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-rw-r--r--node_modules/buffer/test/slice.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/buffer/test/slice.js b/node_modules/buffer/test/slice.js
new file mode 100644
index 0000000..25c111c
--- /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()
+})