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35 lines
1.2 KiB
35 lines
1.2 KiB
'use strict';
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const common = require('../common');
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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 tempFile = path.join(common.tmpDir, 'fs-non-number-arguments-throw');
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common.refreshTmpDir();
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fs.writeFileSync(tempFile, 'abc\ndef');
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// a sanity check when using numbers instead of strings
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const sanity = 'def';
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const saneEmitter = fs.createReadStream(tempFile, { start: 4, end: 6 });
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assert.throws(function() {
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fs.createReadStream(tempFile, { start: '4', end: 6 });
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}, /^TypeError: "start" option must be a Number$/,
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"start as string didn't throw an error for createReadStream");
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assert.throws(function() {
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fs.createReadStream(tempFile, { start: 4, end: '6' });
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}, /^TypeError: "end" option must be a Number$/,
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"end as string didn't throw an error for createReadStream");
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assert.throws(function() {
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fs.createWriteStream(tempFile, { start: '4' });
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}, /^TypeError: "start" option must be a Number$/,
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"start as string didn't throw an error for createWriteStream");
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saneEmitter.on('data', common.mustCall(function(data) {
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assert.strictEqual(
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sanity, data.toString('utf8'),
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`read ${data.toString('utf8')} instead of ${sanity}`);
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}));
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