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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);
const err = new RegExp('^TypeError: First argument must be a string, Buffer, ' +
'ArrayBuffer, Array, or array-like object\\.$');
[
{},
new Boolean(true),
{ valueOf() { return null; } },
{ valueOf() { return undefined; } },
{ valueOf: null },
Object.create(null)
].forEach((input) => {
throws(() => Buffer.from(input), err);
});
[
new Number(true),
new MyBadPrimitive()
].forEach((input) => {
throws(() => Buffer.from(input),
/^TypeError: "value" argument must not be a number$/);
});
|
