1 /*
2 * Copyright 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #undef LOG_TAG
18 #define LOG_TAG "LibSurfaceFlingerUnittests"
19
20 #include "DisplayTransactionTestHelpers.h"
21
22 namespace android {
23 namespace {
24
25 class CreateDisplayTest : public DisplayTransactionTest {};
26
TEST_F(CreateDisplayTest,createDisplaySetsCurrentStateForNonsecureDisplay)27 TEST_F(CreateDisplayTest, createDisplaySetsCurrentStateForNonsecureDisplay) {
28 const String8 name("virtual.test");
29
30 // --------------------------------------------------------------------
31 // Call Expectations
32
33 // The call should notify the interceptor that a display was created.
34 EXPECT_CALL(*mSurfaceInterceptor, saveDisplayCreation(_)).Times(1);
35
36 // --------------------------------------------------------------------
37 // Invocation
38
39 sp<IBinder> displayToken = mFlinger.createDisplay(name, false);
40
41 // --------------------------------------------------------------------
42 // Postconditions
43
44 // The display should have been added to the current state
45 ASSERT_TRUE(hasCurrentDisplayState(displayToken));
46 const auto& display = getCurrentDisplayState(displayToken);
47 EXPECT_TRUE(display.isVirtual());
48 EXPECT_FALSE(display.isSecure);
49 EXPECT_EQ(name.string(), display.displayName);
50
51 // --------------------------------------------------------------------
52 // Cleanup conditions
53
54 // Destroying the display invalidates the display state.
55 EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
56 }
57
TEST_F(CreateDisplayTest,createDisplaySetsCurrentStateForSecureDisplay)58 TEST_F(CreateDisplayTest, createDisplaySetsCurrentStateForSecureDisplay) {
59 const String8 name("virtual.test");
60
61 // --------------------------------------------------------------------
62 // Call Expectations
63
64 // The call should notify the interceptor that a display was created.
65 EXPECT_CALL(*mSurfaceInterceptor, saveDisplayCreation(_)).Times(1);
66
67 // --------------------------------------------------------------------
68 // Invocation
69 int64_t oldId = IPCThreadState::self()->clearCallingIdentity();
70 // Set the calling identity to graphics so captureDisplay with secure is allowed.
71 IPCThreadState::self()->restoreCallingIdentity(static_cast<int64_t>(AID_GRAPHICS) << 32 |
72 AID_GRAPHICS);
73 sp<IBinder> displayToken = mFlinger.createDisplay(name, true);
74 IPCThreadState::self()->restoreCallingIdentity(oldId);
75
76 // --------------------------------------------------------------------
77 // Postconditions
78
79 // The display should have been added to the current state
80 ASSERT_TRUE(hasCurrentDisplayState(displayToken));
81 const auto& display = getCurrentDisplayState(displayToken);
82 EXPECT_TRUE(display.isVirtual());
83 EXPECT_TRUE(display.isSecure);
84 EXPECT_EQ(name.string(), display.displayName);
85
86 // --------------------------------------------------------------------
87 // Cleanup conditions
88
89 // Destroying the display invalidates the display state.
90 EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
91 }
92
93 } // namespace
94 } // namespace android