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43 lines
768 B

/*
* Duktape Node.js Buffer virtual properties don't work in
* Object.defineProperty().
*/
/*---
{
"custom": true
}
---*/
/*===
object 8 testdata
100
TypeError
100
object 8 testdata
===*/
function test() {
var buf = new Buffer('testdata');
print(typeof buf, buf.length, String(buf));
print(buf[4]);
try {
Object.defineProperty(buf, '4', {
value: 68
});
} catch (e) {
// Duktape: TypeError: property is virtual
// Node.js: TypeError: Cannot redefine a property of an object with external array elements
print(e.name);
//print(e.stack || e);
}
print(buf[4]);
print(typeof buf, buf.length, String(buf));
}
try {
test();
} catch (e) {
print(e.stack || e);
}