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fix try_next and try_object when returning false, update unit tests

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ado
2021-01-03 17:27:21 +01:00
parent 7e1ea709ca
commit 91853a3287
3 changed files with 60 additions and 23 deletions
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38
test/test_parser.cpp
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@@ -181,7 +181,7 @@ TEST_CASE("testing composite conversion") {
std::ofstream out{f.name};
for (auto& i :
{"10,a,11.1", "10,20,11.1", "junk", "10,11.1", "1,11.1,a", "junk",
"10,junk", "11,junk", "10,11.1,c"}) {
"10,junk", "11,junk", "10,11.1,c", "10,20", "10,22.2,f"}) {
out << i << std::endl;
}
}
@@ -348,6 +348,42 @@ TEST_CASE("testing composite conversion") {
CHECK(d1->tied() == std::tuple{10, 11.1, 'c'});
}
{
REQUIRE(!p.eof());
auto [d1, d2, d3, d4] =
p.try_next<int, int>([] { return false; })
.or_else<int, double>([](auto&) { return false; })
.or_else<int, int>()
.or_else<int, int>(fail)
.values();
REQUIRE(p.valid());
REQUIRE(!d1);
REQUIRE(!d2);
REQUIRE(d3);
REQUIRE(!d4);
CHECK(d3.value() == std::tuple{10, 20});
}
{
REQUIRE(!p.eof());
auto [d1, d2, d3, d4] =
p.try_object<test_struct, int, double, char>([] { return false; })
.or_else<int, double>([](auto&) { return false; })
.or_object<test_struct, int, double, char>()
.or_else<int, int>(fail)
.values();
REQUIRE(p.valid());
REQUIRE(!d1);
REQUIRE(!d2);
REQUIRE(d3);
REQUIRE(!d4);
CHECK(d3->tied() == std::tuple{10, 22.2, 'f'});
}
CHECK(p.eof());
}