mirror of
https://github.com/marzer/tomlplusplus.git
synced 2024-09-04 05:59:37 +00:00
also: - renamed header files to .hpp - updated conformance tests - minor documentation fixes
596 lines
19 KiB
C++
596 lines
19 KiB
C++
// This file is a part of toml++ and is subject to the the terms of the MIT license.
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// Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
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// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
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// SPDX-License-Identifier: MIT
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#include "tests.hpp"
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TEST_CASE("parsing - tables")
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{
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// these are the examples from https://toml.io/en/v1.0.0#table
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// "Tables are defined by headers, with square brackets on a line by themselves."
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parsing_should_succeed(FILE_LINE_ARGS,
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"[table]"sv,
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[](table&& tbl)
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{
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REQUIRE(tbl["table"].as_table());
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CHECK(tbl["table"].as_table()->empty());
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CHECK(tbl["table"].as_table()->size() == 0u);
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});
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parsing_should_fail(FILE_LINE_ARGS, "[]"sv);
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// "Under that, and until the next header or EOF, are the key/values of that table.
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// Key/value pairs within tables are not guaranteed to be in any specific order."
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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[table-1]
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key1 = "some string"
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key2 = 123
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[table-2]
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key1 = "another string"
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key2 = 456
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)"sv,
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[](table&& tbl)
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{
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REQUIRE(tbl["table-1"].as_table());
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CHECK(tbl["table-1"].as_table()->size() == 2u);
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CHECK(tbl["table-1"]["key1"] == "some string"sv);
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CHECK(tbl["table-1"]["key2"] == 123);
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REQUIRE(tbl["table-2"].as_table());
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CHECK(tbl["table-2"].as_table()->size() == 2u);
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CHECK(tbl["table-2"]["key1"] == "another string"sv);
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CHECK(tbl["table-2"]["key2"] == 456);
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});
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// "Naming rules for tables are the same as for keys." (i.e. can be quoted)
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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[dog."tater.man"]
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type.name = "pug"
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)"sv,
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[](table&& tbl)
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{
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REQUIRE(tbl["dog"].as_table());
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CHECK(tbl["dog"].as_table()->size() == 1u);
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REQUIRE(tbl["dog"]["tater.man"].as_table());
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CHECK(tbl["dog"]["tater.man"].as_table()->size() == 1u);
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CHECK(tbl["dog"]["tater.man"]["type"]["name"] == "pug"sv);
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});
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// "Whitespace around the key is ignored. However, best practice is to not use any extraneous whitespace."
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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[a.b.c] # this is best practice
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[ d.e.f ] # same as [d.e.f]
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[ g . h . i ] # same as [g.h.i]
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[ j . "k" . 'l' ] # same as [j."k".'l']
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)"sv,
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[](table&& tbl)
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{
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CHECK(tbl["a"].as_table());
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CHECK(tbl["a"]["b"].as_table());
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CHECK(tbl["a"]["b"]["c"].as_table());
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CHECK(tbl["d"].as_table());
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CHECK(tbl["d"]["e"].as_table());
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CHECK(tbl["d"]["e"]["f"].as_table());
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CHECK(tbl["g"].as_table());
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CHECK(tbl["g"]["h"].as_table());
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CHECK(tbl["g"]["h"]["i"].as_table());
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CHECK(tbl["j"].as_table());
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CHECK(tbl["j"]["k"].as_table());
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CHECK(tbl["j"]["k"]["l"].as_table());
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});
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// "You don't need to specify all the super-tables if you don't want to. TOML knows how to do it for you."
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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# [x] you
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# [x.y] don't
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# [x.y.z] need these
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[x.y.z.w] # for this to work
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[x] # defining a super-table afterwards is ok
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)"sv,
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[](table&& tbl)
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{
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CHECK(tbl["x"].as_table());
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CHECK(tbl["x"]["y"].as_table());
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CHECK(tbl["x"]["y"]["z"].as_table());
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CHECK(tbl["x"]["y"]["z"]["w"].as_table());
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});
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// "Like keys, you cannot define a table more than once. Doing so is invalid."
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parsing_should_fail(FILE_LINE_ARGS, R"(
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# DO NOT DO THIS
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[fruit]
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apple = "red"
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[fruit]
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orange = "orange"
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)"sv);
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parsing_should_fail(FILE_LINE_ARGS, R"(
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# DO NOT DO THIS EITHER
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[fruit]
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apple = "red"
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[fruit.apple]
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texture = "smooth"
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)"sv);
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// "Defining tables out-of-order is discouraged."
