test: add test for fs.lchmod

PR-URL: #25439
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Masashi Hirano <shisama07@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: ZYSzys

test/parallel/test-fs-lchmod.js

@@ -0,0 +1,67 @@
+'use strict';
+
+constcommon=require('../common');
+constassert=require('assert');
+constutil=require('util');
+constfs=require('fs');
+const{ promises }=fs;
+constf=__filename;
+
+// This test ensures that input for lchmod is valid, testing for valid
+// inputs for path, mode and callback
+
+if(!common.isOSX){
+common.skip('lchmod is only available on macOS');
+}
+
+// Check callback
+assert.throws(()=>fs.lchmod(f),{code: 'ERR_INVALID_CALLBACK'});
+assert.throws(()=>fs.lchmod(),{code: 'ERR_INVALID_CALLBACK'});
+assert.throws(()=>fs.lchmod(f,{}),{code: 'ERR_INVALID_CALLBACK'});
+
+// Check path
+[false,1,{},[],null,undefined].forEach((i)=>{
+common.expectsError(
+()=>fs.lchmod(i,0o777,common.mustNotCall()),
+{
+code: 'ERR_INVALID_ARG_TYPE',
+type: TypeError
+}
+);
+common.expectsError(
+()=>fs.lchmodSync(i),
+{
+code: 'ERR_INVALID_ARG_TYPE',
+type: TypeError
+}
+);
+});
+
+// Check mode
+[false,null,undefined,{},[],'','123x'].forEach((input)=>{
+consterrObj={
+code: 'ERR_INVALID_ARG_VALUE',
+name: 'TypeError [ERR_INVALID_ARG_VALUE]',
+message: 'The argument \'mode\' must be a 32-bit unsigned integer or an '+
+`octal string. Received ${util.inspect(input)}`
+};
+
+promises.lchmod(f,input,()=>{})
+.then(common.mustNotCall())
+.catch(common.expectsError(errObj));
+assert.throws(()=>fs.lchmodSync(f,input),errObj);
+});
+
+[-1,2**32].forEach((input)=>{
+consterrObj={
+code: 'ERR_OUT_OF_RANGE',
+name: 'RangeError [ERR_OUT_OF_RANGE]',
+message: 'The value of "mode" is out of range. It must be >= 0 && < '+
+`4294967296. Received ${input}`
+};
+
+promises.lchmod(f,input,()=>{})
+.then(common.mustNotCall())
+.catch(common.expectsError(errObj));
+assert.throws(()=>fs.lchmodSync(f,input),errObj);
+});