From fbaf0bb26397aa498eb9156f06d5a6fe34dd7dd8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:14:29 +0200 Subject: Merging upstream version 125.0.1. Signed-off-by: Daniel Baumann --- third_party/rust/litrs/src/char/tests.rs | 227 +++++++++++++++++++++++++++++++ 1 file changed, 227 insertions(+) create mode 100644 third_party/rust/litrs/src/char/tests.rs (limited to 'third_party/rust/litrs/src/char/tests.rs') diff --git a/third_party/rust/litrs/src/char/tests.rs b/third_party/rust/litrs/src/char/tests.rs new file mode 100644 index 0000000000..19219db73b --- /dev/null +++ b/third_party/rust/litrs/src/char/tests.rs @@ -0,0 +1,227 @@ +use crate::{Literal, test_util::{assert_parse_ok_eq, assert_roundtrip}}; +use super::CharLit; + +// ===== Utility functions ======================================================================= + +macro_rules! check { + ($lit:literal) => { check!($lit, stringify!($lit), "") }; + ($lit:literal, $input:expr, $suffix:literal) => { + let input = $input; + let expected = CharLit { + raw: input, + start_suffix: input.len() - $suffix.len(), + value: $lit, + }; + + assert_parse_ok_eq(input, CharLit::parse(input), expected.clone(), "CharLit::parse"); + assert_parse_ok_eq(input, Literal::parse(input), Literal::Char(expected), "Literal::parse"); + let lit = CharLit::parse(input).unwrap(); + assert_eq!(lit.value(), $lit); + assert_eq!(lit.suffix(), $suffix); + assert_roundtrip(expected.to_owned(), input); + }; +} + + +// ===== Actual tests ============================================================================ + +#[test] +fn alphanumeric() { + check!('a'); + check!('b'); + check!('y'); + check!('z'); + check!('A'); + check!('B'); + check!('Y'); + check!('Z'); + + check!('0'); + check!('1'); + check!('8'); + check!('9'); +} + +#[test] +fn special_chars() { + check!(' '); + check!('!'); + check!('"'); + check!('#'); + check!('$'); + check!('%'); + check!('&'); + check!('('); + check!(')'); + check!('*'); + check!('+'); + check!(','); + check!('-'); + check!('.'); + check!('/'); + check!(':'); + check!(';'); + check!('<'); + check!('='); + check!('>'); + check!('?'); + check!('@'); + check!('['); + check!(']'); + check!('^'); + check!('_'); + check!('`'); + check!('{'); + check!('|'); + check!('}'); + check!('~'); +} + +#[test] +fn unicode() { + check!('న'); + check!('犬'); + check!('🦊'); +} + +#[test] +fn quote_escapes() { + check!('\''); + check!('\"'); +} + +#[test] +fn ascii_escapes() { + check!('\n'); + check!('\r'); + check!('\t'); + check!('\\'); + check!('\0'); + + check!('\x00'); + check!('\x01'); + check!('\x0c'); + check!('\x0D'); + check!('\x13'); + check!('\x30'); + check!('\x30'); + check!('\x4B'); + check!('\x6b'); + check!('\x7F'); + check!('\x7f'); +} + +#[test] +fn unicode_escapes() { + check!('\u{0}'); + check!('\u{00}'); + check!('\u{b}'); + check!('\u{B}'); + check!('\u{7e}'); + check!('\u{E4}'); + check!('\u{e4}'); + check!('\u{fc}'); + check!('\u{Fc}'); + check!('\u{fC}'); + check!('\u{FC}'); + check!('\u{b10}'); + check!('\u{B10}'); + check!('\u{0b10}'); + check!('\u{2764}'); + check!('\u{1f602}'); + check!('\u{1F602}'); + + check!('\u{0}'); + check!('\u{0__}'); + check!('\u{3_b}'); + check!('\u{1_F_6_0_2}'); + check!('\u{1_F6_02_____}'); +} + +#[test] +fn suffixes() { + check!('a', r##"'a'peter"##, "peter"); + check!('#', r##"'#'peter"##, "peter"); + check!('\n', r##"'\n'peter"##, "peter"); + check!('\'', r##"'\''peter"##, "peter"); + check!('\"', r##"'\"'peter"##, "peter"); +} + +#[test] +fn invald_ascii_escapes() { + assert_err!