diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/class/elements/private-field-after-optional-chain.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/elements/private-field-after-optional-chain.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-after-optional-chain.js b/js/src/tests/test262/language/statements/class/elements/private-field-after-optional-chain.js new file mode 100644 index 0000000000..9ed4c44f1b --- /dev/null +++ b/js/src/tests/test262/language/statements/class/elements/private-field-after-optional-chain.js @@ -0,0 +1,46 @@ +// This file was procedurally generated from the following sources: +// - src/class-elements/private-field-after-optional-chain.case +// - src/class-elements/default/cls-decl.template +/*--- +description: OptionalChain.PrivateIdentifier is a valid syntax (field definitions in a class declaration) +esid: prod-FieldDefinition +features: [class-fields-private, optional-chaining, class] +flags: [generated] +info: | + Updated Productions + + OptionalChain[Yield, Await] : + `?.` `[` Expression[+In, ?Yield, ?Await] `]` + `?.` IdentifierName + `?.` Arguments[?Yield, ?Await] + `?.` TemplateLiteral[?Yield, ?Await, +Tagged] + OptionalChain[?Yield, ?Await] `[` Expression[+In, ?Yield, ?Await] `]` + OptionalChain[?Yield, ?Await] `.` IdentifierName + OptionalChain[?Yield, ?Await] Arguments[?Yield, ?Await] + OptionalChain[?Yield, ?Await] TemplateLiteral[?Yield, ?Await, +Tagged] + OptionalChain[?Yield, ?Await] `.` PrivateIdentifier + +---*/ + + +class C { + #f = 'Test262'; + + method(o) { + return o?.c.#f; + } +} + +let c = new C(); +let o = {c: c}; +assert.sameValue(c.method(o), 'Test262'); + +assert.sameValue(c.method(null), undefined); +assert.sameValue(c.method(undefined), undefined); + +o = {c: new Object()}; +assert.throws(TypeError, function() { + c.method(o); +}, 'accessed private field from an ordinary object'); + +reportCompare(0, 0); |