diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-prop-obj.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-prop-obj.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-prop-obj.js new file mode 100644 index 0000000000..4e1490ec4d --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-prop-obj.js @@ -0,0 +1,43 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj.case +// - src/dstr-binding/default/async-gen-func-decl-dflt.template +/*--- +description: Object binding pattern with "nested" object binding pattern not using initializer (async generator function declaration (default parameter)) +esid: sec-asyncgenerator-definitions-instantiatefunctionobject +features: [async-iteration] +flags: [generated, async] +info: | + AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier + ( FormalParameters ) { AsyncGeneratorBody } + + [...] + 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, + scope, strict). + [...] + + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + + +var callCount = 0; +async function* f({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) { + assert.sameValue(x, undefined); + assert.sameValue(y, undefined); + assert.sameValue(z, 7); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; +f().next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |