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test and doc update for .map()

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This commit is contained in:
Andrzej Krzemienski
2018-06-23 20:53:16 +02:00
parent e47a017009
commit 51d1bc843d
7 changed files with 67 additions and 11 deletions
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30
test/optional_test_map.cpp
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@ -106,6 +106,34 @@ void test_map()
optional<Int> oI = oi.map(convert_t());
BOOST_TEST(bool(oI));
BOOST_TEST_EQ(1, oI->i);
optional<Int> o_ = optional<int>().map(convert_t());
BOOST_TEST(!o_);
}
optional<Int> make_opt_int(int i)
{
if (i != 0)
return Int(i);
else
return boost::none;
}
void test_map_optional()
{
optional<int> o9 (9), o0 (0), o_;
verify_type<optional<optional<Int>>>(o9.map(make_opt_int));
optional<optional<Int>> oo9 = o9.map(make_opt_int);
BOOST_TEST(bool(oo9));
BOOST_TEST(bool(*oo9));
BOOST_TEST_EQ(9, (**oo9).i);
optional<optional<Int>> oo0 = o0.map(make_opt_int);
BOOST_TEST(bool(oo0));
BOOST_TEST(!*oo0);
optional<optional<Int>> oo_ = o_.map(make_opt_int);
BOOST_TEST(!oo_);
}
void test_map_with_lambda()
@ -153,7 +181,9 @@ int main()
#endif
test_map_with_lambda();
test_map();
test_map_optional();
test_map_to_ref();
test_map_optional();
test_map_optional_ref();
return boost::report_errors();