50     ASSERT_TRUE(common_prefs_);  in MultiNamespaceKeyTest()
51     auto key0 = common_prefs_->CreateSubKey({"ns1", "key"});  in MultiNamespaceKeyTest()
53     auto key0corner = common_prefs_->CreateSubKey({"ns11", "key"});  in MultiNamespaceKeyTest()
54     auto key1A = common_prefs_->CreateSubKey({"ns1", "nsA", "keyA"});  in MultiNamespaceKeyTest()
55     auto key1B = common_prefs_->CreateSubKey({"ns1", "nsA", "keyB"});  in MultiNamespaceKeyTest()
56     auto key2 = common_prefs_->CreateSubKey({"ns1", "nsB", "key"});  in MultiNamespaceKeyTest()
58     auto key2corner = common_prefs_->CreateSubKey({"ns1", "nsB1", "key"});  in MultiNamespaceKeyTest()
59     EXPECT_FALSE(common_prefs_->Exists(key0));  in MultiNamespaceKeyTest()
60     EXPECT_FALSE(common_prefs_->Exists(key1A));  in MultiNamespaceKeyTest()
61     EXPECT_FALSE(common_prefs_->Exists(key1B));  in MultiNamespaceKeyTest()
62     EXPECT_FALSE(common_prefs_->Exists(key2));  in MultiNamespaceKeyTest()
64     EXPECT_TRUE(common_prefs_->SetString(key0, ""));  in MultiNamespaceKeyTest()
65     EXPECT_TRUE(common_prefs_->SetString(key0corner, ""));  in MultiNamespaceKeyTest()
66     EXPECT_TRUE(common_prefs_->SetString(key1A, ""));  in MultiNamespaceKeyTest()
67     EXPECT_TRUE(common_prefs_->SetString(key1B, ""));  in MultiNamespaceKeyTest()
68     EXPECT_TRUE(common_prefs_->SetString(key2, ""));  in MultiNamespaceKeyTest()
69     EXPECT_TRUE(common_prefs_->SetString(key2corner, ""));  in MultiNamespaceKeyTest()
71     EXPECT_TRUE(common_prefs_->Exists(key0));  in MultiNamespaceKeyTest()
72     EXPECT_TRUE(common_prefs_->Exists(key0corner));  in MultiNamespaceKeyTest()
73     EXPECT_TRUE(common_prefs_->Exists(key1A));  in MultiNamespaceKeyTest()
74     EXPECT_TRUE(common_prefs_->Exists(key1B));  in MultiNamespaceKeyTest()
75     EXPECT_TRUE(common_prefs_->Exists(key2));  in MultiNamespaceKeyTest()
76     EXPECT_TRUE(common_prefs_->Exists(key2corner));  in MultiNamespaceKeyTest()
79     EXPECT_TRUE(common_prefs_->GetSubKeys("ns1/nsB/", &keys2));  in MultiNamespaceKeyTest()
82       EXPECT_TRUE(common_prefs_->Delete(key));  in MultiNamespaceKeyTest()
83     EXPECT_TRUE(common_prefs_->Exists(key0));  in MultiNamespaceKeyTest()
84     EXPECT_TRUE(common_prefs_->Exists(key0corner));  in MultiNamespaceKeyTest()
85     EXPECT_TRUE(common_prefs_->Exists(key1A));  in MultiNamespaceKeyTest()
86     EXPECT_TRUE(common_prefs_->Exists(key1B));  in MultiNamespaceKeyTest()
87     EXPECT_FALSE(common_prefs_->Exists(key2));  in MultiNamespaceKeyTest()
88     EXPECT_TRUE(common_prefs_->Exists(key2corner));  in MultiNamespaceKeyTest()
91     EXPECT_TRUE(common_prefs_->GetSubKeys("ns1/nsB", &keys2corner));  in MultiNamespaceKeyTest()
94       EXPECT_TRUE(common_prefs_->Delete(key));  in MultiNamespaceKeyTest()
95     EXPECT_FALSE(common_prefs_->Exists(key2corner));  in MultiNamespaceKeyTest()
98     EXPECT_TRUE(common_prefs_->GetSubKeys("ns1/nsA/", &keys1));  in MultiNamespaceKeyTest()
101       EXPECT_TRUE(common_prefs_->Delete(key));  in MultiNamespaceKeyTest()
102     EXPECT_TRUE(common_prefs_->Exists(key0));  in MultiNamespaceKeyTest()
103     EXPECT_TRUE(common_prefs_->Exists(key0corner));  in MultiNamespaceKeyTest()
104     EXPECT_FALSE(common_prefs_->Exists(key1A));  in MultiNamespaceKeyTest()
105     EXPECT_FALSE(common_prefs_->Exists(key1B));  in MultiNamespaceKeyTest()
108     EXPECT_TRUE(common_prefs_->GetSubKeys("ns1/", &keys0));  in MultiNamespaceKeyTest()
111       EXPECT_TRUE(common_prefs_->Delete(key));  in MultiNamespaceKeyTest()
112     EXPECT_FALSE(common_prefs_->Exists(key0));  in MultiNamespaceKeyTest()
113     EXPECT_TRUE(common_prefs_->Exists(key0corner));  in MultiNamespaceKeyTest()
116     EXPECT_TRUE(common_prefs_->GetSubKeys("ns1", &keys0corner));  in MultiNamespaceKeyTest()
119       EXPECT_TRUE(common_prefs_->Delete(key));  in MultiNamespaceKeyTest()
120     EXPECT_FALSE(common_prefs_->Exists(key0corner));  in MultiNamespaceKeyTest()
124     key1A = common_prefs_->CreateSubKey({kDlcPrefsSubDir, "dlc1", "keyA"});  in MultiNamespaceKeyTest()
125     EXPECT_TRUE(common_prefs_->SetString(key1A, "fp_1A"));  in MultiNamespaceKeyTest()
126     key1B = common_prefs_->CreateSubKey({kDlcPrefsSubDir, "dlc1", "keyB"});  in MultiNamespaceKeyTest()
127     EXPECT_TRUE(common_prefs_->SetString(key1B, "fp_1B"));  in MultiNamespaceKeyTest()
128     auto key2A = common_prefs_->CreateSubKey({kDlcPrefsSubDir, "dlc2", "keyA"});  in MultiNamespaceKeyTest()
129     EXPECT_TRUE(common_prefs_->SetString(key2A, "fp_A2"));  in MultiNamespaceKeyTest()
132     EXPECT_TRUE(common_prefs_->GetSubKeys(kDlcPrefsSubDir, &fpKeys));  in MultiNamespaceKeyTest()
134     EXPECT_TRUE(common_prefs_->Delete(fpKeys[0]));  in MultiNamespaceKeyTest()
135     EXPECT_TRUE(common_prefs_->Delete(fpKeys[1]));  in MultiNamespaceKeyTest()
136     EXPECT_TRUE(common_prefs_->Delete(fpKeys[2]));  in MultiNamespaceKeyTest()
137     EXPECT_FALSE(common_prefs_->Exists(key1A));  in MultiNamespaceKeyTest()
140   PrefsInterface* common_prefs_;  member in chromeos_update_engine::BasePrefsTest
149     common_prefs_ = &prefs_;  in SetUp()
589   void SetUp() override { common_prefs_ = &prefs_; }  in SetUp()