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Diffstat (limited to 'js/src/tests/test262/annexB/language/literals/regexp/quantifiable-assertion-followed-by.js')
-rw-r--r-- | js/src/tests/test262/annexB/language/literals/regexp/quantifiable-assertion-followed-by.js | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/literals/regexp/quantifiable-assertion-followed-by.js b/js/src/tests/test262/annexB/language/literals/regexp/quantifiable-assertion-followed-by.js new file mode 100644 index 0000000000..4e09b24a95 --- /dev/null +++ b/js/src/tests/test262/annexB/language/literals/regexp/quantifiable-assertion-followed-by.js @@ -0,0 +1,70 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-regular-expressions-patterns +es6id: B.1.4 +description: Quantifiable assertions `?=` ("followed by") +info: | + Term[U] :: + [~U] QuantifiableAssertion Quantifier + + QuantifiableAssertion :: + ( ?= Disjunction ) + ( ?! Disjunction ) + + The production Term::QuantifiableAssertionQuantifier evaluates the same as + the production Term::AtomQuantifier but with QuantifiableAssertion + substituted for Atom. + + The production Assertion::QuantifiableAssertion evaluates by evaluating + QuantifiableAssertion to obtain a Matcher and returning that Matcher. + + Assertion (21.2.2.6) evaluation rules for the Assertion::(?=Disjunction) + and Assertion::(?!Disjunction) productions are also used for the + QuantifiableAssertion productions, but with QuantifiableAssertion + substituted for Assertion. +---*/ + +var match; + +match = /.(?=Z)*/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'a', 'quantifier: *'); + +match = /.(?=Z)+/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'b', 'quantifier: +'); + +match = /.(?=Z)?/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'a', 'quantifier: ?'); + +match = /.(?=Z){2}/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'b', 'quantifier: { DecimalDigits }'); + +match = /.(?=Z){2,}/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'b', 'quantifier: { DecimalDigits , }'); + +match = /.(?=Z){2,3}/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue( + match[0], 'b', 'quantifier: { DecimalDigits , DecimalDigits }' +); + +match = /.(?=Z)*?/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'a', 'quantifier: * ?'); + +match = /.(?=Z)+?/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'b', 'quantifier: + ?'); + +match = /.(?=Z)??/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'a', 'quantifier: ? ?'); + +match = /.(?=Z){2}?/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'b', 'quantifier: { DecimalDigits } ?'); + +match = /.(?=Z){2,}?/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue(match[0], 'b', 'quantifier: { DecimalDigits , } ?'); + +match = /.(?=Z){2,3}?/.exec('a bZ cZZ dZZZ eZZZZ'); +assert.sameValue( + match[0], 'b', 'quantifier: { DecimalDigits , DecimalDigits } ?' +); + +reportCompare(0, 0); |