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tomlplusplus/tests/user_feedback.cpp
Mark Gillard e37e6d2bce fixed treating non-ASCII horizontal whitespace as valid (closes #135) 
also:
- added `parse_result::at_path()`
2022-01-09 13:01:56 +02:00

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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.h"
// this file is about testing user misc. repros submitted via github issues, et cetera.
TEST_CASE("user feedback")
{
SECTION("github/issues/49") // https://github.com/marzer/tomlplusplus/issues/49#issuecomment-664428571
{
toml::table t1;
t1.insert_or_assign("bar1", toml::array{ 1, 2, 3 });
CHECK(t1 == toml::table{ { "bar1"sv, toml::array{ 1, 2, 3 } } });
t1.insert_or_assign("foo1", *t1.get("bar1"));
CHECK(t1 == toml::table{ { "bar1"sv, toml::array{ 1, 2, 3 } }, { "foo1"sv, toml::array{ 1, 2, 3 } } });
// t1["foo1"] = t1["bar1"]; // does nothing, should this fail to compile?
// - yes -
//*t1["foo1"].node() = *t1["bar1"].node(); // compile failure; copying node_view would be a bad thing
// - correct; copying toml::node directly like that is impossible b.c. it's an abstract base class-
toml::array* array1 = t1["foo1"].node()->as_array();
array1->push_back(4);
CHECK(t1 == toml::table{ { "bar1"sv, toml::array{ 1, 2, 3 } }, { "foo1"sv, toml::array{ 1, 2, 3, 4 } } });
t1.insert_or_assign("foo3", t1["foo1"]);
CHECK(t1
== toml::table{ { "bar1"sv, toml::array{ 1, 2, 3 } },
{ "foo1"sv, toml::array{ 1, 2, 3, 4 } },
{ "foo3"sv, toml::array{ 1, 2, 3, 4 } } });
t1.insert_or_assign("foo2", *t1["foo1"].node());
CHECK(t1
== toml::table{ { "bar1"sv, toml::array{ 1, 2, 3 } },
{ "foo1"sv, toml::array{ 1, 2, 3, 4 } },
{ "foo2"sv, toml::array{ 1, 2, 3, 4 } },
{ "foo3"sv, toml::array{ 1, 2, 3, 4 } } });
toml::array* array2 = t1["foo2"].node()->as_array();
array2->push_back("wrench");
CHECK(t1
== toml::table{ { "bar1"sv, toml::array{ 1, 2, 3 } },
{ "foo1"sv, toml::array{ 1, 2, 3, 4 } },
{ "foo2"sv, toml::array{ 1, 2, 3, 4, "wrench" } },
{ "foo3"sv, toml::array{ 1, 2, 3, 4 } } });
toml::table t2 = t1;
CHECK(t2 == t1);
CHECK(&t2 != &t1);
// t2.emplace("bar", toml::array{6, 7}); // fails to compile? not sure what I did wrong
// - it should be this: -
t2.emplace<toml::array>("bar", 6, 7);
CHECK(t2
== toml::table{ { "bar"sv, toml::array{ 6, 7 } },
{ "bar1"sv, toml::array{ 1, 2, 3 } },
{ "foo1"sv, toml::array{ 1, 2, 3, 4 } },
{ "foo2"sv, toml::array{ 1, 2, 3, 4, "wrench" } },
{ "foo3"sv, toml::array{ 1, 2, 3, 4 } } });
t2.insert_or_assign("bar2", toml::array{ 6, 7 });
CHECK(t2
== toml::table{ { "bar"sv, toml::array{ 6, 7 } },
{ "bar1"sv, toml::array{ 1, 2, 3 } },
{ "bar2"sv, toml::array{ 6, 7 } },
{ "foo1"sv, toml::array{ 1, 2, 3, 4 } },
{ "foo2"sv, toml::array{ 1, 2, 3, 4, "wrench" } },
{ "foo3"sv, toml::array{ 1, 2, 3, 4 } } });
}
SECTION("github/issues/65") // https://github.com/marzer/tomlplusplus/issues/65
{
// these test a number of things
// - a comment at EOF
// - a malformed UTF-8 sequence in a comment
// - a malformed UTF-8 sequence during a KVP
// - overlong numeric literals
// all should fail to parse, but correctly issue an error (not crash!)
