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run_set.negate()

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This commit is contained in:
Joe Thornber
2013-07-08 23:21:48 +01:00
parent 3be8376256
commit 31686fbb17
2 changed files with 82 additions and 1 deletions
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54
unit-tests/run_set_t.cc
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@@ -16,6 +16,18 @@ namespace {
(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 {
};
}
@@ -176,4 +188,46 @@ TEST_F(RunSetTests, merge_discrete_sets)
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()));
}
//----------------------------------------------------------------