diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary.js')
-rw-r--r-- | js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary.js new file mode 100644 index 0000000000..76da804abf --- /dev/null +++ b/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary.js @@ -0,0 +1,38 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary.case +// - src/dstr-binding/default/let-stmt.template +/*--- +description: Object binding pattern with "nested" array binding pattern not using initializer (`let` statement) +esid: sec-let-and-const-declarations-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + LexicalBinding : BindingPattern Initializer + + 1. Let rhs be the result of evaluating Initializer. + 2. Let value be GetValue(rhs). + 3. ReturnIfAbrupt(value). + 4. Let env be the running execution context's LexicalEnvironment. + 5. Return the result of performing BindingInitialization for BindingPattern + using value and env as the arguments. + + 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. +---*/ + +let { w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }; + +assert.sameValue(x, 7); +assert.sameValue(y, undefined); +assert.sameValue(z, undefined); + +assert.throws(ReferenceError, function() { + w; +}); + +reportCompare(0, 0); |