diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/assignment/dstr/array-elision-iter-abpt.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/assignment/dstr/array-elision-iter-abpt.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/assignment/dstr/array-elision-iter-abpt.js b/js/src/tests/test262/language/expressions/assignment/dstr/array-elision-iter-abpt.js new file mode 100644 index 0000000000..74f7309dba --- /dev/null +++ b/js/src/tests/test262/language/expressions/assignment/dstr/array-elision-iter-abpt.js @@ -0,0 +1,50 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-assignment/array-elision-iter-abpt.case +// - src/dstr-assignment/error/assignment-expr.template +/*--- +description: IteratorClose is not called when iteration produces an abrupt completion (AssignmentExpression) +esid: sec-variable-statement-runtime-semantics-evaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + VariableDeclaration : BindingPattern Initializer + + 1. Let rhs be the result of evaluating Initializer. + 2. Let rval be GetValue(rhs). + 3. ReturnIfAbrupt(rval). + 4. Return the result of performing BindingInitialization for + BindingPattern passing rval and undefined as arguments. + + ArrayAssignmentPattern : [ Elision ] + + 1. Let iterator be GetIterator(value). + [...] + 5. If iteratorRecord.[[done]] is false, return IteratorClose(iterator, + result). + [...] + +---*/ +var nextCount = 0; +var returnCount = 0; +var iterable = {}; +var iterator = { + next: function() { + nextCount += 1; + throw new Test262Error(); + }, + return: function() { + returnCount += 1; + } +}; +iterable[Symbol.iterator] = function() { + return iterator; +}; + +assert.throws(Test262Error, function() { + 0, [ , ] = iterable; +}); + +assert.sameValue(nextCount, 1); +assert.sameValue(returnCount, 0); + +reportCompare(0, 0); |