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test: add fs-assert-encoding's test
Check the error of `assertEncoding`.
Confirmed in every place being used.(a place where `getoptions` is used)
assetEncoding: https://github.com/nodejs/node/blob/521767c88605cb6481ea98f396924e55f9dd22f4/lib/internal/fs.js#L18
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hiroppy committed Jan 21, 2017
commit 1f6fd2f040324b7c18dbbcd0c95c3965dfe48d81
76 changes: 76 additions & 0 deletions test/parallel/test-fs-assert-encoding-error.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
'use strict';
require('../common');
const assert = require('assert');
const fs = require('fs');

const options = 'test';
const noop = () => {};
const unknownEncodingMessage = /^Error: Unknown encoding: test$/;

assert.throws(() => {
fs.readFile('path', options, noop);
}, unknownEncodingMessage);

assert.throws(() => {
fs.readFileSync('path', options);
}, unknownEncodingMessage);

assert.throws(() => {
fs.readdir('path', options, noop);
}, unknownEncodingMessage);

assert.throws(() => {
fs.readdirSync('path', options);
}, unknownEncodingMessage);

assert.throws(() => {
fs.readlink('path', options, noop);
}, unknownEncodingMessage);

assert.throws(() => {
fs.readlinkSync('path', options);
}, unknownEncodingMessage);

assert.throws(() => {
fs.writeFile('path', 'data', options, noop);
}, unknownEncodingMessage);

assert.throws(() => {
fs.writeFileSync('path', 'data', options);
}, unknownEncodingMessage);

assert.throws(() => {
fs.appendFile('path', 'data', options, noop);
}, unknownEncodingMessage);

assert.throws(() => {
fs.appendFileSync('path', 'data', options);
}, unknownEncodingMessage);

assert.throws(() => {
fs.watch('path', options, noop);
}, unknownEncodingMessage);

assert.throws(() => {
fs.realpath('path', options, noop);
}, unknownEncodingMessage);

assert.throws(() => {
fs.realpathSync('path', options);
}, unknownEncodingMessage);

assert.throws(() => {
fs.mkdtemp('path', options, noop);
}, unknownEncodingMessage);

assert.throws(() => {
fs.mkdtempSync('path', options);
}, unknownEncodingMessage);

assert.throws(() => {
fs.ReadStream('path', options);
}, unknownEncodingMessage);

assert.throws(() => {
fs.WriteStream('path', options);
}, unknownEncodingMessage);