parsing_should_fail(FILE_LINE_ARGS, "#\xf1\x63");
parsing_should_fail(FILE_LINE_ARGS, "1= 0x6cA#+\xf1");
parsing_should_fail(FILE_LINE_ARGS, "p=06:06:06#\x0b\xff");
parsing_should_fail(
FILE_LINE_ARGS,
"''''d' 't' '+o\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c"
"\x0c\x0c\x0c\x0c\x0c\r\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c"
"\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c"
"\x0c\x0c\x0c\x0c\x0c\x0c\x0cop1\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c"
"\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c"
"\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c' 'ml'\n\n%\x87");
parsing_should_fail(
FILE_LINE_ARGS,
R"(t =[ 9, 2, 1,"r", 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0 ])");
}
SECTION("github/issues/67") // https://github.com/marzer/tomlplusplus/issues/67
{
const auto data = R"(array=["v1", "v2", "v3"])"sv;
parsing_should_succeed(FILE_LINE_ARGS,
data,
[](auto&& table)
{
auto arr = table["array"].as_array();
for (auto it = arr->cbegin(); it != arr->cend();)
if (it->value_or(std::string_view{}) == "v2"sv)
it = arr->erase(it);
else
++it;
CHECK(arr->size() == 2);
});
}
SECTION("github/issues/68") // https://github.com/marzer/tomlplusplus/issues/68
{
const auto data = R"(array=["v1", "v2", "v3"])"sv;
parsing_should_succeed(FILE_LINE_ARGS,
data,
[](auto&& table)
{
std::stringstream ss;
ss << table;
CHECK(ss.str() == "array = [ 'v1', 'v2', 'v3' ]"sv);
});
}
SECTION("github/issues/69") // https://github.com/marzer/tomlplusplus/issues/69
{
using namespace toml::literals; // should compile without namespace ambiguity
auto table = "[table]\nkey=\"value\""_toml;
}
SECTION("github/pull/80") // https://github.com/marzer/tomlplusplus/pull/80
{
const auto data = R"(
a = { "key" = 1 } # inline table
b = [] # array value
[[c]] # array-of-tables with a single, empty table element
)"sv;
parsing_should_succeed(FILE_LINE_ARGS,
data,
[](auto&& table)
{
std::stringstream ss;
ss << table;
CHECK(ss.str() == R"(a = { key = 1 }
b = []
[[c]])"sv);
});
}
SECTION("github/issues/100") // https://github.com/marzer/tomlplusplus/issues/100
{
// this tests for two separate things that should fail gracefully, not crash:
// 1. pathologically-nested inputs
// 2. a particular sequence of malformed UTF-8
parsing_should_fail(FILE_LINE_ARGS, "fl =[ [[[[[[[[[[[[[[[\x36\x80\x86\x00\x00\x00\x2D\x36\x9F\x20\x00"sv);
std::string s(2048_sz, '[');
constexpr auto start = "fl =[ "sv;
memcpy(s.data(), start.data(), start.length());
parsing_should_fail(FILE_LINE_ARGS, std::string_view{ s });
}
SECTION("github/issues/112") // https://github.com/marzer/tomlplusplus/issues/112
{
parsing_should_fail(FILE_LINE_ARGS,
R"(
[a.b.c.d]
u = 6
[a]
b.t = 8
[a.b] # should cause redefinition error here
u = 0
)",
6);
parsing_should_fail(FILE_LINE_ARGS,
R"(
[a]
b.t = 8
[a.b] # should cause redefinition error here
u = 0
)",
4);
}
SECTION("github/issues/125") // https://github.com/marzer/tomlplusplus/issues/125
{
parse_expected_value(FILE_LINE_ARGS, R"("\u0800")"sv, "\xE0\xA0\x80"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u7840")"sv, "\xE7\xA1\x80"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\uAA23")"sv, "\xEA\xA8\xA3"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\uA928")"sv, "\xEA\xA4\xA8"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u9CBF")"sv, "\xE9\xB2\xBF"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u2247")"sv, "\xE2\x89\x87"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u13D9")"sv, "\xE1\x8F\x99"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u69FC")"sv, "\xE6\xA7\xBC"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u8DE5")"sv, "\xE8\xB7\xA5"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u699C")"sv, "\xE6\xA6\x9C"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u8CD4")"sv, "\xE8\xB3\x94"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u4ED4")"sv, "\xE4\xBB\x94"sv);
parse_expected_value(FILE_LINE_ARGS, R"("\u2597")"sv, "\xE2\x96\x97"sv);
}
