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tomlplusplus/tests/parsing_integers.cpp

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new file: .circleci/config.yml new file: .editorconfig new file: .gitattributes new file: .gitignore new file: .gitmodules new file: LICENSE new file: README.md new file: examples/example.cpp new file: examples/example.toml new file: examples/meson.build new file: include/toml++/toml.h new file: include/toml++/toml_array.h new file: include/toml++/toml_common.h new file: include/toml++/toml_formatter.h new file: include/toml++/toml_node.h new file: include/toml++/toml_node_view.h new file: include/toml++/toml_parser.h new file: include/toml++/toml_table.h new file: include/toml++/toml_utf8.h new file: include/toml++/toml_utf8_generated.h new file: include/toml++/toml_value.h new file: meson.build new file: python/ci_single_header_check.py new file: python/generate_single_header.py new file: python/generate_unicode_functions.py new file: tests/catch2 new file: tests/catch2.h new file: tests/lifetimes.cpp new file: tests/main.cpp new file: tests/meson.build new file: tests/parsing_arrays.cpp new file: tests/parsing_booleans.cpp new file: tests/parsing_comments.cpp new file: tests/parsing_dates_and_times.cpp new file: tests/parsing_floats.cpp new file: tests/parsing_integers.cpp new file: tests/parsing_key_value_pairs.cpp new file: tests/parsing_spec_example.cpp new file: tests/parsing_strings.cpp new file: tests/parsing_tables.cpp new file: tests/tests.cpp new file: tests/tests.h new file: toml.hpp new file: vs/.runsettings new file: vs/example.vcxproj new file: vs/test_char.vcxproj new file: vs/test_char8.vcxproj new file: vs/test_char8_noexcept.vcxproj new file: vs/test_char_noexcept.vcxproj new file: vs/test_strict_char.vcxproj new file: vs/test_strict_char8.vcxproj new file: vs/test_strict_char8_noexcept.vcxproj new file: vs/test_strict_char_noexcept.vcxproj new file: vs/toml++.natvis new file: vs/toml++.props new file: vs/toml++.sln new file: vs/toml++.vcxproj new file: vs/toml++.vcxproj.filters
2020-01-04 14:21:38 +00:00
#include "tests.h"
TEST_CASE("parsing integers - decimal")
{
parsing_should_succeed(S(R"(
int1 = +99
int2 = 42
int3 = 0
int4 = -17
int5 = 1_000
int6 = 5_349_221
int7 = 1_2_3_4_5 # VALID but discouraged
)"sv),
[](table&& tbl) noexcept
{
CHECK(tbl[S("int1")] == 99);
CHECK(tbl[S("int2")] == 42);
CHECK(tbl[S("int3")] == 0);
CHECK(tbl[S("int4")] == -17);
CHECK(tbl[S("int5")] == 1000);
CHECK(tbl[S("int6")] == 5349221);
CHECK(tbl[S("int7")] == 12345);
}
);
// "Each underscore must be surrounded by at least one digit on each side."
parsing_should_fail(S("int5 = 1__000"sv));
parsing_should_fail(S("int5 = _1_000"sv));
parsing_should_fail(S("int5 = 1_000_"sv));
// "Leading zeroes are not allowed."
parsing_should_fail(S("int1 = +099"sv));
parsing_should_fail(S("int2 = 042"sv));
parsing_should_fail(S("int3 = 00"sv));
parsing_should_fail(S("int4 = -017"sv));
parsing_should_fail(S("int5 = 01_000"sv));
parsing_should_fail(S("int6 = 05_349_221"sv));
parsing_should_fail(S("int7 = 01_2_3_4_5"sv));
// "Integer values -0 and +0 are valid and identical to an unprefixed zero."
