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-rw-r--r--tomlplusplus/tests/parsing_key_value_pairs.cpp399
1 files changed, 399 insertions, 0 deletions
diff --git a/tomlplusplus/tests/parsing_key_value_pairs.cpp b/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) 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.hpp"
+
+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["key"] == "value"sv);
+ CHECK(tbl["bare_key"] == "value"sv);
+ CHECK(tbl["bare-key"] == "value"sv);
+ CHECK(tbl["1234"] == "value"sv);
+ CHECK(tbl[""] == "blank"sv);
+ });
+
+ parsing_should_fail(FILE_LINE_ARGS, R"(key = # INVALID)"sv);
+
+#if UNICODE_LITERALS_OK
+ 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["127.0.0.1"] == "value"sv);
+ CHECK(tbl["character encoding"] == "value"sv);
+ CHECK(tbl["ʎǝʞ"] == "value"sv);
+ CHECK(tbl["key2"] == "value"sv);
+ CHECK(tbl["quoted \"value\""] == "value"sv);
+ CHECK(tbl[""] == "blank"sv);
+ });
+#endif // UNICODE_LITERALS_OK
+
+ 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["name"] == "Orange"sv);
+ CHECK(tbl["physical"]["color"] == "orange"sv);
+ CHECK(tbl["physical"]["shape"] == "round"sv);
+ CHECK(tbl["site"]["google.com"] == true);
+ CHECK(tbl["3"]["14159"] == "pi"sv);
+ });
+
+ parsing_should_succeed(FILE_LINE_ARGS,
+ R"(
+ fruit.apple.smooth = true
+ fruit.orange = 2
+ )"sv,
+ [](table&& tbl)
+ {
+ CHECK(tbl["fruit"]["apple"]["smooth"] == true);
+ CHECK(tbl["fruit"]["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["apple"]["type"] == "fruit"sv);
+ CHECK(tbl["apple"]["skin"] == "thin"sv);
+ CHECK(tbl["apple"]["color"] == "red"sv);
+ CHECK(tbl["orange"]["type"] == "fruit"sv);
+ CHECK(tbl["orange"]["skin"] == "thick"sv);
+ CHECK(tbl["orange"]["color"] == "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["apple"]["type"] == "fruit"sv);
+ CHECK(tbl["apple"]["skin"] == "thin"sv);
+ CHECK(tbl["apple"]["color"] == "red"sv);
+ CHECK(tbl["orange"]["type"] == "fruit"sv);
+ CHECK(tbl["orange"]["skin"] == "thick"sv);
+ CHECK(tbl["orange"]["color"] == "orange"sv);
+ });
+
+// toml/issues/644 ('+' in bare keys)
+#if TOML_LANG_UNRELEASED
+ parsing_should_succeed(FILE_LINE_ARGS, "key+1 = 0"sv, [](table&& tbl) { CHECK(tbl["key+1"] == 0); });
+#else
+ parsing_should_fail(FILE_LINE_ARGS, "key+1 = 0"sv);
+#endif
+
+// toml/pull/891 (unicode bare keys)
+// clang-format off
+#if UNICODE_LITERALS_OK
+#if TOML_LANG_UNRELEASED
+ parsing_should_succeed(FILE_LINE_ARGS, R"(ʎǝʞ = 1)"sv, [](table&& tbl) { CHECK(tbl[R"(ʎǝʞ)"] == 1); });
+ parsing_should_succeed(FILE_LINE_ARGS, R"(Fuß = 2)"sv, [](table&& tbl) { CHECK(tbl[R"(Fuß)"] == 2); });
+ parsing_should_succeed(FILE_LINE_ARGS, R"(😂 = 3)"sv, [](table&& tbl) { CHECK(tbl[R"(😂)"] == 3); });
+ parsing_should_succeed(FILE_LINE_ARGS, R"(汉语大字典 = 4)"sv, [](table&& tbl) { CHECK(tbl[R"(汉语大字典)"] == 4); });
+ parsing_should_succeed(FILE_LINE_ARGS, R"(辭源 = 5)"sv, [](table&& tbl) { CHECK(tbl[R"(辭源)"] == 5); });
+ parsing_should_succeed(FILE_LINE_ARGS, R"(பெண்டிரேம் = 6)"sv, [](table&& tbl) { CHECK(tbl[R"(பெண்டிரேம்)"] == 6); });
+#else
+ parsing_should_fail(FILE_LINE_ARGS, R"(ʎǝʞ = 1)"sv);
+ parsing_should_fail(FILE_LINE_ARGS, R"(Fuß = 2)"sv);
+ parsing_should_fail(FILE_LINE_ARGS, R"(😂 = 3)"sv);
+ parsing_should_fail(FILE_LINE_ARGS, R"(汉语大字典 = 4)"sv);
+ parsing_should_fail(FILE_LINE_ARGS, R"(辭源 = 5)"sv);
+ parsing_should_fail(FILE_LINE_ARGS, R"(பெண்டிரேம் = 6)"sv);
+#endif
+#endif // UNICODE_LITERALS_OK
+ // clang-format on
+}
+
+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["a"] == " to do "sv);
+ CHECK(tbl["b"] == "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["a"] == "\"quoted\""sv);
+ CHECK(tbl["b"] == "\"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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