tor-browser

The Tor Browser
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ary-ptrn-elem-ary-val-null.js (1316B)


      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
      3 // - src/dstr-binding/error/var-stmt.template
      4 /*---
      5 description: Nested array destructuring with a null value (`var` statement)
      6 esid: sec-variable-statement-runtime-semantics-evaluation
      7 features: [destructuring-binding]
      8 flags: [generated]
      9 info: |
     10    VariableDeclaration : BindingPattern Initializer
     11 
     12    1. Let rhs be the result of evaluating Initializer.
     13    2. Let rval be GetValue(rhs).
     14    3. ReturnIfAbrupt(rval).
     15    4. Return the result of performing BindingInitialization for
     16       BindingPattern passing rval and undefined as arguments.
     17 
     18    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     19 
     20    BindingElement : BindingPattern Initializeropt
     21 
     22    1. If iteratorRecord.[[done]] is false, then
     23       [...]
     24       e. Else
     25          i. Let v be IteratorValue(next).
     26          [...]
     27    4. Return the result of performing BindingInitialization of BindingPattern
     28       with v and environment as the arguments.
     29 
     30    13.3.3.5 Runtime Semantics: BindingInitialization
     31 
     32    BindingPattern : ArrayBindingPattern
     33 
     34    1. Let iterator be GetIterator(value).
     35    2. ReturnIfAbrupt(iterator).
     36 ---*/
     37 
     38 assert.throws(TypeError, function() {
     39  var [[x]] = [null];
     40 });
     41 
     42 reportCompare(0, 0);