1 //
2 // Copyright (C) 2012 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 #include "update_engine/common/terminator.h"
18 
19 #include <gtest/gtest.h>
20 #include <gtest/gtest-spi.h>
21 
22 using testing::ExitedWithCode;
23 
24 namespace chromeos_update_engine {
25 
26 class TerminatorTest : public ::testing::Test {
27  protected:
SetUp()28   void SetUp() override {
29     Terminator::Init();
30     ASSERT_FALSE(Terminator::exit_blocked());
31     ASSERT_FALSE(Terminator::exit_requested());
32   }
TearDown()33   void TearDown() override {
34     // Makes sure subsequent non-Terminator tests don't get accidentally
35     // terminated.
36     Terminator::Init();
37   }
38 };
39 
40 typedef TerminatorTest TerminatorDeathTest;
41 
42 namespace {
UnblockExitThroughUnblocker()43 void UnblockExitThroughUnblocker() {
44   ScopedTerminatorExitUnblocker unblocker = ScopedTerminatorExitUnblocker();
45 }
46 
RaiseSIGTERM()47 void RaiseSIGTERM() {
48   ASSERT_EXIT(raise(SIGTERM), ExitedWithCode(2), "");
49 }
50 }  // namespace
51 
TEST_F(TerminatorTest,HandleSignalTest)52 TEST_F(TerminatorTest, HandleSignalTest) {
53   Terminator::set_exit_blocked(true);
54   Terminator::HandleSignal(SIGTERM);
55   ASSERT_TRUE(Terminator::exit_requested());
56 }
57 
TEST_F(TerminatorTest,ScopedTerminatorExitUnblockerTest)58 TEST_F(TerminatorTest, ScopedTerminatorExitUnblockerTest) {
59   Terminator::set_exit_blocked(true);
60   ASSERT_TRUE(Terminator::exit_blocked());
61   ASSERT_FALSE(Terminator::exit_requested());
62   UnblockExitThroughUnblocker();
63   ASSERT_FALSE(Terminator::exit_blocked());
64   ASSERT_FALSE(Terminator::exit_requested());
65 }
66 
TEST_F(TerminatorDeathTest,ExitTest)67 TEST_F(TerminatorDeathTest, ExitTest) {
68   ASSERT_EXIT(Terminator::Exit(), ExitedWithCode(2), "");
69   Terminator::set_exit_blocked(true);
70   ASSERT_EXIT(Terminator::Exit(), ExitedWithCode(2), "");
71 }
72 
TEST_F(TerminatorDeathTest,RaiseSignalTest)73 TEST_F(TerminatorDeathTest, RaiseSignalTest) {
74   RaiseSIGTERM();
75   Terminator::set_exit_blocked(true);
76   EXPECT_FATAL_FAILURE(RaiseSIGTERM(), "");
77 }
78 
TEST_F(TerminatorDeathTest,ScopedTerminatorExitUnblockerExitTest)79 TEST_F(TerminatorDeathTest, ScopedTerminatorExitUnblockerExitTest) {
80   Terminator::set_exit_blocked(true);
81   Terminator::exit_requested_ = 1;
82   ASSERT_EXIT(UnblockExitThroughUnblocker(), ExitedWithCode(2), "");
83 }
84 
85 }  // namespace chromeos_update_engine
86