From 40c98a977b2d4912e9f167257553063d6dd21272 Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Wed, 21 Dec 2011 13:55:05 -0800
Subject: [PATCH] Add shared-buffer isolate addon test

---
 test/addons/shared-buffer/binding.cc  | 55 +++++++++++++++++++++++++++
 test/addons/shared-buffer/binding.gyp |  8 ++++
 test/addons/shared-buffer/test.js     | 18 +++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 test/addons/shared-buffer/binding.cc
 create mode 100644 test/addons/shared-buffer/binding.gyp
 create mode 100644 test/addons/shared-buffer/test.js

diff --git a/test/addons/shared-buffer/binding.cc b/test/addons/shared-buffer/binding.cc
new file mode 100644
index 0000000000..d81f1d4f22
--- /dev/null
+++ b/test/addons/shared-buffer/binding.cc
@@ -0,0 +1,55 @@
+#include <node.h>
+#include <v8.h>
+#include <uv.h>
+
+using namespace v8;
+
+extern "C" {
+  void init(Handle<Object> target);
+}
+
+
+#define BUFSIZE 1024
+static uint8_t buf[BUFSIZE];
+static uv_mutex_t lock;
+
+
+Handle<Value> Get(const Arguments& args) {
+  HandleScope scope;
+
+  int index = args[0]->Uint32Value();
+
+  if (index < 0 || BUFSIZE <= index) {
+    return ThrowException(Exception::Error(String::New("out of bounds")));
+  }
+
+  return scope.Close(Integer::New(buf[index]));
+}
+
+
+Handle<Value> Set(const Arguments& args) {
+  uv_mutex_lock(&lock);
+  HandleScope scope;
+
+  int index = args[0]->Uint32Value();
+
+  if (index < 0 || BUFSIZE <= index) {
+    return ThrowException(Exception::Error(String::New("out of bounds")));
+  }
+
+  buf[index] = args[1]->Uint32Value();
+
+  Local<Integer> val = Integer::New(buf[index]);
+
+  uv_mutex_unlock(&lock);
+
+  return scope.Close(val);
+}
+
+
+void init(Handle<Object> target) {
+  NODE_SET_METHOD(target, "get", Get);
+  NODE_SET_METHOD(target, "set", Set);
+  target->Set(String::New("length"), Integer::New(BUFSIZE));
+  uv_mutex_init(&lock);
+}
diff --git a/test/addons/shared-buffer/binding.gyp b/test/addons/shared-buffer/binding.gyp
new file mode 100644
index 0000000000..3bfb84493f
--- /dev/null
+++ b/test/addons/shared-buffer/binding.gyp
@@ -0,0 +1,8 @@
+{
+  'targets': [
+    {
+      'target_name': 'binding',
+      'sources': [ 'binding.cc' ]
+    }
+  ]
+}
diff --git a/test/addons/shared-buffer/test.js b/test/addons/shared-buffer/test.js
new file mode 100644
index 0000000000..ab7da43bd6
--- /dev/null
+++ b/test/addons/shared-buffer/test.js
@@ -0,0 +1,18 @@
+var assert = require('assert');
+var binding = require('./out/Release/binding');
+
+console.log("binding.length =", binding.length);
+
+if (process.tid === 1) {
+  var isolate = process._newIsolate(process.argv);
+  for (var i = 0; i < binding.length; i++) {
+    console.log('parent',
+                'binding.set(' + i + ', ' + i + ')',
+                binding.set(i, i));
+  }
+} else {
+  for (var i = 0; i < binding.length; i++) {
+    console.log('child', 'binding.get(' + i + ')', binding.get(i));
+  }
+}
+