diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-undefined.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-undefined.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-undefined.js b/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-undefined.js new file mode 100644 index 0000000000..5c4d0e06f1 --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-undefined.js @@ -0,0 +1,30 @@ +// Copyright 2017 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: If a named group was not reached, it is replaced by the empty string +esid: sec-getsubstitution +features: [regexp-named-groups] +info: | + Runtime Semantics: GetSubstitution( matched, str, position, captures, namedCaptures, replacement ) + + Table: Replacement Text Symbol Substitutions + + Unicode Characters: $< + Replacement text: + 2. Otherwise, + c. Let capture be ? Get(namedCaptures, groupName). + d. If capture is undefined, replace the text through > with the empty string. +---*/ + +let source = "(?<fst>.)(?<snd>.)|(?<thd>x)"; +for (let flags of ["g", "gu"]) { + let re = new RegExp(source, flags); + assert.sameValue("", "abcd".replace(re, "$<thd>")); +} +for (let flags of ["", "u"]) { + let re = new RegExp(source, flags); + assert.sameValue("cd", "abcd".replace(re, "$<thd>")); +} + +reportCompare(0, 0); |