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denoland-deno/cli/tests/node_compat/test/parallel/test-buffer-slow.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

69 lines
2.1 KiB
JavaScript

// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
require('../common');
const assert = require('assert');
const buffer = require('buffer');
const SlowBuffer = buffer.SlowBuffer;
const ones = [1, 1, 1, 1];
// Should create a Buffer
let sb = SlowBuffer(4);
assert(sb instanceof Buffer);
assert.strictEqual(sb.length, 4);
sb.fill(1);
for (const [key, value] of sb.entries()) {
assert.deepStrictEqual(value, ones[key]);
}
// underlying ArrayBuffer should have the same length
assert.strictEqual(sb.buffer.byteLength, 4);
// Should work without new
sb = SlowBuffer(4);
assert(sb instanceof Buffer);
assert.strictEqual(sb.length, 4);
sb.fill(1);
for (const [key, value] of sb.entries()) {
assert.deepStrictEqual(value, ones[key]);
}
// Should work with edge cases
assert.strictEqual(SlowBuffer(0).length, 0);
try {
assert.strictEqual(
SlowBuffer(buffer.kMaxLength).length, buffer.kMaxLength);
} catch (e) {
// Don't match on message as it is from the JavaScript engine. V8 and
// ChakraCore provide different messages.
assert.strictEqual(e.name, 'RangeError');
}
// Should throw with invalid length type
const bufferInvalidTypeMsg = {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
message: /^The "size" argument must be of type number/,
};
assert.throws(() => SlowBuffer(), bufferInvalidTypeMsg);
assert.throws(() => SlowBuffer({}), bufferInvalidTypeMsg);
assert.throws(() => SlowBuffer('6'), bufferInvalidTypeMsg);
assert.throws(() => SlowBuffer(true), bufferInvalidTypeMsg);
// Should throw with invalid length value
const bufferMaxSizeMsg = {
code: 'ERR_INVALID_ARG_VALUE',
name: 'RangeError',
message: /^The argument 'size' is invalid\. Received [^"]*$/
};
assert.throws(() => SlowBuffer(NaN), bufferMaxSizeMsg);
assert.throws(() => SlowBuffer(Infinity), bufferMaxSizeMsg);
assert.throws(() => SlowBuffer(-1), bufferMaxSizeMsg);
assert.throws(() => SlowBuffer(buffer.kMaxLength + 1), bufferMaxSizeMsg);