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tomlplusplus/tests/parsing_key_value_pairs.cpp

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// 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 - key-value pairs")
{
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
key = "value"
bare_key = "value"
bare-key = "value"
1234 = "value"
"" = "blank"
)"sv,
[](table&& tbl)
{
CHECK(tbl.size() == 5);
CHECK(tbl[S("key")] == S("value"sv));
CHECK(tbl[S("bare_key")] == S("value"sv));
CHECK(tbl[S("bare-key")] == S("value"sv));
CHECK(tbl[S("1234")] == S("value"sv));
CHECK(tbl[S("")] == S("blank"sv));
}
);
parsing_should_fail(FILE_LINE_ARGS, R"(key = # INVALID)"sv);
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
"127.0.0.1" = "value"
"character encoding" = "value"
"ʎǝʞ" = "value"
'key2' = "value"
'quoted "value"' = "value"
'' = 'blank'
)"sv,
[](table&& tbl)
{
CHECK(tbl[S("127.0.0.1")] == S("value"sv));
CHECK(tbl[S("character encoding")] == S("value"sv));
CHECK(tbl[S("ʎǝʞ")] == S("value"sv));
CHECK(tbl[S("key2")] == S("value"sv));
CHECK(tbl[S("quoted \"value\"")] == S("value"sv));
CHECK(tbl[S("")] == S("blank"sv));
}
);
parsing_should_fail(FILE_LINE_ARGS, R"(= "no key name")"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
# DO NOT DO THIS
name = "Tom"
name = "Pradyun"
)"sv);
}
TEST_CASE("parsing - key-value pairs (dotted)")
{
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
name = "Orange"
physical.color = "orange"
physical.shape = "round"
site."google.com" = true
3.14159 = "pi"
)"sv,
[](table&& tbl)
{
CHECK(tbl.size() == 4);
CHECK(tbl[S("name")] == S("Orange"sv));
CHECK(tbl[S("physical")][S("color")] == S("orange"sv));
CHECK(tbl[S("physical")][S("shape")] == S("round"sv));
CHECK(tbl[S("site")][S("google.com")] == true);
CHECK(tbl[S("3")][S("14159")] == S("pi"sv));
}
);
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
fruit.apple.smooth = true
fruit.orange = 2
)"sv,
[](table&& tbl)
{
CHECK(tbl[S("fruit")][S("apple")][S("smooth")] == true);
CHECK(tbl[S("fruit")][S("orange")] == 2);
}
);
parsing_should_fail(FILE_LINE_ARGS, R"(
# THIS IS INVALID
fruit.apple = 1
fruit.apple.smooth = true
)"sv);
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
# VALID BUT DISCOURAGED
apple.type = "fruit"
orange.type = "fruit"
apple.skin = "thin"
orange.skin = "thick"
apple.color = "red"
orange.color = "orange"
)"sv,
[](table&& tbl)
{
CHECK(tbl[S("apple")][S("type")] == S("fruit"sv));
CHECK(tbl[S("apple")][S("skin")] == S("thin"sv));
CHECK(tbl[S("apple")][S("color")] == S("red"sv));
CHECK(tbl[S("orange")][S("type")] == S("fruit"sv));
CHECK(tbl[S("orange")][S("skin")] == S("thick"sv));
CHECK(tbl[S("orange")][S("color")] == S("orange"sv));
}
);
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
# RECOMMENDED
apple.type = "fruit"
apple.skin = "thin"
apple.color = "red"
orange.type = "fruit"
orange.skin = "thick"
orange.color = "orange"
)"sv,
[](table&& tbl)
{
CHECK(tbl[S("apple")][S("type")] == S("fruit"sv));
CHECK(tbl[S("apple")][S("skin")] == S("thin"sv));
CHECK(tbl[S("apple")][S("color")] == S("red"sv));
CHECK(tbl[S("orange")][S("type")] == S("fruit"sv));
CHECK(tbl[S("orange")][S("skin")] == S("thick"sv));
CHECK(tbl[S("orange")][S("color")] == S("orange"sv));
}
);
// toml/issues/644 ('+' in bare keys) & toml/issues/687 (unicode bare keys)
#if TOML_LANG_UNRELEASED
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
key+1 = 0
ʎǝʞ2 = 0
)"sv,
[](table&& tbl)
{
CHECK(tbl.size() == 2);
CHECK(tbl[S("key+1")] == 0);
CHECK(tbl[S("ʎǝʞ2")] == 0);
}
);
#else
parsing_should_fail(FILE_LINE_ARGS, R"(key+1 = 0)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(ʎǝʞ2 = 0)"sv);
#endif
}
TEST_CASE("parsing - key-value pairs (string keys)")
{
// these are all derived from the discussion at
// https://github.com/toml-lang/toml/issues/733.
