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LineColumn handling for CharStream.

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This commit is contained in:
chriseth
2021-12-01 15:16:01 +01:00
parent c04fca7c2d
commit 264b7bd857
3 changed files with 120 additions and 1 deletions
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test/liblangutil/CharStream.cpp
+84 -1
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@@ -28,6 +28,33 @@
#include <boost/test/unit_test.hpp>
using namespace std;
using namespace solidity::test;
namespace boost::test_tools::tt_detail
{
template<>
struct print_log_value<std::optional<int>>
{
void operator()(std::ostream& _out, std::optional<int> const& _value) const
{
_out << (_value ? to_string(*_value) : "[nullopt]");
}
};
template<>
struct print_log_value<nullopt_t>
{
void operator()(std::ostream& _out, nullopt_t const&) const
{
_out << "[nullopt]";
}
};
} // namespace boost::test_tools::tt_detail
namespace solidity::langutil::test
{
@@ -48,6 +75,62 @@ BOOST_AUTO_TEST_CASE(test_fail)
);
}
namespace
{
std::optional<int> toPosition(int _line, int _column, string const& _text)
{
return CharStream{_text, "source"}.translateLineColumnToPosition(
LineColumn{_line, _column}
);
}
}
BOOST_AUTO_TEST_CASE(translateLineColumnToPosition)
{
BOOST_CHECK_EQUAL(toPosition(-1, 0, "ABC"), nullopt);
BOOST_CHECK_EQUAL(toPosition(0, -1, "ABC"), nullopt);
BOOST_CHECK_EQUAL(toPosition(0, 0, ""), 0);
BOOST_CHECK_EQUAL(toPosition(1, 0, ""), nullopt);
BOOST_CHECK_EQUAL(toPosition(0, 1, ""), nullopt);
// With last line containing no LF
BOOST_CHECK_EQUAL(toPosition(0, 0, "ABC"), 0);
BOOST_CHECK_EQUAL(toPosition(0, 1, "ABC"), 1);
BOOST_CHECK_EQUAL(toPosition(0, 2, "ABC"), 2);
BOOST_CHECK_EQUAL(toPosition(0, 3, "ABC"), 3);
BOOST_CHECK_EQUAL(toPosition(0, 4, "ABC"), nullopt);
BOOST_CHECK_EQUAL(toPosition(1, 0, "ABC"), nullopt);
BOOST_CHECK_EQUAL(toPosition(0, 3, "ABC\nDEF"), 3);
BOOST_CHECK_EQUAL(toPosition(0, 4, "ABC\nDEF"), nullopt);
BOOST_CHECK_EQUAL(toPosition(1, 0, "ABC\nDEF"), 4);
BOOST_CHECK_EQUAL(toPosition(1, 1, "ABC\nDEF"), 5);
BOOST_CHECK_EQUAL(toPosition(1, 2, "ABC\nDEF"), 6);
BOOST_CHECK_EQUAL(toPosition(1, 3, "ABC\nDEF"), 7);
BOOST_CHECK_EQUAL(toPosition(1, 4, "ABC\nDEF"), nullopt);
BOOST_CHECK_EQUAL(toPosition(2, 0, "ABC\nDEF"), nullopt);
BOOST_CHECK_EQUAL(toPosition(2, 1, "ABC\nDEF"), nullopt);
// With last line containing LF
BOOST_CHECK_EQUAL(toPosition(0, 0, "ABC\nDEF\n"), 0);
BOOST_CHECK_EQUAL(toPosition(0, 1, "ABC\nDEF\n"), 1);
BOOST_CHECK_EQUAL(toPosition(0, 2, "ABC\nDEF\n"), 2);
BOOST_CHECK_EQUAL(toPosition(1, 0, "ABC\nDEF\n"), 4);
BOOST_CHECK_EQUAL(toPosition(1, 1, "ABC\nDEF\n"), 5);
BOOST_CHECK_EQUAL(toPosition(1, 2, "ABC\nDEF\n"), 6);
BOOST_CHECK_EQUAL(toPosition(1, 3, "ABC\nDEF\n"), 7);
BOOST_CHECK_EQUAL(toPosition(1, 4, "ABC\nDEF\n"), nullopt);
BOOST_CHECK_EQUAL(toPosition(2, 0, "ABC\nDEF\n"), 8);
BOOST_CHECK_EQUAL(toPosition(2, 1, "ABC\nDEF\n"), nullopt);
BOOST_CHECK_EQUAL(toPosition(2, 0, "ABC\nDEF\nGHI\n"), 8);
BOOST_CHECK_EQUAL(toPosition(2, 1, "ABC\nDEF\nGHI\n"), 9);
BOOST_CHECK_EQUAL(toPosition(2, 2, "ABC\nDEF\nGHI\n"), 10);
}
BOOST_AUTO_TEST_SUITE_END()
} // end namespaces
}