static-field-initializer-error.js (2166B)
1 // Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 description: Class evaluation is incomplete when initializer resutls in an abrupt completition 6 esid: sec-define-field 7 info: | 8 ClassDefinitionEvaluation: 9 ... 10 11 27. Let staticFields be a new empty List. 12 28. For each ClassElement e in order from elements, 13 a. If IsStatic of e is false, then 14 ... 15 b. Else, 16 i. Let field be the result of performing PropertyDefinitionEvaluation for m ClassElementEvaluation for e with arguments F and false. 17 c. If field is an abrupt completion, then 18 ... 19 d. If field is not empty, 20 i. If IsStatic of e is false, append field to instanceFields. 21 ii. Otherwise, append field to staticFields. 22 23 34. For each item fieldRecord in order from staticFields, 24 a. Perform ? DefineField(F, field). 25 ... 26 27 DefineField(receiver, fieldRecord) 28 1. Assert: Type(receiver) is Object. 29 2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation. 30 3. Let name be fieldRecord.[[Name]]. 31 4. Let initializer be fieldRecord.[[Initializer]]. 32 5. If initializer is not empty, then 33 a. Let initValue be ? Call(initializer, receiver). 34 6. Else, let initValue be undefined. 35 7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then 36 a. Let hasNameProperty be ? HasOwnProperty(initValue, "name"). 37 b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName). 38 8. If fieldName is a Private Name, 39 a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue). 40 9. Else, 41 a. Assert: IsPropertyKey(fieldName) is true. 42 b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue). 43 10. Return. 44 features: [class-static-fields-public, class] 45 ---*/ 46 47 function initThrows() { 48 throw new Test262Error(); 49 } 50 51 assert.throws(Test262Error, function() { 52 class C { 53 static f = initThrows(); 54 static g; 55 }; 56 57 assert(false, 'this should never execute'); 58 }, 'static field initializer should throw exception'); 59 60 reportCompare(0, 0);