From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Wed, 3 May 2017 15:35:00 +0200 Subject: node_modules --- node_modules/buffer/test/slice.js | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 node_modules/buffer/test/slice.js (limited to 'node_modules/buffer/test/slice.js') diff --git a/node_modules/buffer/test/slice.js b/node_modules/buffer/test/slice.js new file mode 100644 index 000000000..25c111c80 --- /dev/null +++ b/node_modules/buffer/test/slice.js @@ -0,0 +1,37 @@ +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() +}) -- cgit v1.2.3