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test_object_define_property_generic_descriptor.cjs
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test_object_define_property_generic_descriptor.cjs
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const assert = require('node:assert');
class AccessorHolder {
constructor() {
this.value = 'nodebuffer';
}
get binaryType() {
return this.value;
}
set binaryType(value) {
this.value = value;
}
}
Object.defineProperty(AccessorHolder.prototype, 'binaryType', { enumerable: true });
const descriptor = Object.getOwnPropertyDescriptor(AccessorHolder.prototype, 'binaryType');
assert.strictEqual(typeof descriptor.get, 'function');
assert.strictEqual(typeof descriptor.set, 'function');
assert.strictEqual(descriptor.enumerable, true);
const holder = new AccessorHolder();
holder.binaryType = 'arraybuffer';
assert.strictEqual(holder.binaryType, 'arraybuffer');
const sym = Symbol('generic-symbol-descriptor');
const obj = {};
Object.defineProperty(obj, sym, { value: 1, configurable: true });
Object.defineProperty(obj, sym, { enumerable: true });
const symDescriptor = Object.getOwnPropertyDescriptor(obj, sym);
assert.strictEqual(symDescriptor.value, 1);
assert.strictEqual(symDescriptor.enumerable, true);
assert.strictEqual(symDescriptor.configurable, true);
assert.strictEqual(symDescriptor.writable, false);
const locked = {};
Object.defineProperty(locked, 'x', { value: 1, configurable: false });
const lockedSym = Symbol('locked');
Object.defineProperty(locked, lockedSym, { value: 1, configurable: false });
function assertThrowsTypeError(fn) {
try {
fn();
} catch (error) {
assert.strictEqual(error instanceof TypeError, true);
return;
}
assert.fail('expected TypeError');
}
assertThrowsTypeError(() => Object.defineProperty(locked, 'x', { configurable: true }));
assertThrowsTypeError(() => Object.defineProperty(locked, lockedSym, { configurable: true }));
console.log('object-define-property-generic-descriptor:ok');

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