1 // Copyright 2015, Tobias Hermann and the FunctionalPlus contributors.
2 // https://github.com/Dobiasd/FunctionalPlus
3 // Distributed under the Boost Software License, Version 1.0.
4 // (See accompanying file LICENSE_1_0.txt or copy at
5 //  http://www.boost.org/LICENSE_1_0.txt)
6 
7 #include <doctest/doctest.h>
8 #include <fplus/fplus.hpp>
9 #include <vector>
10 
11 TEST_CASE("read_test - read_value")
12 {
13     using namespace fplus;
14     REQUIRE_EQ(read_value<std::size_t>("42"), just<std::size_t>(42));
15     REQUIRE_EQ(read_value<std::string>("foo"), just<std::string>("foo"));
16     REQUIRE_EQ(read_value<unsigned long>("42"), just<unsigned long>(42));
17     REQUIRE_EQ(read_value<unsigned long long>("42"), just<unsigned long long>(42));
18     REQUIRE_EQ(read_value<int>("42"), just<int>(42));
19     REQUIRE_EQ(read_value<long>("42"), just<long>(42));
20     REQUIRE_EQ(read_value<long long>("42"), just<long long>(42));
21     REQUIRE_EQ(read_value<int>("-3"), just<int>(-3));
22     REQUIRE_EQ(read_value<int>("twenty"), nothing<int>());
23     REQUIRE_EQ(read_value<int>("3 thousand"), nothing<int>());
24     REQUIRE_EQ(read_value_with_default<int>(3, "42"), 42);
25     REQUIRE_EQ(read_value_with_default<int>(3, "foo"), 3);
26     REQUIRE_EQ(read_value_with_default<int>(3, ""), 3);
27     REQUIRE_EQ(read_value_unsafe<int>("42"), 42);
28 
29     REQUIRE(is_in_interval(-42.4f, -42.2f, unsafe_get_just(read_value<float>("-42.3"))));
30     REQUIRE(is_in_interval(-42.4 , -42.2, unsafe_get_just(read_value<double>("-42.3"))));
31     REQUIRE(is_in_interval(-42.4L, -42.2L, unsafe_get_just(read_value<long double>("-42.3"))));
32 }
33 
34 TEST_CASE("read_test - read_value_result")
35 {
36     using namespace fplus;
37     REQUIRE_EQ(read_value_result<int>("42"), (ok<int, std::string>(42)));
38     REQUIRE_EQ(read_value_result<int>("-3"), (ok<int, std::string>(-3)));
39     REQUIRE(is_error(read_value_result<int>("twenty")));
40     REQUIRE(is_error(read_value_result<int>("3 thousand")));
41 }
42