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'use strict';
require('../common');
const { deepStrictEqual, throws } = require('assert');
const { runInNewContext } = require('vm');
const checkString = 'test';
const check = Buffer.from(checkString);
class MyString extends String {
constructor() {
super(checkString);
}
}
class MyPrimitive {
[Symbol.toPrimitive]() {
return checkString;
}
}
class MyBadPrimitive {
[Symbol.toPrimitive]() {
return 1;
}
}
deepStrictEqual(Buffer.from(new String(checkString)), check);
deepStrictEqual(Buffer.from(new MyString()), check);
deepStrictEqual(Buffer.from(new MyPrimitive()), check);
deepStrictEqual(
Buffer.from(runInNewContext('new String(checkString)', { checkString })),
check
);
[
[{}, 'object'],
[new Boolean(true), 'boolean'],
[{ valueOf() { return null; } }, 'object'],
[{ valueOf() { return undefined; } }, 'object'],
[{ valueOf: null }, 'object'],
[Object.create(null), 'object'],
[new Number(true), 'number'],
[new MyBadPrimitive(), 'number'],
[Symbol(), 'symbol'],
[5n, 'bigint'],
[(one, two, three) => {}, 'function'],
[undefined, 'undefined'],
[null, 'object']
].forEach(([input, actualType]) => {
const errObj = {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
message: 'The first argument must be one of type string, Buffer, ' +
'ArrayBuffer, Array, or Array-like Object. Received ' +
`type ${actualType}`
};
throws(() => Buffer.from(input), errObj);
throws(() => Buffer.from(input, 'hex'), errObj);
});
Buffer.allocUnsafe(10); // Should not throw.
Buffer.from('deadbeaf', 'hex'); // Should not throw.