diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary-init.js')
-rw-r--r-- | js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary-init.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary-init.js new file mode 100644 index 0000000000..4d452c8f29 --- /dev/null +++ b/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-ary-init.js @@ -0,0 +1,40 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary-init.case +// - src/dstr-binding/default/let-stmt.template +/*--- +description: Object binding pattern with "nested" array binding pattern 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 + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +let { w: [x, y, z] = [4, 5, 6] } = {}; + +assert.sameValue(x, 4); +assert.sameValue(y, 5); +assert.sameValue(z, 6); + +assert.throws(ReferenceError, function() { + w; +}); + +reportCompare(0, 0); |