keith_miller@apple.com | bcc77f2 | 2016-07-15 06:03:25 +0000 | [diff] [blame] | 1 | // This file was procedurally generated from the following sources: |
| 2 | // - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case |
| 3 | // - src/dstr-binding/error/const-stmt.template |
| 4 | /*--- |
| 5 | description: Object binding pattern with "nested" object binding pattern taking the `null` value (`const` statement) |
| 6 | esid: sec-let-and-const-declarations-runtime-semantics-evaluation |
| 7 | es6id: 13.3.1.4 |
| 8 | features: [destructuring-binding] |
| 9 | flags: [generated] |
| 10 | info: | |
| 11 | LexicalBinding : BindingPattern Initializer |
| 12 | |
| 13 | 1. Let rhs be the result of evaluating Initializer. |
| 14 | 2. Let value be GetValue(rhs). |
| 15 | 3. ReturnIfAbrupt(value). |
| 16 | 4. Let env be the running execution context's LexicalEnvironment. |
| 17 | 5. Return the result of performing BindingInitialization for BindingPattern |
| 18 | using value and env as the arguments. |
| 19 | |
| 20 | 13.3.3.7 Runtime Semantics: KeyedBindingInitialization |
| 21 | |
| 22 | [...] |
| 23 | 3. If Initializer is present and v is undefined, then |
| 24 | [...] |
| 25 | 4. Return the result of performing BindingInitialization for BindingPattern |
| 26 | passing v and environment as arguments. |
| 27 | ---*/ |
| 28 | |
| 29 | assert.throws(TypeError, function() { |
| 30 | const { w: { x, y, z } = undefined } = { }; |
| 31 | }); |