diff options
Diffstat (limited to 'js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-stmt-eval-func-init.js')
-rw-r--r-- | js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-stmt-eval-func-init.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-stmt-eval-func-init.js b/js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-stmt-eval-func-init.js new file mode 100644 index 0000000000..30770f1d92 --- /dev/null +++ b/js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-stmt-eval-func-init.js @@ -0,0 +1,47 @@ +// This file was procedurally generated from the following sources: +// - src/annex-b-fns/eval-func-init.case +// - src/annex-b-fns/eval-func/direct-if-decl-else-stmt.template +/*--- +description: Variable binding is initialized to `undefined` in outer scope (IfStatement with a declaration in the first statement position in eval code) +esid: sec-functiondeclarations-in-ifstatement-statement-clauses +flags: [generated, noStrict] +info: | + The following rules for IfStatement augment those in 13.6: + + IfStatement[Yield, Return]: + if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return] + if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield] + if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield] + if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] + + + B.3.3.3 Changes to EvalDeclarationInstantiation + + [...] + a. If declaredFunctionOrVarNames does not contain F, then + i. If varEnvRec is a global Environment Record, then + [...] + ii. Else, + i. Let bindingExists be varEnvRec.HasBinding(F). + ii. If bindingExists is false, then + i. Perform ! varEnvRec.CreateMutableBinding(F, true). + ii. Perform ! varEnvRec.InitializeBinding(F, undefined). + [...] +---*/ +var init, changed; + +(function() { + eval( + 'init = f;\ + f = 123;\ + changed = f;if (true) function f() { } else ;' + ); +}()); + +assert.sameValue(init, undefined, 'binding is initialized to `undefined`'); +assert.sameValue(changed, 123, 'binding is mutable'); +assert.throws(ReferenceError, function() { + f; +}, 'global binding is not created'); + +reportCompare(0, 0); |