implement the try_object method, update unit tests, update documentation

This commit is contained in:
ado
2021-01-01 23:52:14 +01:00
parent 0487f33eb1
commit f39e1669f4
3 changed files with 58 additions and 5 deletions

View File

@@ -179,8 +179,9 @@ TEST_CASE("testing composite conversion") {
unique_file_name f;
{
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"}) {
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"}) {
out << i << std::endl;
}
}
@@ -241,9 +242,9 @@ TEST_CASE("testing composite conversion") {
REQUIRE(!p.eof());
auto [d1, d2, d3, d4, d5] =
p.try_next<int, int, double>(fail)
p.try_object<test_struct, int, double, char>(fail)
.on_error(expect_error)
.or_else_object<test_struct, int, double, char>(fail)
.or_else<int, char, char>(fail)
.or_else<test_struct>(fail)
.or_else<test_tuple>(fail)
.or_else<int, char, double>(fail)
@@ -334,6 +335,20 @@ TEST_CASE("testing composite conversion") {
REQUIRE(!d2);
CHECK(*d1 == std::tuple{11, std::variant<int, std::string>{"junk"}});
}
{
REQUIRE(!p.eof());
auto [d1, d2] = p.try_object<test_struct, int, double, char>()
.or_else<int>(fail)
.values();
REQUIRE(p.valid());
REQUIRE(d1);
REQUIRE(!d2);
CHECK(d1->tied() == std::tuple{10, 11.1, 'c'});
}
CHECK(p.eof());
}
size_t move_called = 0;