1 files changed, 77 insertions, 0 deletions
diff --git a/ppapi/tests/test_buffer.cc b/ppapi/tests/test_buffer.cc
new file mode 100644
index 0000000..c920271
--- /dev/null
+++ b/ppapi/tests/test_buffer.cc
@@ -0,0 +1,77 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/tests/test_buffer.h"
+
+#include "ppapi/c/dev/ppb_buffer_dev.h"
+#include "ppapi/cpp/dev/buffer_dev.h"
+#include "ppapi/cpp/graphics_2d.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/tests/testing_instance.h"
+
+REGISTER_TEST_CASE(Buffer);
+
+bool TestBuffer::Init() {
+  buffer_interface_ = reinterpret_cast<PPB_Buffer_Dev const*>(
+      pp::Module::Get()->GetBrowserInterface(PPB_BUFFER_DEV_INTERFACE));
+  return !!buffer_interface_;
+}
+
+void TestBuffer::RunTest() {
+  instance_->LogTest("InvalidSize", TestInvalidSize());
+  instance_->LogTest("InitToZero", TestInitToZero());
+  instance_->LogTest("IsBuffer", TestIsBuffer());
+}
+
+std::string TestBuffer::TestInvalidSize() {
+  pp::Buffer_Dev zero_size(0);
+  if (!zero_size.is_null())
+    return "Zero size accepted";
+
+  return "";
+}
+
+std::string TestBuffer::TestInitToZero() {
+  pp::Buffer_Dev buffer(100);
+  if (buffer.is_null())
+    return "Could not create buffer";
+
+  if (buffer.size() != 100)
+    return "Buffer size not as expected";
+
+  // Now check that everything is 0.
+  unsigned char* bytes = static_cast<unsigned char *>(buffer.data());
+  for (int index = 0; index < buffer.size(); index++) {
+    if (bytes[index] != 0)
+      return "Buffer isn't entirely zero";
+  }
+
+  return "";
+}
+
+std::string TestBuffer::TestIsBuffer() {
+  // Test that a NULL resource isn't a buffer.
+  pp::Resource null_resource;
+  if (buffer_interface_->IsBuffer(null_resource.pp_resource()))
+    return "Null resource was reported as a valid buffer";
+
+  // Make another resource type and test it.
+  const int w = 16, h = 16;
+  pp::Graphics2D device(pp::Size(w, h), true);
+  if (device.is_null())
+    return "Couldn't create device context";
+  if (buffer_interface_->IsBuffer(device.pp_resource()))
+    return "Device context was reported as a buffer";
+
+  // Make a valid buffer.
+  pp::Buffer_Dev buffer(100);
+  if (buffer.is_null())
+    return "Couldn't create buffer";
+  if (!buffer_interface_->IsBuffer(buffer.pp_resource()))
+    return "Buffer should be identified as a buffer";
+
+  return "";
+}
+