gtk: Fix bookmark_utils::GetNodesFromSelection to not crash on invalid data.

BUG=43347
TEST=included
Review URL: http://codereview.chromium.org/2048002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@46730 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 38 insertions, 0 deletions

diff --git a/chrome/browser/gtk/bookmark_utils_gtk_unittest.cc b/chrome/browser/gtk/bookmark_utils_gtk_unittest.cc
new file mode 100644
index 0000000..be22a10
--- /dev/null
+++ b/chrome/browser/gtk/bookmark_utils_gtk_unittest.cc
@@ -0,0 +1,38 @@
+// 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 "app/gtk_dnd_util.h"
+#include "chrome/browser/gtk/bookmark_utils_gtk.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(BookmarkUtilsGtkTest, GetNodesFromSelectionInvalid) {
+  std::vector<const BookmarkNode*> nodes;
+  nodes = bookmark_utils::GetNodesFromSelection(NULL, NULL, 0, NULL, NULL,
+                                                NULL);
+  EXPECT_EQ(0u, nodes.size());
+
+  GtkSelectionData data;
+  data.data = NULL;
+  data.length = 0;
+  nodes = bookmark_utils::GetNodesFromSelection(NULL, &data, 0, NULL, NULL,
+                                                NULL);
+  EXPECT_EQ(0u, nodes.size());
+
+  nodes = bookmark_utils::GetNodesFromSelection(NULL, NULL,
+      gtk_dnd_util::CHROME_BOOKMARK_ITEM, NULL, NULL, NULL);
+  EXPECT_EQ(0u, nodes.size());
+
+  data.data = NULL;
+  data.length = 0;
+  nodes = bookmark_utils::GetNodesFromSelection(NULL, &data,
+      gtk_dnd_util::CHROME_BOOKMARK_ITEM, NULL, NULL, NULL);
+  EXPECT_EQ(0u, nodes.size());
+
+  guchar test_data[] = "";
+  data.data = test_data;
+  data.length = 0;
+  nodes = bookmark_utils::GetNodesFromSelection(NULL, &data,
+      gtk_dnd_util::CHROME_BOOKMARK_ITEM, NULL, NULL, NULL);
+  EXPECT_EQ(0u, nodes.size());
+}