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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# VALID BUT DISCOURAGED
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[fruit.apple]
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[animal]
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[fruit.orange]
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)"sv,
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[](table&& tbl)
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{
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CHECK(tbl["fruit"].as_table());
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CHECK(tbl["fruit"]["apple"].as_table());
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CHECK(tbl["animal"].as_table());
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CHECK(tbl["fruit"]["orange"].as_table());
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});
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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# RECOMMENDED
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[fruit.apple]
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[fruit.orange]
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[animal]
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)"sv,
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[](table&& tbl)
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{
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CHECK(tbl["fruit"].as_table());
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CHECK(tbl["fruit"]["apple"].as_table());
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CHECK(tbl["fruit"]["orange"].as_table());
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CHECK(tbl["animal"].as_table());
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});
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// "The top-level table, also called the root table, starts at the beginning of the document
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// and ends just before the first table header (or EOF)."
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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# Top-level table begins.
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name = "Fido"
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breed = "pug"
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# Top-level table ends.
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[owner]
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name = "Regina Dogman"
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member_since = 1999-08-04
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)"sv,
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[](table&& tbl)
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{
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CHECK(tbl["name"].as_string());
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CHECK(*tbl["name"].as_string() == "Fido"sv);
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CHECK(tbl["breed"].as_string());
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CHECK(*tbl["breed"].as_string() == "pug"sv);
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CHECK(tbl["owner"].as_table());
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CHECK(*tbl["owner"]["name"].as_string() == "Regina Dogman"sv);
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static constexpr auto member_since = toml::date{ 1999, 8, 4 };
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CHECK(*tbl["owner"]["member_since"].as_date() == member_since);
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});
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// "Dotted keys create and define a table for each key part before the last one,
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// provided that such tables were not previously created."
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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fruit.apple.color = "red"
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# Defines a table named fruit
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# Defines a table named fruit.apple
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fruit.apple.taste.sweet = true
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# Defines a table named fruit.apple.taste
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# fruit and fruit.apple were already created
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)"sv,
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[](table&& tbl)
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{
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CHECK(tbl["fruit"].as_table());
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CHECK(tbl["fruit"]["apple"].as_table());
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CHECK(tbl["fruit"]["apple"]["color"].as_string());
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CHECK(*tbl["fruit"]["apple"]["color"].as_string() == "red"sv);
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CHECK(tbl["fruit"]["apple"]["taste"].as_table());
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CHECK(tbl["fruit"]["apple"]["taste"]["sweet"].as_boolean());
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CHECK(*tbl["fruit"]["apple"]["taste"]["sweet"].as_boolean() == true);
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});
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// "Since tables cannot be defined more than once, redefining such tables using a [table] header is not allowed."
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parsing_should_fail(FILE_LINE_ARGS, R"(
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[fruit]
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apple.color = "red"
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apple.taste.sweet = true
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[fruit.apple] # INVALID
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)"sv);
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parsing_should_fail(FILE_LINE_ARGS, R"(
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[fruit]
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apple.color = "red"
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apple.taste.sweet = true
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[fruit.apple.taste] # INVALID
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)"sv);
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// "Likewise, using dotted keys to redefine tables already defined in [table] form is not allowed."
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parsing_should_fail(FILE_LINE_ARGS, R"(
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[fruit.apple.taste]
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sweet = true
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[fruit]
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apple.taste = { sweet = false } # INVALID
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)"sv);
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parsing_should_fail(FILE_LINE_ARGS, R"(
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[fruit.apple.taste]
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sweet = true
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[fruit]
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apple.taste.foo = "bar" # INVALID
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)"sv);
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// "The [table] form can, however, be used to define sub-tables within tables defined via dotted keys."
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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[fruit]
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apple.color = "red"
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apple.taste.sweet = true
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[fruit.apple.texture] # you can add sub-tables
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smooth = true
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)"sv,
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[](table&& tbl)
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{
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CHECK(tbl["fruit"].as_table());
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CHECK(tbl["fruit"]["apple"].as_table());
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CHECK(tbl["fruit"]["apple"]["color"].as_string());
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CHECK(*tbl["fruit"]["apple"]["color"].as_string() == "red"sv);
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CHECK(tbl["fruit"]["apple"]["texture"].as_table());
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CHECK(tbl["fruit"]["apple"]["texture"]["smooth"].as_boolean());
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CHECK(*tbl["fruit"]["apple"]["texture"]["smooth"].as_boolean() == true);
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});
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parsing_should_fail(FILE_LINE_ARGS, R"(
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[fruit]
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apple.color = "red"
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apple.taste.sweet = true
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[fruit.apple]
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shape = "round"
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[fruit.apple.texture]
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smooth = true
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)"sv);
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// same as above but the table order is reversed.
