Added Client-Hints.

chrome/browser/net/client_hints_unittest.cc

+// Copyright (c) 2012 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 "chrome/browser/net/client_hints.h"
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+

[Ryan Sleevi, 2013/01/17 01:57:56]

nit: unnecessary newline

[bengr (incorrect), 2013/01/18 02:12:00]

Done.

+class ClientHintsTest : public testing::Test {
+ protected:
+  ClientHintsTest() {}
+
+  virtual void SetUp() OVERRIDE {
+    client_hints_ = new ClientHints();
+    client_hints_->UpdateScreenInfo(1, 2, 100, 200, 2.5);
+    client_hints_->UpdateScreenInfo(1, 3, 50, 150, 1.567);
+  }
+
+  virtual void TearDown() OVERRIDE {
+    client_hints_ = NULL;
+  }
+
+  bool IsScreenInfoAvailable(int process_id, int render_view_id) {
+    return client_hints_->IsScreenInfoAvailable(process_id, render_view_id);
+  }
+
+  scoped_refptr<ClientHints> client_hints_;
+};
+
+TEST_F(ClientHintsTest, HintsAvailable) {
+  EXPECT_TRUE(IsScreenInfoAvailable(1,2));
+  EXPECT_TRUE(IsScreenInfoAvailable(1,3));
+  EXPECT_FALSE(IsScreenInfoAvailable(0,2));
+
+}
+TEST_F(ClientHintsTest, HintsWellFormatted) {
+  std::string hint = client_hints_->GetScreenInfoHints(1, 2);
+  std::string hint2 = client_hints_->GetScreenInfoHints(1, 3);
+#if defined(OS_POSIX) || defined(USE_AURA)
+  EXPECT_EQ("vh=200, vw=100, dpr=2.5", hint);
+  EXPECT_EQ("vh=150, vw=50, dpr=1.57", hint2);
+#else
+  EXPECT_EQ("vh=200, vw=100", hint);
+  EXPECT_EQ("vh=150, vw=50", hint2);
+#endif
+}
+