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Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/regexp-modifiers/remove-multiline.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/regexp-modifiers/remove-multiline.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/regexp-modifiers/remove-multiline.js b/js/src/tests/test262/built-ins/RegExp/regexp-modifiers/remove-multiline.js new file mode 100644 index 0000000000..730888a662 --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/regexp-modifiers/remove-multiline.js @@ -0,0 +1,45 @@ +// |reftest| skip -- regexp-modifiers is not supported +// Copyright 2023 Ron Buckton. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +author: Ron Buckton +description: > + multiline (`m`) modifier can be removed via `(?-m:)`. +info: | + Runtime Semantics: CompileAtom + The syntax-directed operation CompileAtom takes arguments direction (forward or backward) and modifiers (a Modifiers Record) and returns a Matcher. + + Atom :: `(` `?` RegularExpressionFlags `-` RegularExpressionFlags `:` Disjunction `)` + 1. Let addModifiers be the source text matched by the first RegularExpressionFlags. + 2. Let removeModifiers be the source text matched by the second RegularExpressionFlags. + 3. Let newModifiers be UpdateModifiers(modifiers, CodePointsToString(addModifiers), CodePointsToString(removeModifiers)). + 4. Return CompileSubpattern of Disjunction with arguments direction and newModifiers. + + UpdateModifiers ( modifiers, add, remove ) + The abstract operation UpdateModifiers takes arguments modifiers (a Modifiers Record), add (a String), and remove (a String) and returns a Modifiers. It performs the following steps when called: + + 1. Let dotAll be modifiers.[[DotAll]]. + 2. Let ignoreCase be modifiers.[[IgnoreCase]]. + 3. Let multiline be modifiers.[[Multiline]]. + 4. If add contains "s", set dotAll to true. + 5. If add contains "i", set ignoreCase to true. + 6. If add contains "m", set multiline to true. + 7. If remove contains "s", set dotAll to false. + 8. If remove contains "i", set ignoreCase to false. + 9. If remove contains "m", set multiline to false. + 10. Return the Modifiers Record { [[DotAll]]: dotAll, [[IgnoreCase]]: ignoreCase, [[Multiline]]: multiline }. + +esid: sec-compileatom +features: [regexp-modifiers] +---*/ + +var re1 = /^(?-m:es$)/m; +assert(!re1.test("\nes\ns"), "$ should not match newline in modified group"); +assert(re1.test("\nes"), "$ should match end of input in modified group"); + +var re2 = new RegExp("^(?-m:es$)", "m"); +assert(!re2.test("\nes\ns"), "$ should not match newline in modified group"); +assert(re2.test("\nes"), "$ should match end of input in modified group"); + +reportCompare(0, 0); |