SECTION("github/issues/127") // https://github.com/marzer/tomlplusplus/issues/127
{
parse_expected_value(FILE_LINE_ARGS,
"12:34:56.11122233345678"sv,
toml::time{
12,
34,
56,
111222333u // should truncate the .45678 part
});
}
SECTION("github/issues/128") // https://github.com/marzer/tomlplusplus/issues/128
{
parsing_should_fail(FILE_LINE_ARGS, "\f"sv);
parsing_should_fail(FILE_LINE_ARGS, "\v"sv);
parsing_should_succeed(FILE_LINE_ARGS, " "sv);
parsing_should_succeed(FILE_LINE_ARGS, "\t"sv);
parsing_should_succeed(FILE_LINE_ARGS, "\n"sv);
}
SECTION("github/issues/129") // https://github.com/marzer/tomlplusplus/issues/129
{
parsing_should_fail(FILE_LINE_ARGS, R"(
hex = 0x
oct = 0o
bin = 0b
)"sv);
}
SECTION("github/issues/130") // https://github.com/marzer/tomlplusplus/issues/130
{
parse_expected_value(FILE_LINE_ARGS, "0400-01-01 00:00:00"sv, toml::date_time{ { 400, 1, 1 }, { 0, 0, 0 } });
parse_expected_value(FILE_LINE_ARGS, "0400-01-01 "sv, toml::date{ 400, 1, 1 });
parse_expected_value(FILE_LINE_ARGS, "0400-01-01T00:00:00"sv, toml::date_time{ { 400, 1, 1 }, { 0, 0, 0 } });
parse_expected_value(FILE_LINE_ARGS, "1000-01-01 00:00:00"sv, toml::date_time{ { 1000, 1, 1 }, { 0, 0, 0 } });
}
SECTION("github/issues/131") // https://github.com/marzer/tomlplusplus/issues/131
{
parsing_should_fail(FILE_LINE_ARGS, R"(
a={}
[a.b]
)"sv);
}
SECTION("github/issues/132") // https://github.com/marzer/tomlplusplus/issues/132
{
parsing_should_fail(FILE_LINE_ARGS, "#\r"sv);
}
SECTION("github/issues/134") // https://github.com/marzer/tomlplusplus/issues/134
{
// binary
parsing_should_fail(
FILE_LINE_ARGS,
"val = 0b11111111_11111111_11111111_11111111_11111111_11111111_11111111_11111111"sv); // uint64_t
// max
parsing_should_fail(
FILE_LINE_ARGS,
"val = 0b10000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000"sv); // int64_t
// max
// + 1
parse_expected_value(FILE_LINE_ARGS,
"0b01111111_11111111_11111111_11111111_11111111_11111111_11111111_11111111"sv,
INT64_MAX); // int64_t max
// octal
parsing_should_fail(FILE_LINE_ARGS, " val = 0o1777777777777777777777"sv); // uint64_t max
parsing_should_fail(FILE_LINE_ARGS, " val = 0o1000000000000000000000"sv); // int64_t max + 1
parse_expected_value(FILE_LINE_ARGS, " 0o0777777777777777777777"sv, INT64_MAX);
// decimal
parsing_should_fail(FILE_LINE_ARGS, " val = 100000000000000000000"sv);
parsing_should_fail(FILE_LINE_ARGS, " val = 18446744073709551615"sv); // uint64_t max
parsing_should_fail(FILE_LINE_ARGS, " val = 10000000000000000000"sv);
parsing_should_fail(FILE_LINE_ARGS, " val = 9999999999999999999"sv);
parsing_should_fail(FILE_LINE_ARGS, " val = 9223372036854775808"sv); // int64_t max + 1
parse_expected_value(FILE_LINE_ARGS, " 9223372036854775807"sv, INT64_MAX);
parse_expected_value(FILE_LINE_ARGS, " 1000000000000000000"sv, 1000000000000000000LL);
parse_expected_value(FILE_LINE_ARGS, " -1000000000000000000"sv, -1000000000000000000LL);
parse_expected_value(FILE_LINE_ARGS, " -9223372036854775808"sv, INT64_MIN);
parsing_should_fail(FILE_LINE_ARGS, " val = -9223372036854775809"sv); // int64_t min - 1
parsing_should_fail(FILE_LINE_ARGS, " val = -10000000000000000000"sv);
parsing_should_fail(FILE_LINE_ARGS, " val = -18446744073709551615"sv); // -(uint64_t max)
parsing_should_fail(FILE_LINE_ARGS, " val = -100000000000000000000"sv);
// hexadecimal
parsing_should_fail(FILE_LINE_ARGS, " val = 0xFFFFFFFFFFFFFFFF"sv); // uint64_t max
parsing_should_fail(FILE_LINE_ARGS, " val = 0x8000000000000000"sv); // int64_t max + 1
parse_expected_value(FILE_LINE_ARGS, " 0x7FFFFFFFFFFFFFFF"sv, INT64_MAX);
}
SECTION("github/issues/135") // https://github.com/marzer/tomlplusplus/issues/135
{
parsing_should_succeed(FILE_LINE_ARGS, "0=0"sv);
parsing_should_succeed(FILE_LINE_ARGS, "1=1"sv);
parsing_should_succeed(FILE_LINE_ARGS, "2=2"sv);
parsing_should_succeed(FILE_LINE_ARGS,
"0=0\n"
"1=1\n"
"2=2\n"sv);
parsing_should_fail(FILE_LINE_ARGS,
"0=0\n"
"\u2000\u2000\n"
"1=1\n"
"2=2\n"sv);
}
}
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