78 lines
1.5 KiB
JavaScript
78 lines
1.5 KiB
JavaScript
// errorcheck
|
|
|
|
// Copyright 2009 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Test various correct and incorrect permutations of send-only,
|
|
// receive-only, and bidirectional channels.
|
|
|
|
"use strict";
|
|
|
|
const assert = require(`@nodeguy/assert`);
|
|
const Channel = require(`../../lib`);
|
|
|
|
it(`perm`, function() {
|
|
const c = Channel();
|
|
const cr = Channel().readOnly();
|
|
const cs = Channel().writeOnly();
|
|
|
|
const n = 0;
|
|
|
|
assert.throws(() => {
|
|
Channel.shift(n); // ERROR "receive from non-chan"
|
|
});
|
|
|
|
assert.throws(() => {
|
|
Channel.push(2, n); // ERROR "send to non-chan"
|
|
});
|
|
|
|
c.push(0); // ok
|
|
c.shift(); // ok
|
|
|
|
assert.throws(() => {
|
|
cr.push(0); // ERROR "send"
|
|
});
|
|
|
|
cr.shift(); // ok
|
|
|
|
cs.push(0); // ok
|
|
|
|
assert.throws(() => {
|
|
cs.shift(); // ERROR "receive"
|
|
});
|
|
|
|
Channel.select([
|
|
c.push(0), // ok
|
|
c.shift() // ok
|
|
]);
|
|
|
|
assert.throws(() => {
|
|
Channel.select([
|
|
cr.push(0) // ERROR "send"
|
|
]);
|
|
});
|
|
|
|
Channel.select([cr.shift()]); // ok
|
|
|
|
Channel.select([cs.push(0)]); // ok
|
|
|
|
assert.throws(() => {
|
|
Channel.select([cs.shift()]); // ERROR "receive"
|
|
});
|
|
|
|
assert.throws(() => {
|
|
cs.forEach(() => {}); // ERROR "receive"
|
|
});
|
|
|
|
c.close();
|
|
cs.close();
|
|
|
|
assert.throws(() => {
|
|
cr.close(); // ERROR "receive"
|
|
});
|
|
|
|
assert.throws(() => {
|
|
Channel.close(n); // ERROR "invalid operation.*non-chan type"
|
|
});
|
|
});
|