tomlplusplus/tests/parsing_arrays.cpp

// This file is a part of toml++ and is subject to the the terms of the MIT license.
// Copyright (c) 2019-2020 Mark Gillard <mark.gillard@outlook.com.au>
// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
// SPDX-License-Identifier: MIT

#include "tests.h"

TEST_CASE("parsing - arrays")
{
	parsing_should_succeed(
		FILE_LINE_ARGS,
		R"(
			integers = [ 1, 2, 3 ]
			integers2 = [
			  1, 2, 3
			]
			integers3 = [
			  1,
			  2, # this is ok
			]
			colors = [ "red", "yellow", "green" ]
			nested_array_of_int = [ [ 1, 2 ], [3, 4, 5] ]
			nested_mixed_array = [ [ 1, 2 ], ["a", "b", "c"] ]
			string_array = [ "all", 'strings', """are the same""", '''type''' ]
		)"sv,
		[](table&& tbl)
		{
			REQUIRE(tbl[S("integers")].as<array>());
			CHECK(tbl[S("integers")].as<array>()->is_homogeneous());
			CHECK(tbl[S("integers")].as<array>()->size() == 3);
			CHECK(tbl[S("integers")][0] == 1);
			CHECK(tbl[S("integers")][1] == 2);
			CHECK(tbl[S("integers")][2] == 3);

			REQUIRE(tbl[S("integers2")].as<array>());
			CHECK(tbl[S("integers2")].as<array>()->is_homogeneous());
			CHECK(tbl[S("integers2")].as<array>()->size() == 3);
			CHECK(tbl[S("integers2")][0] == 1);
			CHECK(tbl[S("integers2")][1] == 2);
			CHECK(tbl[S("integers2")][2] == 3);

			REQUIRE(tbl[S("integers3")].as<array>());
			CHECK(tbl[S("integers3")].as<array>()->is_homogeneous());
			CHECK(tbl[S("integers3")].as<array>()->size() == 2);
			CHECK(tbl[S("integers3")][0] == 1);
			CHECK(tbl[S("integers3")][1] == 2);

			REQUIRE(tbl[S("colors")].as<array>());
			CHECK(tbl[S("colors")].as<array>()->is_homogeneous());
			CHECK(tbl[S("colors")].as<array>()->size() == 3);
			CHECK(tbl[S("colors")][0] == S("red"sv));
			CHECK(tbl[S("colors")][1] == S("yellow"sv));
			CHECK(tbl[S("colors")][2] == S("green"sv));

			REQUIRE(tbl[S("nested_array_of_int")].as<array>());
			CHECK(tbl[S("nested_array_of_int")].as<array>()->is_homogeneous());
			CHECK(tbl[S("nested_array_of_int")].as<array>()->size() == 2);
			REQUIRE(tbl[S("nested_array_of_int")][0].as<array>());
			CHECK(tbl[S("nested_array_of_int")][0].as<array>()->is_homogeneous());
			CHECK(tbl[S("nested_array_of_int")][0].as<array>()->size() == 2);
			CHECK(tbl[S("nested_array_of_int")][0][0] == 1);
			CHECK(tbl[S("nested_array_of_int")][0][1] == 2);
			REQUIRE(tbl[S("nested_array_of_int")][1].as<array>());
			CHECK(tbl[S("nested_array_of_int")][1].as<array>()->is_homogeneous());
			CHECK(tbl[S("nested_array_of_int")][1].as<array>()->size() == 3);
			CHECK(tbl[S("nested_array_of_int")][1][0] == 3);
			CHECK(tbl[S("nested_array_of_int")][1][1] == 4);
			CHECK(tbl[S("nested_array_of_int")][1][2] == 5);

