chrome/browser/media_galleries/win/mtp_device_object_enumerator_unittest.cc

   1 // Copyright (c) 2013 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 // MTPDeviceObjectEnumerator unit tests.
   6
   7 #include "chrome/browser/media_galleries/win/mtp_device_object_enumerator.h"
   8
   9 #include <ctime>
  10
  11 #include "base/basictypes.h"
  12 #include "base/strings/string16.h"
  13 #include "base/time/time.h"
  14 #include "chrome/browser/media_galleries/win/mtp_device_object_entry.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 namespace {
  18
  19 struct MTPDeviceObjectEntryData {
  20   // Friendly name of the object, e.g. "IMG_9911.jpeg".
  21   base::string16 name;
  22
  23   // The object identifier, e.g. "o299".
  24   base::string16 object_id;
  25
  26   // True if the current object is a directory/folder/album content type.
  27   bool is_directory;
  28
  29   // The object file size in bytes, e.g. "882992".
  30   int64 size;
  31
  32   // Last modified time of the object.
  33   time_t last_modified_time;
  34 };
  35
  36 const MTPDeviceObjectEntryData kTestCases[] = {
  37   { L"File_1", L"o100", false, 10023, 1121 },
  38   { L"Directory_1", L"o52", true, 99833, 2231 },
  39   { L"File_2", L"o230", false, 8733, 7372 },
  40 };
  41
  42 void TestEnumeratorIsEmpty(MTPDeviceObjectEnumerator* enumerator) {
  43   EXPECT_EQ(base::string16(), enumerator->GetObjectId());
  44   EXPECT_EQ(0, enumerator->Size());
  45   EXPECT_FALSE(enumerator->IsDirectory());
  46   EXPECT_TRUE(enumerator->LastModifiedTime().is_null());
  47 }
  48
  49 void TestNextEntryIsEmpty(MTPDeviceObjectEnumerator* enumerator) {
  50   EXPECT_TRUE(enumerator->Next().empty());
  51 }
  52
  53 typedef testing::Test MTPDeviceObjectEnumeratorWinTest;
  54
  55 TEST_F(MTPDeviceObjectEnumeratorWinTest, Empty) {
  56   MTPDeviceObjectEntries entries;
  57   MTPDeviceObjectEnumerator enumerator(entries);
  58   TestEnumeratorIsEmpty(&enumerator);
  59   TestNextEntryIsEmpty(&enumerator);
  60   TestNextEntryIsEmpty(&enumerator);
  61   TestEnumeratorIsEmpty(&enumerator);
  62 }
  63
  64 TEST_F(MTPDeviceObjectEnumeratorWinTest, Traversal) {
  65   MTPDeviceObjectEntries entries;
  66   for (size_t i = 0; i < arraysize(kTestCases); ++i) {
  67     entries.push_back(MTPDeviceObjectEntry(
  68         kTestCases[i].object_id,
  69         kTestCases[i].name,
  70         kTestCases[i].is_directory,
  71         kTestCases[i].size,
  72         base::Time::FromTimeT(kTestCases[i].last_modified_time)));
  73   }
  74   MTPDeviceObjectEnumerator enumerator(entries);
  75   TestEnumeratorIsEmpty(&enumerator);
  76   TestEnumeratorIsEmpty(&enumerator);
  77   for (size_t i = 0; i < arraysize(kTestCases); ++i) {
  78     EXPECT_EQ(kTestCases[i].name, enumerator.Next().value());
  79     EXPECT_EQ(kTestCases[i].object_id, enumerator.GetObjectId());
  80     EXPECT_EQ(kTestCases[i].size, enumerator.Size());
  81     EXPECT_EQ(kTestCases[i].is_directory, enumerator.IsDirectory());
  82     EXPECT_EQ(kTestCases[i].last_modified_time,
  83               enumerator.LastModifiedTime().ToTimeT());
  84   }
  85   TestNextEntryIsEmpty(&enumerator);
  86   TestNextEntryIsEmpty(&enumerator);
  87   TestEnumeratorIsEmpty(&enumerator);
  88   TestNextEntryIsEmpty(&enumerator);
  89   TestEnumeratorIsEmpty(&enumerator);
  90 }
  91
  92 }  // namespace