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Diffstat (limited to 'js/src/tests/test262/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js')
| -rw-r--r-- | js/src/tests/test262/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js b/js/src/tests/test262/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js new file mode 100644 index 0000000000..628eb10a82 --- /dev/null +++ b/js/src/tests/test262/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js @@ -0,0 +1,20 @@ +// |reftest| error:SyntaxError +// Copyright 2017 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: GroupSpecifiers within one alternative must be unique. +info: | + It is a Syntax Error if |Pattern| contains two distinct |GroupSpecifier|s + _x_ and _y_ for which CapturingGroupName(_x_) is the same as + CapturingGroupName(_y_) and such that CanBothParticipate(_x_, _y_) is *true*. +esid: sec-patterns-static-semantics-early-errors +negative: + phase: parse + type: SyntaxError +features: [regexp-named-groups] +---*/ + +$DONOTEVALUATE(); + +/(?<a>a)(?<a>a)/; |