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