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denoland-deno/cli/tests/node_compat/test/parallel/test-buffer-from.js
Yoshiya Hinosawa 6915a9b7a7
test(ext/node): more node compat tests (#17827)
This PR adds the remaining ~650 Node.js compat test cases from std/node.

Among these 650 cases, about 130 cases are now failing. These failing
cases are prefixed with `TODO:` in `tests/node_compat/config.json`.
These will be addressed in later PRs.
2023-02-20 16:35:04 +01:00

74 lines
1.8 KiB
JavaScript

// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 16.13.0
// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
const common = 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);
// TODO(Soremwar)
// Enable once again when vm works correctly
// deepStrictEqual(
// Buffer.from(runInNewContext('new String(checkString)', { checkString })),
// check
// );
[
{},
new Boolean(true),
{ valueOf() { return null; } },
{ valueOf() { return undefined; } },
{ valueOf: null },
Object.create(null),
new Number(true),
new MyBadPrimitive(),
Symbol(),
5n,
(one, two, three) => {},
undefined,
null,
].forEach((input) => {
const errObj = {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
message: 'The first argument must be of type string or an instance of ' +
'Buffer, ArrayBuffer, or Array or an Array-like Object.' +
common.invalidArgTypeHelper(input)
};
throws(() => Buffer.from(input), errObj);
throws(() => Buffer.from(input, 'hex'), errObj);
});
Buffer.allocUnsafe(10); // Should not throw.
Buffer.from('deadbeaf', 'hex'); // Should not throw.