mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.8 KiB
75 lines
2.8 KiB
12 years ago
|
// Copyright Joyent, Inc. and other Node contributors.
|
||
|
|
//
|
||
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
|
// copy of this software and associated documentation files (the
|
||
|
|
// "Software"), to deal in the Software without restriction, including
|
||
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
||
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
||
|
|
// persons to whom the Software is furnished to do so, subject to the
|
||
|
|
// following conditions:
|
||
|
|
//
|
||
|
|
// The above copyright notice and this permission notice shall be included
|
||
|
|
// in all copies or substantial portions of the Software.
|
||
|
|
//
|
||
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
||
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
||
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
||
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
||
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
|
||
|
|
var common = require('../common');
|
||
|
|
var assert = require('assert');
|
||
|
|
// minimum string size to overflow into external string space
|
||
|
|
var EXTERN_APEX = 0xFBEE9;
|
||
|
|
|
||
|
|
// manually controlled string for checking binary output
|
||
|
|
var ucs2_control = 'a\u0000';
|
||
|
|
var write_str = 'a';
|
||
|
|
|
||
|
|
|
||
|
|
// first do basic checks
|
||
|
|
var b = new Buffer(write_str, 'ucs2');
|
||
|
|
var c = b.toString('binary');
|
||
|
|
assert.equal(b[0], 0x61);
|
||
|
|
assert.equal(b[1], 0);
|
||
|
|
assert.equal(ucs2_control, c);
|
||
|
|
|
||
|
|
|
||
|
|
// grow the strings to proper length
|
||
|
|
while (write_str.length <= EXTERN_APEX) {
|
||
|
|
write_str += write_str;
|
||
|
|
ucs2_control += ucs2_control;
|
||
|
|
}
|
||
|
|
write_str += write_str.substr(0, EXTERN_APEX - write_str.length);
|
||
|
|
ucs2_control += ucs2_control.substr(0, EXTERN_APEX * 2 - ucs2_control.length);
|
||
|
|
|
||
|
|
|
||
|
|
// check resultant buffer and output string
|
||
|
|
var b = new Buffer(write_str, 'ucs2');
|
||
|
|
// check fist Buffer created from write string
|
||
|
|
for (var i = 0; i < b.length; i += 2) {
|
||
|
|
assert.equal(b[i], 0x61);
|
||
|
|
assert.equal(b[i + 1], 0);
|
||
|
|
}
|
||
|
|
// create another string to create an external string
|
||
|
|
var b_bin = b.toString('binary');
|
||
|
|
var b_ucs = b.toString('ucs2');
|
||
|
|
// check control against external binary string
|
||
|
|
assert.equal(ucs2_control, b_bin);
|
||
|
|
// create buffer copy from external
|
||
|
|
var c_bin = new Buffer(b_bin, 'binary');
|
||
|
|
var c_ucs = new Buffer(b_ucs, 'ucs2');
|
||
|
|
// make sure they're the same length
|
||
|
|
assert.equal(c_bin.length, c_ucs.length);
|
||
|
|
// make sure Buffers from externals are the same
|
||
|
|
for (var i = 0; i < c_bin.length; i++) {
|
||
|
|
assert.equal(c_bin[i], c_ucs[i], c_bin[i] + ' == ' + c_ucs[i] +
|
||
|
|
' : index ' + i);
|
||
|
|
}
|
||
|
|
// check resultant strings
|
||
|
|
assert.equal(c_bin.toString('ucs2'), c_ucs.toString('ucs2'));
|
||
|
|
assert.equal(c_bin.toString('binary'), ucs2_control);
|
||
|
|
assert.equal(c_ucs.toString('binary'), ucs2_control);
|