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f29762f4dd
Enable linting for the test directory. A number of changes was made so all tests conform the current rules used by lib and src directories. The only exception for tests is that unreachable (dead) code is allowed. test-fs-non-number-arguments-throw had to be excluded from the changes because of a weird issue on Windows CI. PR-URL: https://github.com/nodejs/io.js/pull/1721 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
123 lines
3.9 KiB
JavaScript
123 lines
3.9 KiB
JavaScript
'use strict';
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var common = require('../common');
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var assert = require('assert');
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// minimum string size to overflow into external string space
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var EXTERN_APEX = 0xFBEE9;
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// manually controlled string for checking binary output
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var ucs2_control = 'a\u0000';
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var write_str = 'a';
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// first do basic checks
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var b = new Buffer(write_str, 'ucs2');
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var c = b.toString('binary');
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assert.equal(b[0], 0x61);
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assert.equal(b[1], 0);
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assert.equal(ucs2_control, c);
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// now create big strings
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var size = 1 + (1 << 20);
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write_str = Array(size).join(write_str);
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ucs2_control = Array(size).join(ucs2_control);
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// check resultant buffer and output string
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var b = new Buffer(write_str, 'ucs2');
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// check fist Buffer created from write string
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for (var i = 0; i < b.length; i += 2) {
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assert.equal(b[i], 0x61);
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assert.equal(b[i + 1], 0);
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}
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// create another string to create an external string
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var b_bin = b.toString('binary');
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var b_ucs = b.toString('ucs2');
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// check control against external binary string
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assert.equal(ucs2_control, b_bin);
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// create buffer copy from external
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var c_bin = new Buffer(b_bin, 'binary');
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var c_ucs = new Buffer(b_ucs, 'ucs2');
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// make sure they're the same length
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assert.equal(c_bin.length, c_ucs.length);
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// make sure Buffers from externals are the same
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for (var i = 0; i < c_bin.length; i++) {
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assert.equal(c_bin[i], c_ucs[i], c_bin[i] + ' == ' + c_ucs[i] +
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' : index ' + i);
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}
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// check resultant strings
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assert.equal(c_bin.toString('ucs2'), c_ucs.toString('ucs2'));
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assert.equal(c_bin.toString('binary'), ucs2_control);
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assert.equal(c_ucs.toString('binary'), ucs2_control);
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// now let's test BASE64 and HEX ecoding/decoding
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var RADIOS = 2;
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var PRE_HALF_APEX = Math.ceil(EXTERN_APEX / 2) - RADIOS;
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var PRE_3OF4_APEX = Math.ceil((EXTERN_APEX / 4) * 3) - RADIOS;
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(function() {
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for (var j = 0; j < RADIOS * 2; j += 1) {
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var datum = b;
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var slice = datum.slice(0, PRE_HALF_APEX + j);
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var slice2 = datum.slice(0, PRE_HALF_APEX + j + 2);
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var pumped_string = slice.toString('hex');
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var pumped_string2 = slice2.toString('hex');
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var decoded = new Buffer(pumped_string, 'hex');
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var metadata = '\nEXTERN_APEX=1031913 - pumped_string.length=';
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metadata += pumped_string.length + '\n';
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// the string are the same?
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for (var k = 0; k < pumped_string.length; ++k) {
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assert.equal(pumped_string[k], pumped_string2[k],
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metadata + 'chars should be the same at ' + k);
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}
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// the recoded buffer is the same?
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for (var i = 0; i < decoded.length; ++i) {
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assert.equal(datum[i], decoded[i],
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metadata + 'bytes should be the same at ' + i);
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}
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}
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})();
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(function() {
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for (var j = 0; j < RADIOS * 2; j += 1) {
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var datum = b;
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var slice = datum.slice(0, PRE_3OF4_APEX + j);
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var slice2 = datum.slice(0, PRE_3OF4_APEX + j + 2);
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var pumped_string = slice.toString('base64');
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var pumped_string2 = slice2.toString('base64');
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var decoded = new Buffer(pumped_string, 'base64');
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var metadata = '\nEXTERN_APEX=1031913 - data=" + slice.length';
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metadata += ' pumped_string.length=' + pumped_string.length + '\n';
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// the string are the same?
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for (var k = 0; k < pumped_string.length - 3; ++k) {
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assert.equal(pumped_string[k], pumped_string2[k],
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metadata + 'chars should be the same for two slices at '
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+ k + ' ' + pumped_string[k] + ' ' + pumped_string2[k]);
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}
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// the recoded buffer is the same?
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for (var i = 0; i < decoded.length; ++i) {
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assert.equal(datum[i], decoded[i],
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metadata + 'bytes should be the same at ' + i);
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}
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}
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})();
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// https://github.com/nodejs/io.js/issues/1024
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(function() {
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var a = Array(1 << 20).join('x');
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var b = Buffer(a, 'ucs2').toString('ucs2');
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var c = Buffer(b, 'utf8').toString('utf8');
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assert.equal(a.length, b.length);
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assert.equal(b.length, c.length);
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assert.equal(a, b);
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assert.equal(b, c);
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})();
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