// whitespace stripped, fail duplicate keys
parsing_should_fail(FILE_LINE_ARGS, R"(
a = 2
a = 3
)"sv);
// only surrounding whitespace is stripped, fail: illegal key name or syntax error
parsing_should_fail(FILE_LINE_ARGS, "a b = 3"sv);
// whitespace is allowed when quoted, fail duplicate key
parsing_should_succeed(FILE_LINE_ARGS, "\"a b\" = 3"sv);
parsing_should_succeed(FILE_LINE_ARGS, "'a b' = 3"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
"a b" = 3
'a b' = 3
)"sv);
// whitespace is allowed when quoted, but not collapsed, success
parsing_should_succeed(FILE_LINE_ARGS, R"(
"a b" = 3
'a b' = 3
)"sv);
// whitespace relevant, but fail: duplicate key
parsing_should_fail(FILE_LINE_ARGS, R"(
"a " = 2
'a ' = 3
)"sv);
// whitespace relevant, and not collapsed, success
parsing_should_succeed(FILE_LINE_ARGS, R"(
"a " = 2
"a " = 3
)"sv);
// whitespace can be escaped, success, different keys (whitespace escapes are not normalized)
parsing_should_succeed(FILE_LINE_ARGS, R"(
"a\n" = 2
"a\r" = 3
"a\t" = 3
"a\f" = 3
)"sv);
// valid keys composed of various string/non-string mixes types
parsing_should_succeed(FILE_LINE_ARGS, R"(a = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"('a' = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("a" = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"(a.b = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"('a'.b = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("a".b = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"(a.'b' = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"('a'.'b' = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("a".'b' = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"(a."b" = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"('a'."b" = 3)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("a"."b" = 3)"sv);
// multi-line strings can't be used in keys
parsing_should_fail(FILE_LINE_ARGS, R"('''a''' = 3)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"("""a""" = 3)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(a.'''b''' = 3)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(a."""b""" = 3)"sv);
// whitespace relevant (success test, values are NOTE equal)
parsing_should_succeed(FILE_LINE_ARGS, R"(
a = " to do "
b = "to do"
)"sv, [](table&& tbl)
{
CHECK(tbl[S("a")] == S(" to do "sv));
CHECK(tbl[S("b")] == S("to do"sv));
});
// values must be quoted, syntax error
parsing_should_fail(FILE_LINE_ARGS, R"(
a = to do
b = todo
)"sv);
// different quotes, fail duplicate keys
parsing_should_fail(FILE_LINE_ARGS, R"(
a = 2
'a' = 2
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
'a' = 2
"a" = 2
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
'a' = 2
"""a""" = 2
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
'''a''' = 2
"""a""" = 2
)"sv);
// success test, capital not equal to small
parsing_should_succeed(FILE_LINE_ARGS, R"(
a = 2
A = 3
)"sv);
// inner quotes are not stripped from value, a & b are equal, value surrounded by quotes
parsing_should_succeed(FILE_LINE_ARGS, R"(
a = "\"quoted\""
b = """"quoted""""
)"sv, [](table&& tbl)
{
CHECK(tbl[S("a")] == S("\"quoted\""sv));
CHECK(tbl[S("b")] == S("\"quoted\""sv));
});
// quote correction is not applied, fail syntax error
parsing_should_fail(FILE_LINE_ARGS, R"("a = "test")"sv);
parsing_should_fail(FILE_LINE_ARGS, R"('a = 'test')"sv);
parsing_should_fail(FILE_LINE_ARGS, R"("a = 'test")"sv);
