diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/variable/dstr/obj-ptrn-prop-obj-init.js')
-rw-r--r-- | js/src/tests/test262/language/statements/variable/dstr/obj-ptrn-prop-obj-init.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/variable/dstr/obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/variable/dstr/obj-ptrn-prop-obj-init.js new file mode 100644 index 0000000000..8ce671f1ee --- /dev/null +++ b/js/src/tests/test262/language/statements/variable/dstr/obj-ptrn-prop-obj-init.js @@ -0,0 +1,39 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-obj-init.case +// - src/dstr-binding/default/var-stmt.template +/*--- +description: Object binding pattern with "nested" object binding pattern using initializer (`var` statement) +esid: sec-variable-statement-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + VariableDeclaration : BindingPattern Initializer + + 1. Let rhs be the result of evaluating Initializer. + 2. Let rval be GetValue(rhs). + 3. ReturnIfAbrupt(rval). + 4. Return the result of performing BindingInitialization for + BindingPattern passing rval and undefined as 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. +---*/ + +var { w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }; + +assert.sameValue(x, 4); +assert.sameValue(y, 5); +assert.sameValue(z, 6); + +assert.throws(ReferenceError, function() { + w; +}); + +reportCompare(0, 0); |