thin-provisioning-tools/unit-tests/run_set_t.cc
2013-07-09 10:36:30 +01:00

267 lines
5.2 KiB
C++

#include "gmock/gmock.h"
#include "persistent-data/run_set.h"
#include <memory>
using namespace base;
using namespace std;
using namespace testing;
//----------------------------------------------------------------
namespace {
MATCHER_P2(EqRun, b, e, "") {
return (arg.begin_ == static_cast<unsigned>(b)) &&
(arg.end_ == static_cast<unsigned>(e));
}
MATCHER(EqAll, "") {
return !arg.begin_ && !arg.end_;
}
MATCHER_P(EqOpenBegin, e, "") {
return !arg.begin_ && (arg.end_ == static_cast<unsigned>(e));
}
MATCHER_P(EqOpenEnd, b, "") {
return (arg.begin_ == static_cast<unsigned>(b)) && !arg.end_;
}
class RunSetTests : public Test {
};
}
//----------------------------------------------------------------
TEST_F(RunSetTests, create)
{
auto_ptr<run_set<unsigned> > rs(new run_set<unsigned>());
}
TEST_F(RunSetTests, add_single_blocks)
{
run_set<unsigned> rs;
rs.add(3u);
rs.add(8u);
rs.add(9u);
}
TEST_F(RunSetTests, add_adjacent_single)
{
run_set<unsigned> rs;
rs.add(3);
rs.add(4);
ASSERT_THAT(*rs.begin(), EqRun(3, 5));
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, add_adjacent_single_other_way_round)
{
run_set<unsigned> rs;
rs.add(4);
rs.add(3);
ASSERT_THAT(*rs.begin(), EqRun(3, 5));
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, many_single_blocks)
{
run_set<unsigned> rs;
for (unsigned i = 1; i < 100000; i++)
rs.add(i);
ASSERT_THAT(*rs.begin(), EqRun(1, 100000));
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, add_runs)
{
run_set<unsigned> rs;
rs.add(run<unsigned>(3, 8));
rs.add(run<unsigned>(23, 55));
rs.add(run<unsigned>(78, 190));
}
TEST_F(RunSetTests, member_empty_set)
{
run_set<unsigned> rs;
ASSERT_THAT(rs.begin(), Eq(rs.end()));
ASSERT_FALSE(rs.member(5));
}
TEST_F(RunSetTests, member_many_runs)
{
run_set<unsigned> rs;
rs.add(3);
rs.add(7, 15);
rs.add(23, 28);
rs.add(25, 50);
rs.add(101, 105);
rs.add(105, 110);
rs.add(201, 205);
rs.add(206, 210);
ASSERT_TRUE(rs.member(3));
ASSERT_FALSE(rs.member(6));
for (unsigned i = 7; i < 15; i++)
ASSERT_TRUE(rs.member(i));
ASSERT_FALSE(rs.member(15));
ASSERT_FALSE(rs.member(22));
for (unsigned i = 23; i < 50; i++)
ASSERT_TRUE(rs.member(i));
ASSERT_FALSE(rs.member(50));
ASSERT_FALSE(rs.member(100));
for (unsigned i = 101; i < 110; i++)
ASSERT_TRUE(rs.member(i));
ASSERT_FALSE(rs.member(110));
ASSERT_FALSE(rs.member(200));
for (unsigned i = 201; i < 205; i++)
ASSERT_TRUE(rs.member(i));
ASSERT_FALSE(rs.member(205));
for (unsigned i = 206; i < 210; i++)
ASSERT_TRUE(rs.member(i));
ASSERT_FALSE(rs.member(210));
}
TEST_F(RunSetTests, iterate_empty)
{
run_set<unsigned> rs;
ASSERT_THAT(rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, iterate_single)
{
run_set<unsigned> rs;
rs.add(5, 10);
ASSERT_THAT(*rs.begin(), EqRun(5, 10));
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, iterate_overlapping_runs)
{
run_set<unsigned> rs;
rs.add(5, 10);
rs.add(8, 15);
ASSERT_THAT(*rs.begin(), EqRun(5, 15));
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, iterate_overlapping_runs_other_way)
{
run_set<unsigned> rs;
rs.add(8, 15);
rs.add(5, 10);
ASSERT_THAT(*rs.begin(), EqRun(5, 15));
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, iterate_covered_runs)
{
run_set<unsigned> rs;
rs.add(8, 15);
rs.add(5, 20);
ASSERT_THAT(*rs.begin(), EqRun(5, 20));
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, iterate_covered_runs2)
{
run_set<unsigned> rs;
rs.add(8, 10);
rs.add(12, 20);
rs.add(5, 30);
ASSERT_THAT(*rs.begin(), EqRun(5, 30));
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, iterate_non_overlapping_runs)
{
run_set<unsigned> rs;
rs.add(5, 10);
rs.add(15, 20);
ASSERT_THAT(*rs.begin(), EqRun(5, 10));
ASSERT_THAT(*(++rs.begin()), EqRun(15, 20));
ASSERT_THAT(++(++(rs.begin())), Eq(rs.end()));
}
TEST_F(RunSetTests, merge_empty_sets)
{
run_set<unsigned> rs1;
run_set<unsigned> rs2;
rs1.merge(rs2);
ASSERT_THAT(rs1.begin(), Eq(rs1.end()));
}
TEST_F(RunSetTests, merge_discrete_sets)
{
run_set<unsigned> rs1;
run_set<unsigned> rs2;
rs1.add(5, 10);
rs2.add(15, 20);
rs1.merge(rs2);
ASSERT_THAT(*rs1.begin(), EqRun(5, 10));
ASSERT_THAT(*(++rs1.begin()), EqRun(15, 20));
ASSERT_THAT(++(++(rs1.begin())), Eq(rs1.end()));
}
TEST_F(RunSetTests, negate_empty)
{
run_set<unsigned> rs;
rs.negate();
ASSERT_THAT(*rs.begin(), EqAll());
ASSERT_THAT(++rs.begin(), Eq(rs.end()));
}
TEST_F(RunSetTests, negate_single)
{
run_set<unsigned> rs;
rs.add(5, 10);
rs.negate();
ASSERT_THAT(*rs.begin(), EqOpenBegin(5));
ASSERT_THAT(*(++rs.begin()), EqOpenEnd(10));
ASSERT_THAT(++(++rs.begin()), Eq(rs.end()));
}
TEST_F(RunSetTests, negate_double)
{
run_set<unsigned> rs;
rs.add(5, 10);
rs.add(15, 20);
rs.negate();
ASSERT_THAT(*rs.begin(), EqOpenBegin(5));
ASSERT_THAT(*(++rs.begin()), EqRun(10, 15));
ASSERT_THAT(*(++(++rs.begin())), EqOpenEnd(20));
ASSERT_THAT(++(++(++rs.begin())), Eq(rs.end()));
}
TEST_F(RunSetTests, negate_negate)
{
run_set<unsigned> rs;
rs.add(5, 10);
rs.add(15, 20);
rs.negate();
rs.negate();
ASSERT_THAT(*rs.begin(), EqRun(5, 10));
ASSERT_THAT(*(++rs.begin()), EqRun(15, 20));
ASSERT_THAT(++(++rs.begin()), Eq(rs.end()));
}
//----------------------------------------------------------------