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denoland-deno/tests/node_compat/test/parallel/test-stream-transform-hwm0.js
Yoshiya Hinosawa fb24fd37c9
test: add node compat test cases (#27134)
This PR enables node compat test cases found passing by using the tool
added in #27122

The percentage of passing test case increases from 16.16% to 30.43% by
this change.
2024-12-04 11:37:20 +09:00

35 lines
961 B
JavaScript

// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 20.11.1
// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
'use strict';
const common = require('../common');
const assert = require('assert');
const { Transform } = require('stream');
const t = new Transform({
objectMode: true, highWaterMark: 0,
transform(chunk, enc, callback) {
process.nextTick(() => callback(null, chunk, enc));
}
});
assert.strictEqual(t.write(1), false);
t.on('drain', common.mustCall(() => {
assert.strictEqual(t.write(2), false);
t.end();
}));
t.once('readable', common.mustCall(() => {
assert.strictEqual(t.read(), 1);
setImmediate(common.mustCall(() => {
assert.strictEqual(t.read(), null);
t.once('readable', common.mustCall(() => {
assert.strictEqual(t.read(), 2);
}));
}));
}));