parsing_should_succeed(
S("zeroes = [-0, +0]"sv),
[](table&& tbl) noexcept
{
CHECK(tbl[S("zeroes")][0] == 0);
CHECK(tbl[S("zeroes")][1] == 0);
}
);
parsing_should_fail(S("val = +-1"sv));
parsing_should_fail(S("val = -+1"sv));
parsing_should_fail(S("val = ++1"sv));
parsing_should_fail(S("val = --1"sv));
parsing_should_fail(S("val = 1-"sv));
parsing_should_fail(S("val = 1+"sv));
parsing_should_fail(S("val = -1+"sv));
parsing_should_fail(S("val = +1-"sv));
// value tests
parse_expected_value( "1234"sv, 1234 );
parse_expected_value( "+1234"sv, 1234 );
parse_expected_value( "-1234"sv, -1234 );
parse_expected_value( "0"sv, 0 );
parse_expected_value( "1_2_3_4"sv, 1234 );
parse_expected_value( "+1_2_3_4"sv, 1234 );
parse_expected_value( "-1_2_3_4"sv, -1234 );
parse_expected_value( "123_456_789"sv, 123456789 );
}
TEST_CASE("parsing integers - hex, bin, oct")
{
parsing_should_succeed(S(R"(
# hexadecimal with prefix `0x`
hex1 = 0xDEADBEEF
hex2 = 0xdeadbeef
hex3 = 0xdead_beef
# octal with prefix `0o`
oct1 = 0o01234567
oct2 = 0o755 # useful for Unix file permissions
# binary with prefix `0b`
bin1 = 0b11010110
)"sv),
[](table&& tbl) noexcept
{
CHECK(tbl[S("hex1")] == 0xDEADBEEF);
CHECK(tbl[S("hex2")] == 0xDEADBEEF);
CHECK(tbl[S("hex3")] == 0xDEADBEEF);
CHECK(tbl[S("oct1")] == 01234567);
CHECK(tbl[S("oct2")] == 0755);
CHECK(tbl[S("bin1")] == 0b11010110);
}
);
// "leading + is not allowed"
parsing_should_fail(S("hex1 = +0xDEADBEEF"sv));
parsing_should_fail(S("hex2 = +0xdeadbeef"sv));
parsing_should_fail(S("hex3 = +0xdead_beef"sv));
parsing_should_fail(S("oct1 = +0o01234567"sv));
parsing_should_fail(S("oct2 = +0o7550"sv));
parsing_should_fail(S("int6 = +05_349_221"sv));
parsing_should_fail(S("bin1 = +0b11010110"sv));
// "leading zeros are allowed (after the prefix)"
parsing_should_succeed(S(R"(
hex1 = 0x000DEADBEEF
hex2 = 0x00000deadbeef
hex3 = 0x0dead_beef
oct1 = 0o0001234567
oct2 = 0o000755
bin1 = 0b0000011010110
)"sv),
[](table&& tbl) noexcept
{
CHECK(tbl[S("hex1")] == 0xDEADBEEF);
CHECK(tbl[S("hex2")] == 0xDEADBEEF);
CHECK(tbl[S("hex3")] == 0xDEADBEEF);
CHECK(tbl[S("oct1")] == 01234567);
CHECK(tbl[S("oct2")] == 0755);
CHECK(tbl[S("bin1")] == 0b11010110);
}
);
// "64 bit (signed long) range expected (−9,223,372,036,854,775,808 to 9,223,372,036,854,775,807)."
parsing_should_fail(S("val = −9223372036854775809"sv));
parsing_should_fail(S("val = 9223372036854775808"sv));
// "***Non-negative*** integer values may also be expressed in hexadecimal, octal, or binary"
parsing_should_fail(S("val = -0o1"sv));
parsing_should_fail(S("val = -0b1"sv));
parsing_should_fail(S("val = -0x1"sv));
// value tests
parse_expected_value( "0xDEADBEEF"sv, 0xDEADBEEF );
parse_expected_value( "0xdeadbeef"sv, 0xDEADBEEF );
parse_expected_value( "0xDEADbeef"sv, 0xDEADBEEF );
parse_expected_value( "0xDEAD_BEEF"sv, 0xDEADBEEF );
parse_expected_value( "0xdead_beef"sv, 0xDEADBEEF );
parse_expected_value( "0xdead_BEEF"sv, 0xDEADBEEF );
parse_expected_value( "0xFF"sv, 0xFF );
parse_expected_value( "0x00FF"sv, 0xFF );
parse_expected_value( "0x0000FF"sv, 0xFF );
parse_expected_value( "0o777"sv, 0777 );
parse_expected_value( "0o7_7_7"sv, 0777 );
parse_expected_value( "0o007"sv, 0007 );
parse_expected_value( "0b10000"sv, 0b10000 );
parse_expected_value( "0b010000"sv, 0b10000 );
parse_expected_value( "0b01_00_00"sv, 0b10000 );
parse_expected_value( "0b111111"sv, 0b111111 );
}
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