parsing_should_fail(FILE_LINE_ARGS, R"('a = "test')"sv);
// quotes cannot appear in keys this way, fail syntax error
parsing_should_fail(FILE_LINE_ARGS, R"("a'b = 3)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"("a"b = 3)"sv);
// escaped quotes and single quotes can appear this way, fail duplicate keys
parsing_should_succeed(FILE_LINE_ARGS, R"("a'b" = 2)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("a\u0027b" = 4)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
"a'b" = 2
"a\u0027b" = 4
)"sv);
// literal strings, escapes are not escaped, success, since keys are valid and not equal
parsing_should_succeed(FILE_LINE_ARGS, R"(
'a"b' = 2
'a\"b' = 4
)"sv);
// escapes must be compared after unescaping, fail duplicate key
parsing_should_succeed(FILE_LINE_ARGS, R"(a = 1)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("\u0061" = 2)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
a = 1
"\u0061" = 2
)"sv);
// escaping requires quotes, syntax error
parsing_should_fail(FILE_LINE_ARGS, R"(\u0061 = 2)"sv);
// empty keys are allowed, but can only appear once, fail duplicate key
parsing_should_succeed(FILE_LINE_ARGS, R"("" = 2)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"('' = 3)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
"" = 2
'' = 3
)"sv);
// bare keys can be numerals, but are interpreted as strings, fail duplicate key
parsing_should_succeed(FILE_LINE_ARGS, R"(1234 = 5)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("1234" = 5)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
1234 = 5
"1234" = 5
)"sv);
// bare keys can be numerals, but are interpreted as strings, fail duplicate key
parsing_should_succeed(FILE_LINE_ARGS, R"(1234 = 5)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"('1234' = 5)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
1234 = 5
'1234' = 5
)"sv);
// bare keys can be numerals, but are interpreted as strings, valid, different keys
parsing_should_succeed(FILE_LINE_ARGS, R"(
1234 = 5
01234 = 5
)"sv);
// bare keys can be numerals, but are interpreted as strings, valid, different keys
parsing_should_succeed(FILE_LINE_ARGS, R"(
12e3 = 4
12000 = 5
)"sv);
// bare keys can be numerals, but are interpreted as strings, valid, different keys, one dotted
parsing_should_succeed(FILE_LINE_ARGS, R"(
1.2e3 = 4
1200 = 5
)"sv);
// bare keys can be numerals, but are interpreted as strings, success, cause one is dotted
parsing_should_succeed(FILE_LINE_ARGS, R"(
1.2e3 = 4
"1.2e3" = 5
)"sv);
// bare keys can be numerals, but are interpreted as strings, fail duplicate keys
parsing_should_succeed(FILE_LINE_ARGS, R"(12e3 = 4)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("12e3" = 5)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
12e3 = 4
"12e3" = 5
)"sv);
// bare keys can be numerals, but are interpreted as strings, fail duplicate dotted keys
parsing_should_succeed(FILE_LINE_ARGS, R"(1.2e3 = 4)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"(1."2e3" = 5)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
1.2e3 = 4
1."2e3" = 5
)"sv);
// bare keys can be numerals, but are interpreted as strings, fail duplicate dotted keys
parsing_should_succeed(FILE_LINE_ARGS, R"(1.2e3 = 4)"sv);
parsing_should_succeed(FILE_LINE_ARGS, R"("1".2e3 = 5)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
1.2e3 = 4
"1".2e3 = 5
)"sv);
}
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