(CharLit, r"'\x80'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\x81'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\x8a'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\x8F'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\xa0'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\xB0'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\xc3'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\xDf'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\xff'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\xfF'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\xFf'", NonAsciiXEscape, 1..5); + assert_err!(CharLit, r"'\xFF'", NonAsciiXEscape, 1..5); +} + +#[test] +fn invalid_escapes() { + assert_err!(CharLit, r"'\a'", UnknownEscape, 1..3); + assert_err!(CharLit, r"'\y'", UnknownEscape, 1..3); + assert_err!(CharLit, r"'\", UnterminatedEscape, 1); + assert_err!(CharLit, r"'\x'", UnterminatedEscape, 1..4); + assert_err!(CharLit, r"'\x1'", InvalidXEscape, 1..5); + assert_err!(CharLit, r"'\xaj'", InvalidXEscape, 1..5); + assert_err!(CharLit, r"'\xjb'", InvalidXEscape, 1..5); +} + +#[test] +fn invalid_unicode_escapes() { + assert_err!(CharLit, r"'\u'", UnicodeEscapeWithoutBrace, 1..3); + assert_err!(CharLit, r"'\u '", UnicodeEscapeWithoutBrace, 1..3); + assert_err!(CharLit, r"'\u3'", UnicodeEscapeWithoutBrace, 1..3); + + assert_err!(CharLit, r"'\u{'", UnterminatedUnicodeEscape, 1..5); + assert_err!(CharLit, r"'\u{12'", UnterminatedUnicodeEscape, 1..7); + assert_err!(CharLit, r"'\u{a0b'", UnterminatedUnicodeEscape, 1..8); + assert_err!(CharLit, r"'\u{a0_b '", UnterminatedUnicodeEscape, 1..11); + + assert_err!(CharLit, r"'\u{_}'", InvalidStartOfUnicodeEscape, 4); + assert_err!(CharLit, r"'\u{_5f}'", InvalidStartOfUnicodeEscape, 4); + + assert_err!(CharLit, r"'\u{x}'", NonHexDigitInUnicodeEscape, 4); + assert_err!(CharLit, r"'\u{0x}'", NonHexDigitInUnicodeEscape, 5); + assert_err!(CharLit, r"'\u{3bx}'", NonHexDigitInUnicodeEscape, 6); + assert_err!(CharLit, r"'\u{3b_x}'", NonHexDigitInUnicodeEscape, 7); + assert_err!(CharLit, r"'\u{4x_}'", NonHexDigitInUnicodeEscape, 5); + + assert_err!(CharLit, r"'\u{1234567}'", TooManyDigitInUnicodeEscape, 10); + assert_err!(CharLit, r"'\u{1234567}'", TooManyDigitInUnicodeEscape, 10); + assert_err!(CharLit, r"'\u{1_23_4_56_7}'", TooManyDigitInUnicodeEscape, 14); + assert_err!(CharLit, r"'\u{abcdef123}'", TooManyDigitInUnicodeEscape, 10); + + assert_err!(CharLit, r"'\u{110000}'", InvalidUnicodeEscapeChar, 1..10); +} + +#[test] +fn parse_err() { + assert_err!(CharLit, r"''", EmptyCharLiteral, None); + assert_err!(CharLit, r"' ''", UnexpectedChar, 3); + + assert_err!(CharLit, r"'", UnterminatedCharLiteral, None); + assert_err!(CharLit, r"'a", UnterminatedCharLiteral, None); + assert_err!(CharLit, r"'\n", UnterminatedCharLiteral, None); + assert_err!(CharLit, r"'\x35", UnterminatedCharLiteral, None); + + assert_err!(CharLit, r"'ab'", OverlongCharLiteral, None); + assert_err!(CharLit, r"'a _'", OverlongCharLiteral, None); + assert_err!(CharLit, r"'\n3'", OverlongCharLiteral, None); + + assert_err!(CharLit, r"", Empty, None); + + assert_err!(CharLit, r"'''", UnescapedSingleQuote, 1); + assert_err!(CharLit, r"''''", UnescapedSingleQuote, 1); + + assert_err!(CharLit, "'\n'", UnescapedSpecialWhitespace, 1); + assert_err!(CharLit, "'\t'", UnescapedSpecialWhitespace, 1); + assert_err!(CharLit, "'\r'", UnescapedSpecialWhitespace, 1); +} -- cgit v1.2.3