 4);
UNIT_ASSERT(d[2] == 9);
UNIT_ASSERT(d[3] == 16);
d.pop_front();
d[2] = 25;
UNIT_ASSERT(d[0] == 4);
UNIT_ASSERT(d[1] == 9);
UNIT_ASSERT(d[2] == 25);
//Some compile time tests:
TDeque<int>::iterator dit = d.begin();
TDeque<int>::const_iterator cdit(d.begin());
UNIT_ASSERT((dit - cdit) == 0);
UNIT_ASSERT((cdit - dit) == 0);
UNIT_ASSERT((dit - dit) == 0);
UNIT_ASSERT((cdit - cdit) == 0);
UNIT_ASSERT(!((dit < cdit) || (dit > cdit) || (dit != cdit) || !(dit <= cdit) || !(dit >= cdit)));
}
void TDequeTest::TestInsert() {
TDeque<int> d;
d.push_back(0);
d.push_back(1);
d.push_back(2);
UNIT_ASSERT(d.size() == 3);
TDeque<int>::iterator dit;
//Insertion before begin:
dit = d.insert(d.begin(), 3);
UNIT_ASSERT(dit != d.end());
UNIT_ASSERT(*dit == 3);
UNIT_ASSERT(d.size() == 4);
UNIT_ASSERT(d[0] == 3);
//Insertion after begin:
dit = d.insert(d.begin() + 1, 4);
UNIT_ASSERT(dit != d.end());
UNIT_ASSERT(*dit == 4);
UNIT_ASSERT(d.size() == 5);
UNIT_ASSERT(d[1] == 4);
//Insertion at end:
dit = d.insert(d.end(), 5);
UNIT_ASSERT(dit != d.end());
UNIT_ASSERT(*dit == 5);
UNIT_ASSERT(d.size() == 6);
UNIT_ASSERT(d[5] == 5);
//Insertion before last element:
dit = d.insert(d.end() - 1, 6);
UNIT_ASSERT(dit != d.end());
UNIT_ASSERT(*dit == 6);
UNIT_ASSERT(d.size() == 7);
UNIT_ASSERT(d[5] == 6);
//Insertion of several elements before begin
d.insert(d.begin(), 2, 7);
UNIT_ASSERT(d.size() == 9);
UNIT_ASSERT(d[0] == 7);
UNIT_ASSERT(d[1] == 7);
//Insertion of several elements after begin
//There is more elements to insert than elements before insertion position
d.insert(d.begin() + 1, 2, 8);
UNIT_ASSERT(d.size() == 11);
UNIT_ASSERT(d[1] == 8);
UNIT_ASSERT(d[2] == 8);
//There is less elements to insert than elements before insertion position
d.insert(d.begin() + 3, 2, 9);
UNIT_ASSERT(d.size() == 13);
UNIT_ASSERT(d[3] == 9);
UNIT_ASSERT(d[4] == 9);
//Insertion of several elements at end:
d.insert(d.end(), 2, 10);
UNIT_ASSERT(d.size() == 15);
UNIT_ASSERT(d[14] == 10);
UNIT_ASSERT(d[13] == 10);
//Insertion of several elements before last:
//There is more elements to insert than elements after insertion position
d.insert(d.end() - 1, 2, 11);
UNIT_ASSERT(d.size() == 17);
UNIT_ASSERT(d[15] == 11);
UNIT_ASSERT(d[14] == 11);
//There is less elements to insert than elements after insertion position
d.insert(d.end() - 3, 2, 12);
UNIT_ASSERT(d.size() == 19);
UNIT_ASSERT(d[15] == 12);
UNIT_ASSERT(d[14] == 12);
}
void TDequeTest::TestAt() {
TDeque<int> d;
TDeque<int> const& cd = d;
d.push_back(10);
UNIT_ASSERT(d.at(0) == 10);
d.at(0) = 20;
UNIT_ASSERT(cd.at(0) == 20);
for (;;) {
try {
d.at(1) = 20;
UNIT_ASSERT(false);
} catch (...) {
return;
}
}
}
void TDequeTest::TestAutoRef() {
int i;
TDeque<int> ref;
for (i = 0; i < 5; ++i) {
ref.push_back(i);
}
TDeque<TDeque<int>> d_d_int(1, ref);
d_d_int.push_back(d_d_int[0]);
d_d_int.push_back(ref);
d_d_int.push_back(d_d_int[0]);
d_d_int.push_back(d_d_int[0]);
d_d_int.push_back(ref);
for (i = 0; i < 5; ++i) {
UNIT_ASSERT(d_d_int[i] == ref);
}
}
void TDequeTest::TestErase() {
TDeque<int> dint;
dint.push_back(3);
dint.push_front(2);
dint.push_back(4);
dint.push_front(1);
dint.push_back(5);
dint.push_front(0);
dint.push_back(6);
TDeque<int>::iterator it(dint.begin() + 1);
UNIT_ASSERT(*it == 1);
dint.erase(dint.begin());
UNIT_ASSERT(*it == 1);
it = dint.end() - 2;
UNIT_ASSERT(*it == 5);
dint.erase(dint.end() - 1);
UNIT_ASSERT(*it == 5);
dint.push_back(6);
dint.push_front(0);
it = dint.begin() + 2;
UNIT_ASSERT(*it == 2);
dint.erase(dint.begin(), dint.begin() + 2);
UNIT_ASSERT(*it == 2);
it = dint.end() - 3;
UNIT_ASSERT(*it == 4);
dint.erase(dint.end() - 2, dint.end());
UNIT_ASSERT(*it == 4);
}
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