diff options
Diffstat (limited to 'vendor/array_tool/tests/string.rs')
| -rw-r--r-- | vendor/array_tool/tests/string.rs | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/vendor/array_tool/tests/string.rs b/vendor/array_tool/tests/string.rs new file mode 100644 index 000000000..ec73bbb74 --- /dev/null +++ b/vendor/array_tool/tests/string.rs @@ -0,0 +1,130 @@ +extern crate array_tool; + +#[test] +fn it_squeezes_characters() { + use array_tool::string::Squeeze; + + assert_eq!("yellow moon".squeeze(""), "yelow mon"); + assert_eq!(" now is the".squeeze(" "), " now is the"); + assert_eq!("ééé".squeeze(""), "é"); + assert_eq!(" /// aa".squeeze("/"), " / aa"); + + let string: String = format!("yellow moon"); + assert_eq!(string.squeeze(""), "yelow mon"); + + assert_eq!("".squeeze(""), ""); +} + +#[test] +fn it_iterates_over_every_grapheme_character() { + use array_tool::string::ToGraphemeBytesIter; + + let temp = "a s—d féZ"; + let mut giter = temp.grapheme_bytes_iter(); + + assert_eq!(giter.next().unwrap(), "a".as_bytes()); + assert_eq!(giter.next().unwrap(), " ".as_bytes()); + assert_eq!(giter.next().unwrap(), "s".as_bytes()); + assert_eq!(giter.next().unwrap(), "—".as_bytes()); + assert_eq!(giter.next().unwrap(), "d".as_bytes()); + assert_eq!(giter.next().unwrap(), " ".as_bytes()); + assert_eq!(giter.next().unwrap(), "f".as_bytes()); + assert_eq!(giter.next().unwrap(), "é".as_bytes()); + assert_eq!(giter.next().unwrap(), "Z".as_bytes()); + assert_eq!(giter.next(), None); + + let somestring2 = format!("{}", "a s—d féZ"); + let mut giter2 = somestring2.grapheme_bytes_iter(); + + assert_eq!(giter2.next().unwrap(), "a".as_bytes()); + assert_eq!(giter2.next().unwrap(), " ".as_bytes()); + assert_eq!(giter2.next().unwrap(), "s".as_bytes()); + assert_eq!(giter2.next().unwrap(), "—".as_bytes()); + assert_eq!(giter2.next().unwrap(), "d".as_bytes()); + assert_eq!(giter2.next().unwrap(), " ".as_bytes()); + assert_eq!(giter2.next().unwrap(), "f".as_bytes()); + assert_eq!(giter2.next().unwrap(), "é".as_bytes()); + assert_eq!(giter2.next().unwrap(), "Z".as_bytes()); + assert_eq!(giter2.next(), None); + + assert_eq!("".grapheme_bytes_iter().next(), None); +} + +#[test] +fn it_justifies_one_line_in_for_string() { + use array_tool::string::Justify; + + assert_eq!("asd asdf asd".justify_line(14), "asd asdf asd"); + assert_eq!("asd asdf asd".justify_line(16), "asd asdf asd"); + assert_eq!("asd as df asd".justify_line(16), "asd as df asd"); + assert_eq!("asd as df asd".justify_line(18), "asd as df asd"); + assert_eq!(" asd as df asd ".justify_line(16), "asd as df asd"); + assert_eq!("asdasdfasd".justify_line(16), "asdasdfasd"); + assert_eq!("asdasdfasd".justify_line(6), "asdasdfasd"); + assert_eq!("é é".justify_line(5), "é é"); + assert_eq!("a s—d féZ".justify_line(12), "a s—d féZ"); + + assert_eq!("".justify_line(14), ""); +} + +#[test] +fn it_substitutes_character_at_each_indexed_point() { + use array_tool::string::SubstMarks; + + assert_eq!("asdf asdf asdf".subst_marks(vec![0,5,8], "Z"), "Zsdf ZsdZ asdf"); + assert_eq!("asdf asdf asdf".subst_marks(vec![8,5,0], "Z"), "Zsdf ZsdZ asdf"); + assert_eq!("asdf asdf asdf".subst_marks(vec![0,5,8], "\n"), "\nsdf \nsd\n asdf"); + assert_eq!("ééé".subst_marks(vec![1], "Z"), "éZé"); + assert_eq!("ééé".subst_marks(vec![1,2], "Z"), "éZZ"); + assert_eq!("ZZZ".subst_marks(vec![0,2], "é" ), "éZé"); + assert_eq!("ééé".subst_marks(vec![0], "Z"), "Zéé"); + + assert_eq!("".subst_marks(vec![0], "Z"), ""); +} + +#[test] +fn it_seeks_end_of_whitespace_after_offset() { + use array_tool::string::AfterWhitespace; + + assert_eq!("asdf asdf asdf".seek_end_of_whitespace(6), Some(9)); + assert_eq!("asdf".seek_end_of_whitespace(3), Some(0)); + assert_eq!("asdf ".seek_end_of_whitespace(6), None); + assert_eq!("asdf".seek_end_of_whitespace(6), None); + + assert_eq!("".seek_end_of_whitespace(6), None); +} + +#[test] +fn it_word_wraps_for_string() { + use array_tool::string::WordWrap; + + assert_eq!( + "01234 67 9 BC EFG IJ".word_wrap(6), + "01234\n67 9\nBC EFG\nIJ" + ); + + assert_eq!( + "0123456789ABC EFG IJ".word_wrap(6), + "0123456789ABC\nEFG IJ" + ); + assert_eq!( + "1234\n 1234 6789 1234".word_wrap(10), + "1234\n 1234 6789\n1234" + ); + assert_eq!( + "1234\n 1234 67 90 1234".word_wrap(10), + "1234\n 1234 67\n90 1234" + ); + assert_eq!( + "1234\n 1234 67 90A 1234".word_wrap(10), + "1234\n 1234 67\n90A 1234" + ); + assert_eq!("1 \n34 ".word_wrap(3), "1 \n34 "); + assert_eq!("1 34".word_wrap(3), "1 \n34"); + assert_eq!("\n \n \n \n".word_wrap(1), "\n \n \n \n" ); + + // White space to new line shouldn't add new lines. Use seek ahead. + assert_eq!("\nAA\nA \nA \n".word_wrap(1), "\nAA\nA \nA \n" ); + assert_eq!("\n \n \n \n ".word_wrap(1), "\n \n \n \n " ); +} + |