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'use strict';
const common = require('../common');
const assert = require('assert');
const stream = require('stream');
{
// Invoke end callback on failure.
const writable = new stream.Writable();
writable._write = (chunk, encoding, cb) => {
process.nextTick(cb, new Error('kaboom'));
};
writable.on('error', common.mustCall((err) => {
assert.strictEqual(err.message, 'kaboom');
}));
writable.write('asd');
writable.end(common.mustCall((err) => {
assert.strictEqual(err.message, 'kaboom');
}));
writable.end(common.mustCall((err) => {
assert.strictEqual(err.message, 'kaboom');
}));
}
{
// Don't invoke end callback twice
const writable = new stream.Writable();
writable._write = (chunk, encoding, cb) => {
process.nextTick(cb);
};
let called = false;
writable.end('asd', common.mustCall((err) => {
called = true;
assert.strictEqual(err, undefined);
}));
writable.on('error', common.mustCall((err) => {
assert.strictEqual(err.message, 'kaboom');
}));
writable.on('finish', common.mustCall(() => {
assert.strictEqual(called, true);
writable.emit('error', new Error('kaboom'));
}));
}
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