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| author | Yoshiya Hinosawa <stibium121@gmail.com> | 2023-02-21 00:35:04 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-02-20 16:35:04 +0100 |
| commit | 6915a9b7a701dde0e1078867961c9a91811c1850 (patch) | |
| tree | e6822f2b8400c7c7941d3cb9ace59842389b5bc9 /cli/tests/node_compat/test/parallel/test-event-emitter-prepend.js | |
| parent | a1cd2a5915c13f6a9b8eafa3807e143a02616bc1 (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-event-emitter-prepend.js')
| -rw-r--r-- | cli/tests/node_compat/test/parallel/test-event-emitter-prepend.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-event-emitter-prepend.js b/cli/tests/node_compat/test/parallel/test-event-emitter-prepend.js new file mode 100644 index 000000000..b06722742 --- /dev/null +++ b/cli/tests/node_compat/test/parallel/test-event-emitter-prepend.js @@ -0,0 +1,50 @@ +// 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 EventEmitter = require('events'); +const assert = require('assert'); + +const myEE = new EventEmitter(); +let m = 0; +// This one comes last. +myEE.on('foo', common.mustCall(() => assert.strictEqual(m, 2))); + +// This one comes second. +myEE.prependListener('foo', common.mustCall(() => assert.strictEqual(m++, 1))); + +// This one comes first. +myEE.prependOnceListener('foo', + common.mustCall(() => assert.strictEqual(m++, 0))); + +myEE.emit('foo'); + +// Test fallback if prependListener is undefined. +const stream = require('stream'); + +delete EventEmitter.prototype.prependListener; + +function Writable() { + this.writable = true; + stream.Stream.call(this); +} +Object.setPrototypeOf(Writable.prototype, stream.Stream.prototype); +Object.setPrototypeOf(Writable, stream.Stream); + +function Readable() { + this.readable = true; + stream.Stream.call(this); +} +Object.setPrototypeOf(Readable.prototype, stream.Stream.prototype); +Object.setPrototypeOf(Readable, stream.Stream); + +// FIXME(bartlomieju): +// const w = new Writable(); +// const r = new Readable(); +// r.pipe(w); |
