[Mac] Strip newlines from paste.

chrome/browser/autocomplete/autocomplete_edit_view_mac_unittest.mm

+// Copyright (c) 2009 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.
+
+#import "chrome/browser/autocomplete/autocomplete_edit_view_mac.h"
+
+#include "base/clipboard.h"
+#include "base/gfx/size.h"
+#include "base/scoped_clipboard_writer.h"
+#include "base/string_util.h"
+#include "base/sys_string_conversions.h"
+#include "chrome/browser/autocomplete/autocomplete.h"
+#include "testing/platform_test.h"
+
+namespace {
+
+TEST(AutocompleteEditViewMacTest, GetClipboardText) {
+  Clipboard clipboard;
+  std::wstring text;
+
+  // Does an empty clipboard get empty text?
+  clipboard.WriteObjects(Clipboard::ObjectMap());
+  text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
+  EXPECT_EQ(std::wstring(), text);
+
+  const string16 plainText(ASCIIToUTF16("test text"));
+  const std::string url("http://www.example.com/");
+  const string16 title(ASCIIToUTF16("The Example Company")), title_result;
+
+  // Can we pull straight text off the clipboard?
+  {
+    ScopedClipboardWriter clipboard_writer(&clipboard);
+    clipboard_writer.WriteText(plainText);
+  }
+
+  text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
+  EXPECT_EQ(UTF16ToWide(plainText), text);
+
+  // Can we pull a bookmark off the clipboard?
+  {
+    ScopedClipboardWriter clipboard_writer(&clipboard);
+    clipboard_writer.WriteBookmark(title, url);
+  }
+
+  text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
+  EXPECT_EQ(ASCIIToWide(url), text);
+
+  // Do we pull text in preference to a bookmark?
+  {
+    ScopedClipboardWriter clipboard_writer(&clipboard);
+    clipboard_writer.WriteText(plainText);
+    clipboard_writer.WriteBookmark(title, url);
+  }
+
+  text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
+  EXPECT_EQ(UTF16ToWide(plainText), text);
+
+  // Do we get nothing if there is neither text nor a bookmark?
+  {
+    const string16 markup(ASCIIToUTF16("<strong>Hi!</string>"));
+    ScopedClipboardWriter clipboard_writer(&clipboard);
+    clipboard_writer.WriteHTML(markup, url);
+  }
+
+  text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
+  EXPECT_TRUE(text.empty());
+}
+
+}  // namespace