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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/common/extensions/extension_file_util.h"
      6 
      7 #include <set>
      8 #include <string>
      9 
     10 #include "base/path_service.h"
     11 #include "chrome/common/chrome_paths.h"
     12 #include "extensions/common/extension.h"
     13 #include "extensions/common/file_util.h"
     14 #include "extensions/common/manifest.h"
     15 #include "testing/gtest/include/gtest/gtest.h"
     16 
     17 namespace extensions {
     18 
     19 typedef testing::Test ExtensionFileUtilTest;
     20 
     21 // Test that a browser action extension returns a path to an icon.
     22 TEST_F(ExtensionFileUtilTest, GetBrowserImagePaths) {
     23   base::FilePath install_dir;
     24   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &install_dir));
     25   install_dir = install_dir.AppendASCII("extensions")
     26                     .AppendASCII("api_test")
     27                     .AppendASCII("browser_action")
     28                     .AppendASCII("basics");
     29 
     30   std::string error;
     31   scoped_refptr<Extension> extension(file_util::LoadExtension(
     32       install_dir, Manifest::UNPACKED, Extension::NO_FLAGS, &error));
     33   ASSERT_TRUE(extension.get());
     34 
     35   // The extension contains one icon.
     36   std::set<base::FilePath> paths =
     37       extension_file_util::GetBrowserImagePaths(extension.get());
     38   ASSERT_EQ(1u, paths.size());
     39   EXPECT_EQ("icon.png", paths.begin()->BaseName().AsUTF8Unsafe());
     40 }
     41 
     42 // Test that extensions with zero-length action icons will not load.
     43 TEST_F(ExtensionFileUtilTest, CheckZeroLengthActionIconFiles) {
     44   base::FilePath install_dir;
     45   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &install_dir));
     46 
     47   // Try to install an extension with a zero-length browser action icon file.
     48   base::FilePath ext_dir = install_dir.AppendASCII("extensions")
     49                                .AppendASCII("bad")
     50                                .AppendASCII("Extensions")
     51                                .AppendASCII("gggggggggggggggggggggggggggggggg");
     52 
     53   std::string error;
     54   scoped_refptr<Extension> extension2(file_util::LoadExtension(
     55       ext_dir, Manifest::UNPACKED, Extension::NO_FLAGS, &error));
     56   EXPECT_FALSE(extension2.get());
     57   EXPECT_STREQ("Could not load icon 'icon.png' for browser action.",
     58                error.c_str());
     59 
     60   // Try to install an extension with a zero-length page action icon file.
     61   ext_dir = install_dir.AppendASCII("extensions")
     62                 .AppendASCII("bad")
     63                 .AppendASCII("Extensions")
     64                 .AppendASCII("hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
     65 
     66   scoped_refptr<Extension> extension3(file_util::LoadExtension(
     67       ext_dir, Manifest::UNPACKED, Extension::NO_FLAGS, &error));
     68   EXPECT_FALSE(extension3.get());
     69   EXPECT_STREQ("Could not load icon 'icon.png' for page action.",
     70                error.c_str());
     71 }
     72 
     73 }  // namespace extensions
     74