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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/generators/dstr/ary-ptrn-elem-id-iter-val-err.js | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/generators/dstr/ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/generators/dstr/ary-ptrn-elem-id-iter-val-err.js new file mode 100644 index 0000000000..2ef06dabcd --- /dev/null +++ b/js/src/tests/test262/language/statements/generators/dstr/ary-ptrn-elem-id-iter-val-err.js @@ -0,0 +1,77 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case +// - src/dstr-binding/error/gen-func-decl.template +/*--- +description: Error forwarding when IteratorValue returns an abrupt completion (generator function declaration) +esid: sec-generator-function-definitions-runtime-semantics-instantiatefunctionobject +features: [Symbol.iterator, generators, destructuring-binding] +flags: [generated] +info: | + GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody } + + [...] + 2. Let F be GeneratorFunctionCreate(Normal, FormalParameters, + GeneratorBody, scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set iteratorRecord.[[done]] to + true. + iii. ReturnIfAbrupt(v). + +---*/ +var poisonedValue = Object.defineProperty({}, 'value', { + get: function() { + throw new Test262Error(); + } +}); +var g = {}; +g[Symbol.iterator] = function() { + return { + next: function() { + return poisonedValue; + } + }; +}; + +function* f([x]) {} + +assert.throws(Test262Error, function() { + f(g); +}); + +reportCompare(0, 0); |