			REQUIRE(tbl[S("nested_mixed_array")].as<array>());
			CHECK(tbl[S("nested_mixed_array")].as<array>()->is_homogeneous());
			CHECK(tbl[S("nested_mixed_array")].as<array>()->size() == 2);
			REQUIRE(tbl[S("nested_mixed_array")][0].as<array>());
			CHECK(tbl[S("nested_mixed_array")][0].as<array>()->is_homogeneous());
			CHECK(tbl[S("nested_mixed_array")][0].as<array>()->size() == 2);
			CHECK(tbl[S("nested_mixed_array")][0][0] == 1);
			CHECK(tbl[S("nested_mixed_array")][0][1] == 2);
			REQUIRE(tbl[S("nested_mixed_array")][1].as<array>());
			CHECK(tbl[S("nested_mixed_array")][1].as<array>()->is_homogeneous());
			CHECK(tbl[S("nested_mixed_array")][1].as<array>()->size() == 3);
			CHECK(tbl[S("nested_mixed_array")][1][0] == S("a"sv));
			CHECK(tbl[S("nested_mixed_array")][1][1] == S("b"sv));
			CHECK(tbl[S("nested_mixed_array")][1][2] == S("c"sv));

			REQUIRE(tbl[S("string_array")].as<array>());
			CHECK(tbl[S("string_array")].as<array>()->is_homogeneous());
			CHECK(tbl[S("string_array")].as<array>()->size() == 4);
			CHECK(tbl[S("string_array")][0] == S("all"sv));
			CHECK(tbl[S("string_array")][1] == S("strings"sv));
			CHECK(tbl[S("string_array")][2] == S("are the same"sv));
			CHECK(tbl[S("string_array")][3] == S("type"sv));
			REQUIRE(tbl[S("integers")].as<array>());
			CHECK(tbl[S("integers")].as<array>()->is_homogeneous());
			CHECK(tbl[S("integers")].as<array>()->size() == 3);
			CHECK(tbl[S("integers")][0] == 1);
			CHECK(tbl[S("integers")][1] == 2);
			CHECK(tbl[S("integers")][2] == 3);
		}
	);

	// toml/issues/665 (heterogeneous arrays)
	#if TOML_LANG_AT_LEAST(1, 0, 0)

	parsing_should_succeed(
		FILE_LINE_ARGS, 
		R"(
			# Mixed-type arrays are allowed
			numbers = [ 0.1, 0.2, 0.5, 1, 2, 5 ]
			contributors = [
			  "Foo Bar <foo@example.com>",
			  { name = "Baz Qux", email = "bazqux@example.com", url = "https://example.com/bazqux" }
			]
		)"sv,
		[](table&& tbl)
		{
			REQUIRE(tbl[S("numbers")].as<array>());
			CHECK(!tbl[S("numbers")].as<array>()->is_homogeneous());
			CHECK(tbl[S("numbers")].as<array>()->size() == 6);
			CHECK(tbl[S("numbers")][0].as<double>());
			CHECK(tbl[S("numbers")][1].as<double>());
			CHECK(tbl[S("numbers")][2].as<double>());
			CHECK(tbl[S("numbers")][3].as<int64_t>());
			CHECK(tbl[S("numbers")][4].as<int64_t>());
			CHECK(tbl[S("numbers")][5].as<int64_t>());
			CHECK(tbl[S("numbers")][0] == 0.1);
			CHECK(tbl[S("numbers")][1] == 0.2);
			CHECK(tbl[S("numbers")][2] == 0.5);
			CHECK(tbl[S("numbers")][3] == 1);
			CHECK(tbl[S("numbers")][4] == 2);
			CHECK(tbl[S("numbers")][5] == 5);

			REQUIRE(tbl[S("contributors")].as<array>());
			CHECK(!tbl[S("contributors")].as<array>()->is_homogeneous());
			CHECK(tbl[S("contributors")].as<array>()->size() == 2);
			CHECK(tbl[S("contributors")][0].as<string>());
			CHECK(tbl[S("contributors")][1].as<table>());
			CHECK(tbl[S("contributors")][0] == S("Foo Bar <foo@example.com>"sv));
			CHECK(tbl[S("contributors")][1][S("name")] == S("Baz Qux"sv));
			CHECK(tbl[S("contributors")][1][S("email")] == S("bazqux@example.com"sv));
			CHECK(tbl[S("contributors")][1][S("url")] == S("https://example.com/bazqux"sv));
		}
	);

	#else

	parsing_should_fail(FILE_LINE_ARGS, S("numbers = [ 0.1, 0.2, 0.5, 1, 2, 5 ]"sv));

	#endif
}