summaryrefslogtreecommitdiff
path: root/cli/tests/node_compat/test/parallel/test-buffer-arraybuffer.js
diff options
context:
space:
mode:
authorYoshiya Hinosawa <stibium121@gmail.com>2023-02-21 00:35:04 +0900
committerGitHub <noreply@github.com>2023-02-20 16:35:04 +0100
commit6915a9b7a701dde0e1078867961c9a91811c1850 (patch)
treee6822f2b8400c7c7941d3cb9ace59842389b5bc9 /cli/tests/node_compat/test/parallel/test-buffer-arraybuffer.js
parenta1cd2a5915c13f6a9b8eafa3807e143a02616bc1 (diff)
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.
Diffstat (limited to 'cli/tests/node_compat/test/parallel/test-buffer-arraybuffer.js')
-rw-r--r--cli/tests/node_compat/test/parallel/test-buffer-arraybuffer.js162
1 files changed, 162 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-buffer-arraybuffer.js b/cli/tests/node_compat/test/parallel/test-buffer-arraybuffer.js
new file mode 100644
index 000000000..9f515736e
--- /dev/null
+++ b/cli/tests/node_compat/test/parallel/test-buffer-arraybuffer.js
@@ -0,0 +1,162 @@
+// 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';
+
+require('../common');
+const assert = require('assert');
+
+const LENGTH = 16;
+
+const ab = new ArrayBuffer(LENGTH);
+const dv = new DataView(ab);
+const ui = new Uint8Array(ab);
+const buf = Buffer.from(ab);
+
+
+assert.ok(buf instanceof Buffer);
+assert.strictEqual(buf.parent, buf.buffer);
+assert.strictEqual(buf.buffer, ab);
+assert.strictEqual(buf.length, ab.byteLength);
+
+
+buf.fill(0xC);
+for (let i = 0; i < LENGTH; i++) {
+ assert.strictEqual(ui[i], 0xC);
+ ui[i] = 0xF;
+ assert.strictEqual(buf[i], 0xF);
+}
+
+buf.writeUInt32LE(0xF00, 0);
+buf.writeUInt32BE(0xB47, 4);
+buf.writeDoubleLE(3.1415, 8);
+
+assert.strictEqual(dv.getUint32(0, true), 0xF00);
+assert.strictEqual(dv.getUint32(4), 0xB47);
+assert.strictEqual(dv.getFloat64(8, true), 3.1415);
+
+
+// Now test protecting users from doing stupid things
+
+// TODO(Soremwar)
+// There is an inconsistency on feross implementation on how buffers are checked
+// Enable once it's sorted out
+// assert.throws(function() {
+// function AB() { }
+// Object.setPrototypeOf(AB, ArrayBuffer);
+// Object.setPrototypeOf(AB.prototype, ArrayBuffer.prototype);
+// Buffer.from(new AB());
+// }, {
+// 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. Received ' +
+// 'an instance of AB'
+// });
+
+// Test the byteOffset and length arguments
+{
+ const ab = new Uint8Array(5);
+ ab[0] = 1;
+ ab[1] = 2;
+ ab[2] = 3;
+ ab[3] = 4;
+ ab[4] = 5;
+ const buf = Buffer.from(ab.buffer, 1, 3);
+ assert.strictEqual(buf.length, 3);
+ assert.strictEqual(buf[0], 2);
+ assert.strictEqual(buf[1], 3);
+ assert.strictEqual(buf[2], 4);
+ buf[0] = 9;
+ assert.strictEqual(ab[1], 9);
+
+ assert.throws(() => Buffer.from(ab.buffer, 6), {
+ code: 'ERR_BUFFER_OUT_OF_BOUNDS',
+ name: 'RangeError',
+ message: '"offset" is outside of buffer bounds'
+ });
+ assert.throws(() => Buffer.from(ab.buffer, 3, 6), {
+ code: 'ERR_BUFFER_OUT_OF_BOUNDS',
+ name: 'RangeError',
+ message: '"length" is outside of buffer bounds'
+ });
+}
+
+// Test the deprecated Buffer() version also
+{
+ const ab = new Uint8Array(5);
+ ab[0] = 1;
+ ab[1] = 2;
+ ab[2] = 3;
+ ab[3] = 4;
+ ab[4] = 5;
+ const buf = Buffer(ab.buffer, 1, 3);
+ assert.strictEqual(buf.length, 3);
+ assert.strictEqual(buf[0], 2);
+ assert.strictEqual(buf[1], 3);
+ assert.strictEqual(buf[2], 4);
+ buf[0] = 9;
+ assert.strictEqual(ab[1], 9);
+
+ assert.throws(() => Buffer(ab.buffer, 6), {
+ code: 'ERR_BUFFER_OUT_OF_BOUNDS',
+ name: 'RangeError',
+ message: '"offset" is outside of buffer bounds'
+ });
+ assert.throws(() => Buffer(ab.buffer, 3, 6), {
+ code: 'ERR_BUFFER_OUT_OF_BOUNDS',
+ name: 'RangeError',
+ message: '"length" is outside of buffer bounds'
+ });
+}
+
+{
+ // If byteOffset is not numeric, it defaults to 0.
+ const ab = new ArrayBuffer(10);
+ const expected = Buffer.from(ab, 0);
+ assert.deepStrictEqual(Buffer.from(ab, 'fhqwhgads'), expected);
+ assert.deepStrictEqual(Buffer.from(ab, NaN), expected);
+ assert.deepStrictEqual(Buffer.from(ab, {}), expected);
+ assert.deepStrictEqual(Buffer.from(ab, []), expected);
+
+ // If byteOffset can be converted to a number, it will be.
+ assert.deepStrictEqual(Buffer.from(ab, [1]), Buffer.from(ab, 1));
+
+ // If byteOffset is Infinity, throw.
+ assert.throws(() => {
+ Buffer.from(ab, Infinity);
+ }, {
+ code: 'ERR_BUFFER_OUT_OF_BOUNDS',
+ name: 'RangeError',
+ message: '"offset" is outside of buffer bounds'
+ });
+}
+
+{
+ // If length is not numeric, it defaults to 0.
+ const ab = new ArrayBuffer(10);
+ const expected = Buffer.from(ab, 0, 0);
+ assert.deepStrictEqual(Buffer.from(ab, 0, 'fhqwhgads'), expected);
+ assert.deepStrictEqual(Buffer.from(ab, 0, NaN), expected);
+ assert.deepStrictEqual(Buffer.from(ab, 0, {}), expected);
+ assert.deepStrictEqual(Buffer.from(ab, 0, []), expected);
+
+ // If length can be converted to a number, it will be.
+ assert.deepStrictEqual(Buffer.from(ab, 0, [1]), Buffer.from(ab, 0, 1));
+
+ // If length is Infinity, throw.
+ assert.throws(() => {
+ Buffer.from(ab, 0, Infinity);
+ }, {
+ code: 'ERR_BUFFER_OUT_OF_BOUNDS',
+ name: 'RangeError',
+ message: '"length" is outside of buffer bounds'
+ });
+}
+
+// Test an array like entry with the length set to NaN.
+assert.deepStrictEqual(Buffer.from({ length: NaN }), Buffer.alloc(0));