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test-child-process-spawn-typeerror.js
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test-child-process-spawn-typeerror.js
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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
var assert = require('assert');
var child_process = require('child_process');
var spawn = child_process.spawn;
var fork = child_process.fork;
var execFile = child_process.execFile;
var cmd = (process.platform === 'win32') ? 'rundll32' : 'ls';
var empty = require('../common').fixturesDir + '/empty.js';
// Argument types for combinatorics
var a=[], o={}, c=(function callback(){}), s='string', u=undefined, n=null;
// function spawn(file=f [,args=a] [, options=o]) has valid combinations:
// (f)
// (f, a)
// (f, a, o)
// (f, o)
assert.doesNotThrow(function() { spawn(cmd); });
assert.doesNotThrow(function() { spawn(cmd, a); });
assert.doesNotThrow(function() { spawn(cmd, a, o); });
assert.doesNotThrow(function() { spawn(cmd, o); });
// Variants of undefined as explicit 'no argument' at a position
assert.doesNotThrow(function() { execFile(empty, u, o); });
assert.doesNotThrow(function() { execFile(empty, a, u); });
assert.doesNotThrow(function() { execFile(empty, n, o); });
assert.doesNotThrow(function() { execFile(empty, a, n); });
assert.throws(function() { spawn(cmd, s); }, TypeError);
assert.doesNotThrow(function() { spawn(cmd, a, s); }, TypeError);
// verify that execFile has same argument parsing behaviour as spawn
//
// function execFile(file=f [,args=a] [, options=o] [, callback=c]) has valid
// combinations:
// (f)
// (f, a)
// (f, a, o)
// (f, a, o, c)
// (f, a, c)
// (f, o)
// (f, o, c)
// (f, c)
assert.doesNotThrow(function() { execFile(cmd); });
assert.doesNotThrow(function() { execFile(cmd, a); });
assert.doesNotThrow(function() { execFile(cmd, a, o); });
assert.doesNotThrow(function() { execFile(cmd, a, o, c); });
assert.doesNotThrow(function() { execFile(cmd, a, c); });
assert.doesNotThrow(function() { execFile(cmd, o); });
assert.doesNotThrow(function() { execFile(cmd, o, c); });
assert.doesNotThrow(function() { execFile(cmd, c); });
// Variants of undefined as explicit 'no argument' at a position
assert.doesNotThrow(function() { execFile(cmd, u, o, c); });
assert.doesNotThrow(function() { execFile(cmd, a, u, c); });
assert.doesNotThrow(function() { execFile(cmd, a, o, u); });
assert.doesNotThrow(function() { execFile(cmd, n, o, c); });
assert.doesNotThrow(function() { execFile(cmd, a, n, c); });
assert.doesNotThrow(function() { execFile(cmd, a, o, n); });
// string is invalid in arg position (this may seem strange, but is
// consistent across node API, cf. `net.createServer('not options', 'not
// callback')`
assert.throws(function() { execFile(cmd, s, o, c); }, TypeError);
assert.doesNotThrow(function() { execFile(cmd, a, s, c); });
assert.doesNotThrow(function() { execFile(cmd, a, o, s); });
// verify that fork has same argument parsing behaviour as spawn
//
// function fork(file=f [,args=a] [, options=o]) has valid combinations:
// (f)
// (f, a)
// (f, a, o)
// (f, o)
assert.doesNotThrow(function() { fork(empty); });
assert.doesNotThrow(function() { fork(empty, a); });
assert.doesNotThrow(function() { fork(empty, a, o); });
assert.doesNotThrow(function() { fork(empty, o); });
// Variants of undefined as explicit 'no argument' at a position
assert.doesNotThrow(function() { execFile(empty, u, o); });
assert.doesNotThrow(function() { execFile(empty, a, u); });
assert.doesNotThrow(function() { execFile(empty, n, o); });
assert.doesNotThrow(function() { execFile(empty, a, n); });
assert.throws(function() { fork(empty, s); }, TypeError);
assert.doesNotThrow(function() { fork(empty, a, s); }, TypeError);