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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/eval-code/indirect/var-env-func-init-global-update-configurable.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/eval-code/indirect/var-env-func-init-global-update-configurable.js b/js/src/tests/test262/language/eval-code/indirect/var-env-func-init-global-update-configurable.js new file mode 100644 index 0000000000..db2e2a0a79 --- /dev/null +++ b/js/src/tests/test262/language/eval-code/indirect/var-env-func-init-global-update-configurable.js @@ -0,0 +1,49 @@ +// 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-evaldeclarationinstantiation +description: Modification of previously-existing configurable global property +info: | + [...] + 15. For each production f in functionsToInitialize, do + a. Let fn be the sole element of the BoundNames of f. + b. Let fo be the result of performing InstantiateFunctionObject for f + with argument lexEnv. + c. If varEnvRec is a global Environment Record, then + i. Perform ? varEnvRec.CreateGlobalFunctionBinding(fn, fo, true). + [...] + + 8.1.1.4.18 CreateGlobalFunctionBinding + + [...] + 5. If existingProp is undefined or existingProp.[[Configurable]] is true, + then + a. Let desc be the PropertyDescriptor{[[Value]]: V, [[Writable]]: true, + [[Enumerable]]: true, [[Configurable]]: D}. + 6. Else, + [...] + 7. Perform ? DefinePropertyOrThrow(globalObject, N, desc). + [...] +includes: [propertyHelper.js] +---*/ + +var initial = null; + +Object.defineProperty(this, 'f', { + enumerable: false, + writable: false, + configurable: true +}); + +(0, eval)('initial = f; function f() { return 345; }'); + +verifyProperty(this, 'f', { + writable: true, + enumerable: true, + configurable: true, +}); + +assert.sameValue(typeof initial, 'function'); +assert.sameValue(initial(), 345); + +reportCompare(0, 0); |