Show Zoom Levels as content settings

content/browser/host_zoom_map_impl_unittest.cc

 // Copyright (c) 2011 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 "content/browser/host_zoom_map_impl.h"
 
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_browser_thread.h"
@@ skipping 39 matching lines @@
       host_zoom_map.GetZoomLevelForHostAndScheme("http", "login"));
 
   host_zoom_map.SetZoomLevelForHost("login", zoomed);
 
   EXPECT_DOUBLE_EQ(0,
       host_zoom_map.GetZoomLevelForHostAndScheme("chrome", "login"));
   EXPECT_DOUBLE_EQ(zoomed,
       host_zoom_map.GetZoomLevelForHostAndScheme("http", "login"));
 }
 
+TEST_F(HostZoomMapTest, GetAllZoomLevels) {
+  HostZoomMapImpl host_zoom_map;
+
+  double zoomed = 2.5;
+  host_zoom_map.SetZoomLevelForHost("zoomed.com", zoomed);
+  host_zoom_map.SetZoomLevelForHostAndScheme("https", "zoomed.com", zoomed);
+  host_zoom_map.SetZoomLevelForHostAndScheme("chrome", "login", zoomed);
+
+  HostZoomMap::ZoomLevelVector levels = host_zoom_map.GetAllZoomLevels();
+  HostZoomMap::ZoomLevelChange expected[] = {
+      {HostZoomMap::ZOOM_CHANGED_FOR_HOST, "zoomed.com", std::string(), zoomed},
+      {HostZoomMap::ZOOM_CHANGED_FOR_SCHEME_AND_HOST, "login", "chrome",
+       zoomed},
+      {HostZoomMap::ZOOM_CHANGED_FOR_SCHEME_AND_HOST, "zoomed.com", "https",
+       zoomed}, };
+  ASSERT_EQ(arraysize(expected), levels.size());
+  for (size_t i = 0; i < arraysize(expected); ++i) {
+    SCOPED_TRACE(testing::Message() << "levels[" << i << "]");
+    EXPECT_EQ(expected[i].mode, levels[i].mode);
+    EXPECT_EQ(expected[i].scheme, levels[i].scheme);
+    EXPECT_EQ(expected[i].host, levels[i].host);
+    EXPECT_EQ(expected[i].zoom_level, levels[i].zoom_level);
+  }
+}
+
 }  // namespace content