| # This is a basic test that checks ^ and $ treat \r\n as a single line |
| # terminator. If ^ and $ only treated \n as a line terminator, then this would |
| # only match 'xyz' at the end of the haystack. |
| [[test]] |
| name = "basic" |
| regex = '(?mR)^[a-z]+$' |
| haystack = "abc\r\ndef\r\nxyz" |
| matches = [[0, 3], [5, 8], [10, 13]] |
| |
| # Tests that a CRLF-aware '^$' assertion does not match between CR and LF. |
| [[test]] |
| name = "start-end-non-empty" |
| regex = '(?mR)^$' |
| haystack = "abc\r\ndef\r\nxyz" |
| matches = [] |
| |
| # Tests that a CRLF-aware '^$' assertion matches the empty string, just like |
| # a non-CRLF-aware '^$' assertion. |
| [[test]] |
| name = "start-end-empty" |
| regex = '(?mR)^$' |
| haystack = "" |
| matches = [[0, 0]] |
| |
| # Tests that a CRLF-aware '^$' assertion matches the empty string preceding |
| # and following a line terminator. |
| [[test]] |
| name = "start-end-before-after" |
| regex = '(?mR)^$' |
| haystack = "\r\n" |
| matches = [[0, 0], [2, 2]] |
| |
| # Tests that a CRLF-aware '^' assertion does not split a line terminator. |
| [[test]] |
| name = "start-no-split" |
| regex = '(?mR)^' |
| haystack = "abc\r\ndef\r\nxyz" |
| matches = [[0, 0], [5, 5], [10, 10]] |
| |
| # Same as above, but with adjacent runs of line terminators. |
| [[test]] |
| name = "start-no-split-adjacent" |
| regex = '(?mR)^' |
| haystack = "\r\n\r\n\r\n" |
| matches = [[0, 0], [2, 2], [4, 4], [6, 6]] |
| |
| # Same as above, but with adjacent runs of just carriage returns. |
| [[test]] |
| name = "start-no-split-adjacent-cr" |
| regex = '(?mR)^' |
| haystack = "\r\r\r" |
| matches = [[0, 0], [1, 1], [2, 2], [3, 3]] |
| |
| # Same as above, but with adjacent runs of just line feeds. |
| [[test]] |
| name = "start-no-split-adjacent-lf" |
| regex = '(?mR)^' |
| haystack = "\n\n\n" |
| matches = [[0, 0], [1, 1], [2, 2], [3, 3]] |
| |
| # Tests that a CRLF-aware '$' assertion does not split a line terminator. |
| [[test]] |
| name = "end-no-split" |
| regex = '(?mR)$' |
| haystack = "abc\r\ndef\r\nxyz" |
| matches = [[3, 3], [8, 8], [13, 13]] |
| |
| # Same as above, but with adjacent runs of line terminators. |
| [[test]] |
| name = "end-no-split-adjacent" |
| regex = '(?mR)$' |
| haystack = "\r\n\r\n\r\n" |
| matches = [[0, 0], [2, 2], [4, 4], [6, 6]] |
| |
| # Same as above, but with adjacent runs of just carriage returns. |
| [[test]] |
| name = "end-no-split-adjacent-cr" |
| regex = '(?mR)$' |
| haystack = "\r\r\r" |
| matches = [[0, 0], [1, 1], [2, 2], [3, 3]] |
| |
| # Same as above, but with adjacent runs of just line feeds. |
| [[test]] |
| name = "end-no-split-adjacent-lf" |
| regex = '(?mR)$' |
| haystack = "\n\n\n" |
| matches = [[0, 0], [1, 1], [2, 2], [3, 3]] |
| |
| # Tests that '.' does not match either \r or \n when CRLF mode is enabled. Note |
| # that this doesn't require multi-line mode to be enabled. |
| [[test]] |
| name = "dot-no-crlf" |
| regex = '(?R).' |
| haystack = "\r\n\r\n\r\n" |
| matches = [] |
| |
| # This is a test that caught a bug in the one-pass DFA where it (amazingly) was |
| # using 'is_end_lf' instead of 'is_end_crlf' here. It was probably a copy & |
| # paste bug. We insert an empty capture group here because it provokes the meta |
| # regex engine to first find a match and then trip over a panic because the |
| # one-pass DFA erroneously says there is no match. |
| [[test]] |
| name = "onepass-wrong-crlf-with-capture" |
| regex = '(?Rm:().$)' |
| haystack = "ZZ\r" |
| matches = [[[1, 2], [1, 1]]] |
| |
| # This is like onepass-wrong-crlf-with-capture above, except it sets up the |
| # test so that it can be run by the one-pass DFA directly. (i.e., Make it |
| # anchored and start the search at the right place.) |
| [[test]] |
| name = "onepass-wrong-crlf-anchored" |
| regex = '(?Rm:.$)' |
| haystack = "ZZ\r" |
| matches = [[1, 2]] |
| anchored = true |
| bounds = [1, 3] |
