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'use strict';
require('../common');
const assert = require('assert');
const stream = require('stream');
const util = require('util');
function MyWritable(options) {
stream.Writable.call(this, options);
}
util.inherits(MyWritable, stream.Writable);
MyWritable.prototype._write = function(chunk, encoding, callback) {
assert.notStrictEqual(chunk, null);
callback();
};
assert.throws(() => {
const m = new MyWritable({ objectMode: true });
m.write(null, (err) => assert.ok(err));
}, /^TypeError: May not write null values to stream$/);
assert.doesNotThrow(() => {
const m = new MyWritable({ objectMode: true }).on('error', (e) => {
assert.ok(e);
});
m.write(null, (err) => {
assert.ok(err);
});
});
assert.throws(() => {
const m = new MyWritable();
m.write(false, (err) => assert.ok(err));
}, /^TypeError: Invalid non-string\/buffer chunk$/);
assert.doesNotThrow(() => {
const m = new MyWritable().on('error', (e) => {
assert.ok(e);
});
m.write(false, (err) => {
assert.ok(err);
});
});
assert.doesNotThrow(() => {
const m = new MyWritable({ objectMode: true });
m.write(false, (err) => assert.ifError(err));
});
assert.doesNotThrow(() => {
const m = new MyWritable({ objectMode: true }).on('error', (e) => {
assert.ifError(e || new Error('should not get here'));
});
m.write(false, (err) => {
assert.ifError(err);
});
});
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