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// see: https://github.com/toml-lang/toml/issues/769
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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[fruit.apple.texture]
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smooth = true
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[fruit]
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apple.color = "red"
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apple.taste.sweet = true
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)"sv,
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[](table&& tbl)
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{
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CHECK(tbl["fruit"].as_table());
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CHECK(tbl["fruit"]["apple"].as_table());
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CHECK(tbl["fruit"]["apple"]["color"].as_string());
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CHECK(*tbl["fruit"]["apple"]["color"].as_string() == "red"sv);
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CHECK(tbl["fruit"]["apple"]["texture"].as_table());
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CHECK(tbl["fruit"]["apple"]["texture"]["smooth"].as_boolean());
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CHECK(*tbl["fruit"]["apple"]["texture"]["smooth"].as_boolean() == true);
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});
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}
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TEST_CASE("parsing - inline tables")
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{
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// these are the examples from https://toml.io/en/v1.0.0#inline-table
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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name = { first = "Tom", last = "Preston-Werner" }
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point = { x = 1, y = 2 }
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animal = { type.name = "pug" }
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)"sv,
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[](table&& tbl)
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{
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REQUIRE(tbl["name"].as_table());
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CHECK(tbl["name"].as_table()->size() == 2u);
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CHECK(tbl["name"].as_table()->is_inline());
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CHECK(tbl["name"]["first"] == "Tom"sv);
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CHECK(tbl["name"]["last"] == "Preston-Werner"sv);
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REQUIRE(tbl["point"].as_table());
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CHECK(tbl["point"].as_table()->size() == 2u);
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CHECK(tbl["point"].as_table()->is_inline());
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CHECK(tbl["point"]["x"] == 1);
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CHECK(tbl["point"]["y"] == 2);
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REQUIRE(tbl["animal"].as_table());
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CHECK(tbl["animal"].as_table()->size() == 1u);
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CHECK(tbl["animal"].as_table()->is_inline());
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REQUIRE(tbl["animal"]["type"].as_table());
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CHECK(tbl["animal"]["type"].as_table()->size() == 1u);
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CHECK(tbl["animal"]["type"]["name"] == "pug"sv);
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});
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// "Inline tables are fully self-contained and define all keys and sub-tables within them.
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// Keys and sub-tables cannot be added outside the braces."
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parsing_should_fail(FILE_LINE_ARGS, R"(
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[product]
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type = { name = "Nail" }
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type.edible = false # INVALID
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)"sv);
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// "Similarly, inline tables cannot be used to add keys or sub-tables to an already-defined table."
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parsing_should_fail(FILE_LINE_ARGS, R"(
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[product]
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type.name = "Nail"
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type = { edible = false } # INVALID
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)"sv);
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// "newlines are allowed between the curly braces [if] they are valid within a value."
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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test = { val1 = "foo", val2 = [
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1, 2,
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3
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], val3 = "bar" }
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)"sv,
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[](table&& tbl)
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{
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REQUIRE(tbl["test"].as_table());
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CHECK(tbl["test"].as_table()->size() == 3u);
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CHECK(tbl["test"]["val1"] == "foo"sv);
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REQUIRE(tbl["test"]["val2"].as<array>());
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CHECK(tbl["test"]["val2"].as<array>()->size() == 3u);
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CHECK(tbl["test"]["val2"][0] == 1);
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CHECK(tbl["test"]["val2"][1] == 2);
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CHECK(tbl["test"]["val2"][2] == 3);
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CHECK(tbl["test"]["val3"] == "bar"sv);
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});
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// toml/issues/516 (newlines/trailing commas in inline tables)
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#if TOML_LANG_UNRELEASED
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{
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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name = {
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first = "Tom",
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last = "Preston-Werner",
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}
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)"sv,
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[](table&& tbl)
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{
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REQUIRE(tbl["name"].as_table());
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CHECK(tbl["name"].as_table()->size() == 2u);
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CHECK(tbl["name"]["first"] == "Tom"sv);
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CHECK(tbl["name"]["last"] == "Preston-Werner"sv);
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});
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}
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#else
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{
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// "A terminating comma (also called trailing comma) is not permitted after the last key/value pair in an inline
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// table."
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parsing_should_fail(FILE_LINE_ARGS, R"(name = { first = "Tom", last = "Preston-Werner", })"sv);
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// "No newlines are allowed between the curly braces unless they are valid within a value."
