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.
38 lines
958 B
38 lines
958 B
4 years ago
|
if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
|
||
|
|
var B = require('../').Buffer
|
||
|
|
var test = require('tape')
|
||
|
|
|
||
|
|
test('modifying buffer created by .slice() modifies original memory', function (t) {
|
||
|
|
if (!B.TYPED_ARRAY_SUPPORT) return t.end()
|
||
|
|
|
||
|
|
var buf1 = new B(26)
|
||
|
|
for (var i = 0; i < 26; i++) {
|
||
|
|
buf1[i] = i + 97 // 97 is ASCII a
|
||
|
|
}
|
||
|
|
|
||
|
|
var buf2 = buf1.slice(0, 3)
|
||
|
|
t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
|
||
|
|
|
||
|
|
buf2[0] = '!'.charCodeAt(0)
|
||
|
|
t.equal(buf1.toString('ascii', 0, buf2.length), '!bc')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
test('modifying parent buffer modifies .slice() buffer\'s memory', function (t) {
|
||
|
|
if (!B.TYPED_ARRAY_SUPPORT) return t.end()
|
||
|
|
|
||
|
|
var buf1 = new B(26)
|
||
|
|
for (var i = 0; i < 26; i++) {
|
||
|
|
buf1[i] = i + 97 // 97 is ASCII a
|
||
|
|
}
|
||
|
|
|
||
|
|
var buf2 = buf1.slice(0, 3)
|
||
|
|
t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
|
||
|
|
|
||
|
|
buf1[0] = '!'.charCodeAt(0)
|
||
|
|
t.equal(buf2.toString('ascii', 0, buf2.length), '!bc')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|