test: improve test-fs-write-stream-throw-type
* validate the errors for all assert.throws * use arrow functions PR-URL: https://github.com/nodejs/node/pull/10779 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
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@ -4,32 +4,44 @@ const assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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const numberError = new RegExp('^TypeError: "options" must be a string ' +
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'or an object, got number instead.$');
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const booleanError = new RegExp('^TypeError: "options" must be a string ' +
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'or an object, got boolean instead.$');
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const example = path.join(common.tmpDir, 'dummy');
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common.refreshTmpDir();
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assert.doesNotThrow(function() {
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assert.doesNotThrow(() => {
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fs.createWriteStream(example, undefined);
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});
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assert.doesNotThrow(function() {
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assert.doesNotThrow(() => {
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fs.createWriteStream(example, null);
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});
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assert.doesNotThrow(function() {
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assert.doesNotThrow(() => {
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fs.createWriteStream(example, 'utf8');
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});
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assert.doesNotThrow(function() {
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assert.doesNotThrow(() => {
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fs.createWriteStream(example, {encoding: 'utf8'});
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});
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assert.throws(function() {
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assert.throws(() => {
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fs.createWriteStream(example, 123);
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}, /"options" must be a string or an object/);
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assert.throws(function() {
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}, numberError);
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assert.throws(() => {
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fs.createWriteStream(example, 0);
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}, /"options" must be a string or an object/);
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assert.throws(function() {
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}, numberError);
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assert.throws(() => {
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fs.createWriteStream(example, true);
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}, /"options" must be a string or an object/);
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assert.throws(function() {
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}, booleanError);
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assert.throws(() => {
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fs.createWriteStream(example, false);
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}, /"options" must be a string or an object/);
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}, booleanError);
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