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parsing_should_fail(FILE_LINE_ARGS, R"(
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name = {
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first = "Tom",
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last = "Preston-Werner"
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}
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)"sv);
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}
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#endif
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}
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TEST_CASE("parsing - arrays-of-tables")
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{
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parsing_should_succeed(FILE_LINE_ARGS,
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R"(
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points = [ { x = 1, y = 2, z = 3 },
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{ x = 7, y = 8, z = 9 },
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{ x = 2, y = 4, z = 8 } ]
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[[products]]
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name = "Hammer"
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sku = 738594937
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[[products]]
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[[products]]
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name = "Nail"
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sku = 284758393
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color = "gray"
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[[fruit]]
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name = "apple"
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[fruit.physical] # subtable
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color = "red"
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shape = "round"
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[[fruit.variety]] # nested array of tables
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name = "red delicious"
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[[fruit.variety]]
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name = "granny smith"
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[[fruit]]
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name = "banana"
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[[fruit.variety]]
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name = "plantain"
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)"sv,
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[](table&& tbl)
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{
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REQUIRE(tbl["points"].as<array>());
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CHECK(tbl["points"].as<array>()->size() == 3u);
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CHECK(tbl["points"].as<array>()->is_homogeneous());
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CHECK(tbl["points"].as<array>()->is_array_of_tables());
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CHECK(tbl["points"][0]["x"] == 1);
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CHECK(tbl["points"][0]["y"] == 2);
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CHECK(tbl["points"][0]["z"] == 3);
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CHECK(tbl["points"][1]["x"] == 7);
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CHECK(tbl["points"][1]["y"] == 8);
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CHECK(tbl["points"][1]["z"] == 9);
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CHECK(tbl["points"][2]["x"] == 2);
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CHECK(tbl["points"][2]["y"] == 4);
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CHECK(tbl["points"][2]["z"] == 8);
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REQUIRE(tbl["products"].as<array>());
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CHECK(tbl["products"].as<array>()->size() == 3u);
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CHECK(tbl["products"].as<array>()->is_homogeneous());
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CHECK(tbl["products"].as<array>()->is_array_of_tables());
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REQUIRE(tbl["products"][0].as_table());
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CHECK(tbl["products"][0].as_table()->size() == 2u);
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CHECK(tbl["products"][0]["name"] == "Hammer"sv);
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CHECK(tbl["products"][0]["sku"] == 738594937);
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REQUIRE(tbl["products"][1].as_table());
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CHECK(tbl["products"][1].as_table()->size() == 0u);
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REQUIRE(tbl["products"][2].as_table());
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CHECK(tbl["products"][2].as_table()->size() == 3u);
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CHECK(tbl["products"][2]["name"] == "Nail"sv);
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CHECK(tbl["products"][2]["sku"] == 284758393);
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CHECK(tbl["products"][2]["color"] == "gray"sv);
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REQUIRE(tbl["fruit"].as<array>());
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CHECK(tbl["fruit"].as<array>()->size() == 2u);
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CHECK(tbl["fruit"].as<array>()->is_homogeneous());
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CHECK(tbl["fruit"].as<array>()->is_array_of_tables());
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REQUIRE(tbl["fruit"][0].as_table());
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CHECK(tbl["fruit"][0].as_table()->size() == 3u);
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CHECK(tbl["fruit"][0]["name"] == "apple"sv);
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|
REQUIRE(tbl["fruit"][0]["physical"].as_table());
|
|
CHECK(tbl["fruit"][0]["physical"].as_table()->size() == 2u);
|
|
CHECK(tbl["fruit"][0]["physical"]["color"] == "red"sv);
|
|
CHECK(tbl["fruit"][0]["physical"]["shape"] == "round"sv);
|
|
|
|
REQUIRE(tbl["fruit"][0]["variety"].as<array>());
|
|
CHECK(tbl["fruit"][0]["variety"].as<array>()->size() == 2u);
|
|
CHECK(tbl["fruit"][0]["variety"].as<array>()->is_homogeneous());
|
|
CHECK(tbl["fruit"][0]["variety"].as<array>()->is_array_of_tables());
|
|
CHECK(tbl["fruit"][0]["variety"][0]["name"] == "red delicious"sv);
|
|
CHECK(tbl["fruit"][0]["variety"][1]["name"] == "granny smith"sv);
|
|
|
|
REQUIRE(tbl["fruit"][1].as_table());
|
|
CHECK(tbl["fruit"][1].as_table()->size() == 2u);
|
|
CHECK(tbl["fruit"][1]["name"] == "banana"sv);
|
|
|
|
REQUIRE(tbl["fruit"][1]["variety"].as<array>());
|
|
CHECK(tbl["fruit"][1]["variety"].as<array>()->size() == 1u);
|
|
CHECK(tbl["fruit"][1]["variety"].as<array>()->is_homogeneous());
|
|
CHECK(tbl["fruit"][1]["variety"].as<array>()->is_array_of_tables());
|
|
CHECK(tbl["fruit"][1]["variety"][0]["name"] == "plantain"sv);
|
|
});
|
|
|
|
parsing_should_fail(FILE_LINE_ARGS, R"(
|
|
# INVALID TOML DOC
|
|
[fruit.physical] # subtable, but to which parent element should it belong?
