tyler.durden
/
test262
mirror of https://github.com/tc39/test262.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Undefined private name access in computed property keys should throw TypeError (#2390) 

Refs: https://github.com/tc39/proposal-class-fields/pull/269
This commit is contained in:
Joyee Cheung 2019-10-09 02:39:15 +08:00 committed by Leo Balter
parent a898fe9826
commit 13882715c3
1 changed files with 11 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
test/language/statements/class/elements/private-field-is-visible-in-computed-properties.js
View File

@ -13,6 +13,8 @@ info: |
8. If ClassBodyopt is present, then
a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
ii. Let privateName be NewPrivateName(dn).
iii. Perform ! classPrivateEnvRec.InitializeBinding(dn, dn).
...
15. Set the running execution context's LexicalEnvironment to classScope.
16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
@ -22,35 +24,26 @@ info: |
i. Let field be the result of ClassElementEvaluation for e with arguments proto and false.
...
MemberExpression : MemberExpression . PrivateIdentifier
GetValue ( V )
...
5. Return MakePrivateReference(bv, fieldNameString).
5. If IsPropertyReference(V), then
...
b. If IsPrivateReference(V), then
i. Return ? PrivateFieldGet(GetReferencedName(V), base).
MakePrivateReference ( baseValue, privateIdentifier )
PrivateFieldGet ( P, O )
...
2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
3. Let privateName be GetValue(privateNameBinding).
...
GetValue (V)
...
6. Else,
a. Assert: base is an Environment Record.
b. Return ? base.GetBindingValue(GetReferencedName(V), IsStrictReference(V)).
GetBindingValue ( N, S )
...
3. If the binding for N in envRec is an uninitialized binding, throw a ReferenceError exception.
4. If entry is empty, throw a TypeError exception.
...
features: [class-fields-private, class-fields-public, class]
---*/
const self = this;
assert.throws(ReferenceError, function() {
assert.throws(TypeError, function() {
class C {
[self.#f] = 'Test262';
#f = 'foo';
}
}, 'access to a not defined private field in object should throw a ReferenceError');
}, 'access to a not defined private field in object should throw a TypeError');