test: update tests for iojs 3.0.0

Author: chungjussay

bin/download-node-tests.js

@@ -71,20 +71,26 @@ function testfixer (filename) {
       firstline = false
     }
 
-    // comment out require('common')
-    line = line.replace(/((var|const) common = require.*)/, 'var common = {};')
+    // use `var` instead of `const`/`let`
+    line = line.replace(/(const|let) /g, 'var ')
+
+    // make `require('common')` work
+    line = line.replace(/(var common = require.*)/g, 'var common = {};')
+
+    // use `Buffer.isBuffer` instead of `instanceof Buffer`
+    line = line.replace(/buf instanceof Buffer/g, 'Buffer.isBuffer(buf)')
 
     // require browser buffer
-    line = line.replace(/(.*)require\('buffer'\)(.*)/, '$1require(\'../../\')$2')
+    line = line.replace(/(.*)require\('buffer'\)(.*)/g, '$1require(\'../../\')$2')
 
     // smalloc is only used for kMaxLength
     line = line.replace(
-      /require\('smalloc'\)/,
+      /require\('smalloc'\)/g,
       '{ kMaxLength: process.env.OBJECT_IMPL ? 0x3fffffff : 0x7fffffff }'
     )
 
     // comment out console logs
-    line = line.replace(/(.*console\..*)/, '// $1')
+    line = line.replace(/(.*console\..*)/g, '// $1')
 
     // we can't reliably test typed array max-sizes in the browser
     if (filename === 'test-buffer-big.js') {

test/node/test-buffer-arraybuffer.js

@@ -0,0 +1,49 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+if (process.env.OBJECT_IMPL) Buffer.TYPED_ARRAY_SUPPORT = false;
+
+var common = {};
+var assert = require('assert');
+
+var Buffer = require('../../').Buffer;
+var LENGTH = 16;
+
+var ab = new ArrayBuffer(LENGTH);
+var dv = new DataView(ab);
+var ui = new Uint8Array(ab);
+var buf = new Buffer(ab);
+
+
+assert.ok(Buffer.isBuffer(buf));
+// For backwards compatibility of old .parent property test that if buf is not
+// a slice then .parent should be undefined.
+assert.equal(buf.parent, undefined);
+assert.equal(buf.buffer, ab);
+assert.equal(buf.length, ab.byteLength);
+
+
+buf.fill(0xC);
+for (var i = 0; i < LENGTH; i++) {
+  assert.equal(ui[i], 0xC);
+  ui[i] = 0xF;
+  assert.equal(buf[i], 0xF);
+}
+
+buf.writeUInt32LE(0xF00, 0);
+buf.writeUInt32BE(0xB47, 4);
+buf.writeDoubleLE(3.1415, 8);
+
+assert.equal(dv.getUint32(0, true), 0xF00);
+assert.equal(dv.getUint32(4), 0xB47);
+assert.equal(dv.getFloat64(8, true), 3.1415);
+
+
+// Now test protecting users from doing stupid things
+
+assert.throws(function() {
+  function AB() { }
+  AB.__proto__ = ArrayBuffer;
+  AB.prototype.__proto__ = ArrayBuffer.prototype;
+  new Buffer(new AB());
+}, TypeError);
+

test/node/test-buffer-big.js

@@ -16,9 +16,15 @@ var flatLongLen = Buffer.concat(long, 40);
 
 assert(flatZero.length === 0);
 assert(flatOne.toString() === 'asdf');
-assert(flatOne === one[0]);
+// A special case where concat used to return the first item,
+// if the length is one. This check is to make sure that we don't do that.
+assert(flatOne !== one[0]);
 assert(flatLong.toString() === (new Array(10 + 1).join('asdf')));
 assert(flatLongLen.toString() === (new Array(10 + 1).join('asdf')));
 
+assert.throws(function() {
+  Buffer.concat([42]);
+}, TypeError);
+
 // console.log('ok');
 

test/node/test-buffer-concat.js

@@ -6,7 +6,6 @@ var assert = require('assert');
 
 var Buffer = require('../../').Buffer;
 var SlowBuffer = require('../../').SlowBuffer;
-var smalloc = { kMaxLength: process.env.OBJECT_IMPL ? 0x3fffffff : 0x7fffffff };
 
 // counter to ensure unique value is always copied
 var cntr = 0;
@@ -331,8 +330,6 @@ assert.equal(b.parent, d.parent);
 var b = new SlowBuffer(5);
 var c = b.slice(0, 4);
 var d = c.slice(0, 2);
-assert.equal(b, c.parent);
-assert.equal(b, d.parent);
 
 
 // Bug regression test
@@ -804,7 +801,9 @@ assert.equal(buf[4], 0);
 
 // Check for fractional length args, junk length args, etc.
 // https://github.com/joyent/node/issues/1758
-Buffer(3.3).toString(); // throws bad argument error in commit 43cb4ec
+
+// Call .fill() first, stops valgrind warning about uninitialized memory reads.
+Buffer(3.3).fill().toString(); // throws bad argument error in commit 43cb4ec
 assert.equal(Buffer(-1).length, 0);
 assert.equal(Buffer(NaN).length, 0);
 assert.equal(Buffer(3.3).length, 3);
@@ -1075,10 +1074,6 @@ assert.equal(buf.readInt8(0), -1);
   // try to slice a zero length Buffer
   // see https://github.com/joyent/node/issues/5881
   SlowBuffer(0).slice(0, 1);
-  // make sure a zero length slice doesn't set the .parent attribute
-  assert.equal(Buffer(5).slice(0, 0).parent, undefined);
-  // and make sure a proper slice does have a parent
-  assert.ok(typeof Buffer(5).slice(0, 5).parent === 'object');
 })();
 
 // Regression test for #5482: should throw but not assert in C++ land.
@@ -1105,11 +1100,11 @@ assert.throws(function() {
 
 
 assert.throws(function() {
-  new Buffer(smalloc.kMaxLength + 1);
+  new Buffer((-1 >>> 0) + 1);
 }, RangeError);
 
 assert.throws(function() {
-  new SlowBuffer(smalloc.kMaxLength + 1);
+  new SlowBuffer((-1 >>> 0) + 1);
 }, RangeError);
 
 if (common.hasCrypto) {
@@ -1189,3 +1184,11 @@ assert.throws(function() {
   Buffer(10).copy();
 });
 
+assert.throws(function() {
+  new Buffer();
+}, /must start with number, buffer, array or string/);
+
+assert.throws(function() {
+  new Buffer(null);
+}, /must start with number, buffer, array or string/);
+