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'use strict';
const common = require('../common');
const assert = require('assert');
const { Readable, Writable, Transform } = require('stream');
{
const stream = new Readable({
objectMode: true,
read: common.mustCall(() => {
stream.push(undefined);
stream.push(null);
})
});
stream.on('data', common.mustCall((chunk) => {
assert.strictEqual(chunk, undefined);
}));
}
{
const stream = new Writable({
objectMode: true,
write: common.mustCall((chunk) => {
assert.strictEqual(chunk, undefined);
})
});
stream.write(undefined);
}
{
const stream = new Transform({
objectMode: true,
transform: common.mustCall((chunk) => {
stream.push(chunk);
})
});
stream.on('data', common.mustCall((chunk) => {
assert.strictEqual(chunk, undefined);
}));
stream.write(undefined);
}
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