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// Copyright (C) 2017 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: static class fields forbid PropName 'constructor' (no early error -- PropName of ComputedPropertyName not forbidden value)
esid: sec-class-definitions-static-semantics-early-errors
features: [class, class-static-fields-public]
info: |
Static Semantics: PropName
...
ComputedPropertyName : [ AssignmentExpression ]
Return empty.
This test file tests the following early error is only valid for a matching PropName:
Static Semantics: Early Errors
ClassElement : static FieldDefinition;
It is a Syntax Error if PropName of FieldDefinition is "prototype" or "constructor".
-- IDK what is calling InitializeClassElements but I guess it's supposed to be called to
-- set the fields
InitializeClassElements(F, proto)
...
6. For each item element in order from elements,
a. If element.[[Kind]] is "field" and element.[[Placement]] is "static" or "prototype",
...
ii. Let receiver be F if element.[[Placement]] is "static", else let receiver be proto.
iii. Perform ? DefineClassElement(receiver, element).
-- DefineClassElement is probably DefineField in the class fields proposal
DefineField(receiver, fieldRecord)
...
8. If fieldName is a Private Name,
...
9. Else,
a. ...
b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
CreateDataPropertyOrThrow ( O, P, V )
...
3. Let success be ? CreateDataProperty(O, P, V).
4. If success is false, throw a TypeError exception.
...
CreateDataProperty ( O, P, V )
...
3. Let newDesc be the PropertyDescriptor { [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true,
[[Configurable]]: true }.
4. Return ? O.[[DefineOwnProperty]](P, newDesc).
includes: [propertyHelper.js]
---*/
var x = 'constructor';
class C1 {
static [x];
}
verifyProperty(C1, 'constructor', {
value: undefined,
configurable: true,
writable: true,
enumerable: true,
});
class C2 {
static [x] = 42;
}
verifyProperty(C2, 'constructor', {
value: 42,
configurable: true,
writable: true,
enumerable: true,
});
reportCompare(0, 0);
|
