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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-decl-b-eval-func-skip-early-err.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-decl-b-eval-func-skip-early-err.js b/js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-decl-b-eval-func-skip-early-err.js new file mode 100644 index 0000000000..96807f992e --- /dev/null +++ b/js/src/tests/test262/annexB/language/eval-code/direct/func-if-decl-else-decl-b-eval-func-skip-early-err.js @@ -0,0 +1,38 @@ +// This file was procedurally generated from the following sources: +// - src/annex-b-fns/eval-func-skip-early-err.case +// - src/annex-b-fns/eval-func/direct-if-decl-else-decl-b.template +/*--- +description: Extension not observed when creation of variable binding would produce an early error (IfStatement with a declaration in both statement positions 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 + + [...] + ii. If replacing the FunctionDeclaration f with a VariableStatement that + has F as a BindingIdentifier would not produce any Early Errors for + body, then + [...] +---*/ +var init, after; + +(function() { + eval( + 'let f = 123;\ + init = f;if (false) function _f() {} else function f() { }after = f;' + ); +}()); + +assert.sameValue(init, 123, 'binding is not initialized to `undefined`'); +assert.sameValue(after, 123, 'value is not updated following evaluation'); + +reportCompare(0, 0); |