nodejs
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‎lib/buffer.js‎
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+2-2Lines changed: 2 additions & 2 deletions b/Collapse file
‎lib/buffer.js‎
Copy file name to clipboardExpand all lines: lib/buffer.js
+2-2Lines changed: 2 additions & 2 deletions
diff --git a/Collapse file
‎test/parallel/test-buffer-slow.js‎
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+55Lines changed: 55 additions & 0 deletions b/Collapse file
‎test/parallel/test-buffer-slow.js‎
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+55Lines changed: 55 additions & 0 deletions
@@ -58,9 +58,9 @@ createPool();
 
 
 function SlowBuffer(length) {
-  if (length < 0)
+  if (+length != length)
     length = 0;
-  return binding.create(length);
+  return binding.create(+length);
 };
 
 SlowBuffer.prototype.__proto__ = Buffer.prototype;
 
@@ -0,0 +1,55 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+const buffer = require('buffer');
+const Buffer = buffer.Buffer;
+const SlowBuffer = buffer.SlowBuffer;
+
+const ones = [1, 1, 1, 1];
+
+// should create a Buffer
+let sb = new SlowBuffer(4);
+assert(sb instanceof Buffer);
+assert.strictEqual(sb.length, 4);
+sb.fill(1);
+assert.deepEqual(sb, ones);
+
+// underlying ArrayBuffer should have the same length
+assert.strictEqual(sb.buffer.byteLength, 4);
+
+// should work without new
+sb = SlowBuffer(4);
+assert(sb instanceof Buffer);
+assert.strictEqual(sb.length, 4);
+sb.fill(1);
+assert.deepEqual(sb, ones);
+
+// should work with edge cases
+assert.strictEqual(SlowBuffer(0).length, 0);
+try {
+  assert.strictEqual(SlowBuffer(buffer.kMaxLength).length, buffer.kMaxLength);
+} catch (e) {
+  assert.equal(e.message, 'Buffer allocation failed - process out of memory');
+}
+
+// should work with number-coercible values
+assert.strictEqual(SlowBuffer('6').length, 6);
+assert.strictEqual(SlowBuffer(true).length, 1);
+
+// should create zero-length buffer if parameter is not a number
+assert.strictEqual(SlowBuffer().length, 0);
+assert.strictEqual(SlowBuffer(NaN).length, 0);
+assert.strictEqual(SlowBuffer({}).length, 0);
+assert.strictEqual(SlowBuffer('string').length, 0);
+
+// should throw with invalid length
+assert.throws(function() {
+  new SlowBuffer(Infinity);
+}, 'invalid Buffer length');
+assert.throws(function() {
+  new SlowBuffer(-1);
+}, 'invalid Buffer length');
+assert.throws(function() {
+  new SlowBuffer(buffer.kMaxLength + 1);
+}, 'invalid Buffer length');