sdfsdfs

node_modules/buffer/test/node/test-buffer-iterator.js

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+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+var assert = require('assert');
+
+var buffer = Buffer.from([1, 2, 3, 4, 5]);
+var arr;
+var b;
+
+// buffers should be iterable
+
+arr = [];
+
+for (b of buffer)
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
+
+
+// buffer iterators should be iterable
+
+arr = [];
+
+for (b of buffer[Symbol.iterator]())
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
+
+
+// buffer#values() should return iterator for values
+
+arr = [];
+
+for (b of buffer.values())
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
+
+
+// buffer#keys() should return iterator for keys
+
+arr = [];
+
+for (b of buffer.keys())
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [0, 1, 2, 3, 4]);
+
+
+// buffer#entries() should return iterator for entries
+
+arr = [];
+
+for (b of buffer.entries())
+  arr.push(b);
+
+assert.deepStrictEqual(arr, [
+  [0, 1],
+  [1, 2],
+  [2, 3],
+  [3, 4],
+  [4, 5]
+]);
+