1 /*
2 * Copyright (C) 2014 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 #define LOG_TAG "NativeBridge_test"
18
19 #include <JniInvocation.h>
20 #include <gtest/gtest.h>
21
22
23 #include "string.h"
24
25 #if defined(HAVE_ANDROID_OS) && defined(__BIONIC__)
26 #define HAVE_TEST_STUFF 1
27 #else
28 #undef HAVE_TEST_STUFF
29 #endif
30
31 #ifdef HAVE_TEST_STUFF
32
33 // Ability to have fake local system properties.
34 #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
35 #include <sys/_system_properties.h>
36
37 extern void *__system_property_area__;
38
39 struct LocalPropertyTestState {
LocalPropertyTestStateLocalPropertyTestState40 LocalPropertyTestState() : valid(false) {
41 const char* ANDROID_DATA = getenv("ANDROID_DATA");
42 char dir_template[PATH_MAX];
43 snprintf(dir_template, sizeof(dir_template), "%s/local/tmp/prop-XXXXXX", ANDROID_DATA);
44 char* dirname = mkdtemp(dir_template);
45 if (!dirname) {
46 fprintf(stderr, "making temp file for test state failed (is %s writable?): %s",
47 dir_template, strerror(errno));
48 return;
49 }
50
51 old_pa = __system_property_area__;
52 __system_property_area__ = NULL;
53
54 pa_dirname = dirname;
55 pa_filename = pa_dirname + "/__properties__";
56
57 __system_property_set_filename(pa_filename.c_str());
58 __system_property_area_init();
59 valid = true;
60 }
61
~LocalPropertyTestStateLocalPropertyTestState62 ~LocalPropertyTestState() {
63 if (!valid) {
64 return;
65 }
66
67 __system_property_area__ = old_pa;
68
69 __system_property_set_filename(PROP_FILENAME);
70 unlink(pa_filename.c_str());
71 rmdir(pa_dirname.c_str());
72 }
73 public:
74 bool valid;
75 private:
76 std::string pa_dirname;
77 std::string pa_filename;
78 void *old_pa;
79 };
80 #endif
81
82 namespace android {
83
84 class JNIInvocationTest : public testing::Test {
85 };
86
87 #ifdef HAVE_TEST_STUFF
88 static const char* kDebuggableSystemProperty = "ro.debuggable";
89 static const char* kIsDebuggableValue = "1";
90 static const char* kIsNotDebuggableValue = "0";
91
92 static const char* kLibrarySystemProperty = "persist.sys.dalvik.vm.lib.2";
93 static const char* kTestNonNull = "libartd.so";
94 static const char* kTestNonNull2 = "libartd2.so";
95 static const char* kExpected = "libart.so";
96 #endif
97
TEST_F(JNIInvocationTest,Debuggable)98 TEST_F(JNIInvocationTest, Debuggable) {
99 #ifdef HAVE_TEST_STUFF
100 LocalPropertyTestState pa;
101 ASSERT_TRUE(pa.valid);
102 ASSERT_EQ(0, __system_property_add(kDebuggableSystemProperty, 13, kIsDebuggableValue, 1));
103 ASSERT_EQ(0, __system_property_add(kLibrarySystemProperty, 27, kTestNonNull2, 11));
104
105 const char* result = JniInvocation::GetLibrary(NULL);
106 EXPECT_FALSE(result == NULL);
107 if (result != NULL) {
108 EXPECT_TRUE(strcmp(result, kTestNonNull2) == 0);
109 EXPECT_FALSE(strcmp(result, kExpected) == 0);
110 }
111
112 result = JniInvocation::GetLibrary(kTestNonNull);
113 EXPECT_FALSE(result == NULL);
114 if (result != NULL) {
115 EXPECT_TRUE(strcmp(result, kTestNonNull) == 0);
116 EXPECT_FALSE(strcmp(result, kTestNonNull2) == 0);
117 }
118 #endif
119 }
120
TEST_F(JNIInvocationTest,NonDebuggable)121 TEST_F(JNIInvocationTest, NonDebuggable) {
122 #ifdef HAVE_TEST_STUFF
123 LocalPropertyTestState pa;
124 ASSERT_TRUE(pa.valid);
125 ASSERT_EQ(0, __system_property_add(kDebuggableSystemProperty, 13, kIsNotDebuggableValue, 1));
126
127 const char* result = JniInvocation::GetLibrary(NULL);
128 EXPECT_FALSE(result == NULL);
129 if (result != NULL) {
130 EXPECT_TRUE(strcmp(result, kExpected) == 0);
131 EXPECT_FALSE(strcmp(result, kTestNonNull) == 0);
132 EXPECT_FALSE(strcmp(result, kTestNonNull2) == 0);
133 }
134
135 result = JniInvocation::GetLibrary(kTestNonNull);
136 EXPECT_FALSE(result == NULL);
137 if (result != NULL) {
138 EXPECT_TRUE(strcmp(result, kExpected) == 0);
139 EXPECT_FALSE(strcmp(result, kTestNonNull) == 0);
140 }
141 #endif
142 }
143
144 } // namespace android
145