|
|
color = "red"
|
|
shape = "round"
|
|
|
|
[[fruit]] # parser must throw an error upon discovering that "fruit" is
|
|
# an array rather than a table
|
|
name = "apple"
|
|
)"sv);
|
|
|
|
parsing_should_fail(FILE_LINE_ARGS, R"(
|
|
# INVALID TOML DOC
|
|
fruit = []
|
|
|
|
[[fruit]] # Not allowed
|
|
)"sv);
|
|
|
|
parsing_should_fail(FILE_LINE_ARGS, R"(
|
|
# INVALID TOML DOC
|
|
[[fruit]]
|
|
name = "apple"
|
|
|
|
[[fruit.variety]]
|
|
name = "red delicious"
|
|
|
|
# INVALID: This table conflicts with the previous array of tables
|
|
[fruit.variety]
|
|
name = "granny smith"
|
|
)"sv);
|
|
|
|
parsing_should_fail(FILE_LINE_ARGS, R"(
|
|
# INVALID TOML DOC
|
|
[[fruit]]
|
|
name = "apple"
|
|
|
|
[fruit.physical]
|
|
color = "red"
|
|
shape = "round"
|
|
|
|
# INVALID: This array of tables conflicts with the previous table
|
|
[[fruit.physical]]
|
|
color = "green"
|
|
)"sv);
|
|
}
|
|
|
|
TEST_CASE("parsing - keys")
|
|
{
|
|
parsing_should_succeed(FILE_LINE_ARGS,
|
|
R"(
|
|
[a.b]
|
|
c = "10.0.0.1"
|
|
d = "frontend"
|
|
e = { f.g = 79.5, h = 72.0 }
|
|
)"sv,
|
|
[](table&& tbl)
|
|
{
|
|
// ensure types are sane first
|
|
REQUIRE(tbl["a"].is_table());
|
|
REQUIRE(tbl["a"]["b"].is_table());
|
|
REQUIRE(tbl["a"]["b"]["c"]);
|
|
REQUIRE(tbl["a"]["b"]["d"]);
|
|
REQUIRE(tbl["a"]["b"]["e"].is_table());
|
|
REQUIRE(tbl["a"]["b"]["e"]["f"].is_table());
|
|
REQUIRE(tbl["a"]["b"]["e"]["f"]["g"]);
|
|
REQUIRE(tbl["a"]["b"]["e"]["h"]);
|
|
|
|
const auto check_key =
|
|
[&](const auto& t, std::string_view k, source_position b, source_position e)
|
|
{
|
|
const toml::key& found_key = t.as_table()->find(k)->first;
|
|
CHECK(found_key.str() == k);
|
|
CHECK(found_key.source().begin == b);
|
|
CHECK(found_key.source().end == e);
|
|
CHECK(found_key.source().path == tbl.source().path);
|
|
};
|
|
|
|
check_key(tbl, "a", { 2, 2 }, { 2, 3 });
|
|
check_key(tbl["a"], "b", { 2, 4 }, { 2, 5 });
|
|
check_key(tbl["a"]["b"], "c", { 3, 1 }, { 3, 2 });
|
|
check_key(tbl["a"]["b"], "d", { 4, 1 }, { 4, 2 });
|
|
check_key(tbl["a"]["b"], "e", { 5, 1 }, { 5, 2 });
|
|
check_key(tbl["a"]["b"]["e"], "f", { 5, 7 }, { 5, 8 });
|
|
check_key(tbl["a"]["b"]["e"]["f"], "g", { 5, 9 }, { 5, 10 });
|
|
check_key(tbl["a"]["b"]["e"], "h", { 5, 19 }, { 5, 20 });
|
|
});
|
|
}
|