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// Copyright (C) 2019 Caio Lima. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Public class fields initialization calls [[DefineOwnProperty]]
esid: sec-define-field
info: |
DefineField(receiver, fieldRecord)
...
8. If fieldName is a Private Name,
a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
9. Else,
a. Assert: IsPropertyKey(fieldName) is true.
b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
10. Return.
includes: [compareArray.js]
features: [class, class-fields-public, Proxy]
---*/
let arr = [];
let expectedTarget = null;
function ProxyBase() {
expectedTarget = this;
return new Proxy(this, {
defineProperty: function (target, key, descriptor) {
arr.push(key);
arr.push(descriptor.value);
arr.push(target);
assert.sameValue(descriptor.enumerable, true);
assert.sameValue(descriptor.configurable, true);
assert.sameValue(descriptor.writable, true);
return Reflect.defineProperty(target, key, descriptor);
}
});
}
class Test extends ProxyBase {
f = 3;
g = "Test262";
}
let t = new Test();
assert.sameValue(t.f, 3);
assert.sameValue(t.g, "Test262");
assert.compareArray(arr, ["f", 3, expectedTarget, "g", "Test262", expectedTarget]);
reportCompare(0, 0);