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'use strict';
const common = require('../common');
const { Duplex } = require('stream');
const assert = require('assert');
{
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {}
});
duplex.resume();
duplex.on('end', common.mustNotCall());
duplex.on('finish', common.mustNotCall());
duplex.on('close', common.mustCall());
duplex.destroy();
assert.strictEqual(duplex.destroyed, true);
}
{
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {}
});
duplex.resume();
const expected = new Error('kaboom');
duplex.on('end', common.mustNotCall());
duplex.on('finish', common.mustNotCall());
duplex.on('error', common.mustCall((err) => {
assert.strictEqual(err, expected);
}));
duplex.destroy(expected);
assert.strictEqual(duplex.destroyed, true);
}
{
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {}
});
duplex._destroy = common.mustCall(function(err, cb) {
assert.strictEqual(err, expected);
cb(err);
});
const expected = new Error('kaboom');
duplex.on('finish', common.mustNotCall('no finish event'));
duplex.on('error', common.mustCall((err) => {
assert.strictEqual(err, expected);
}));
duplex.destroy(expected);
assert.strictEqual(duplex.destroyed, true);
}
{
const expected = new Error('kaboom');
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {},
destroy: common.mustCall(function(err, cb) {
assert.strictEqual(err, expected);
cb();
})
});
duplex.resume();
duplex.on('end', common.mustNotCall('no end event'));
duplex.on('finish', common.mustNotCall('no finish event'));
// Error is swallowed by the custom _destroy
duplex.on('error', common.mustNotCall('no error event'));
duplex.on('close', common.mustCall());
duplex.destroy(expected);
assert.strictEqual(duplex.destroyed, true);
}
{
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {}
});
duplex._destroy = common.mustCall(function(err, cb) {
assert.strictEqual(err, null);
cb();
});
duplex.destroy();
assert.strictEqual(duplex.destroyed, true);
}
{
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {}
});
duplex.resume();
duplex._destroy = common.mustCall(function(err, cb) {
assert.strictEqual(err, null);
process.nextTick(() => {
this.push(null);
this.end();
cb();
});
});
const fail = common.mustNotCall('no finish or end event');
duplex.on('finish', fail);
duplex.on('end', fail);
duplex.destroy();
duplex.removeListener('end', fail);
duplex.removeListener('finish', fail);
duplex.on('end', common.mustCall());
duplex.on('finish', common.mustCall());
assert.strictEqual(duplex.destroyed, true);
}
{
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {}
});
const expected = new Error('kaboom');
duplex._destroy = common.mustCall(function(err, cb) {
assert.strictEqual(err, null);
cb(expected);
});
duplex.on('finish', common.mustNotCall('no finish event'));
duplex.on('end', common.mustNotCall('no end event'));
duplex.on('error', common.mustCall((err) => {
assert.strictEqual(err, expected);
}));
duplex.destroy();
assert.strictEqual(duplex.destroyed, true);
}
{
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {},
allowHalfOpen: true
});
duplex.resume();
duplex.on('finish', common.mustNotCall());
duplex.on('end', common.mustNotCall());
duplex.destroy();
assert.strictEqual(duplex.destroyed, true);
}
{
const duplex = new Duplex({
write(chunk, enc, cb) { cb(); },
read() {},
});
duplex.destroyed = true;
assert.strictEqual(duplex.destroyed, true);
// The internal destroy() mechanism should not be triggered
duplex.on('finish', common.mustNotCall());
duplex.on('end', common.mustNotCall());
duplex.destroy();
}
{
function MyDuplex() {
assert.strictEqual(this.destroyed, false);
this.destroyed = false;
Duplex.call(this);
}
Object.setPrototypeOf(MyDuplex.prototype, Duplex.prototype);
Object.setPrototypeOf(MyDuplex, Duplex);
new MyDuplex();
}
|
