Strict mode Failing
Expected no error, got SyntaxError: warning: the variable "s" was not declared in anonymous function " 9#"
Features:
- destructuring-binding
Expected no error, got SyntaxError: warning: the variable "s" was not declared in anonymous function " 9#"
// This file was procedurally generated from the following sources: // - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case // - src/dstr-binding/default/var-stmt.template /*--- description: Destructuring initializer is not evaluated when value is not `undefined` (`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 BindingElement : BindingPattern Initializeropt [...] 3. If Initializer is present and v is undefined, then [...] ---*/ var initCount = 0; function counter() { initCount += 1; } var { s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }; assert.sameValue(t, null); assert.sameValue(v, 0); assert.sameValue(x, false); assert.sameValue(z, ''); assert.sameValue(initCount, 0); assert.throws(ReferenceError, function() { s; }); assert.throws(ReferenceError, function() { u; }); assert.throws(ReferenceError, function() { w; }); assert.throws(ReferenceError, function() { y; });