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(__ANDROID__) && 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 // PROPERTY_VALUE_MAX.
34 #include "cutils/properties.h"
35
36 // Ability to have fake local system properties.
37 #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
38 #include <sys/_system_properties.h>
39
40 struct LocalPropertyTestState {
LocalPropertyTestStateLocalPropertyTestState41 LocalPropertyTestState() : valid(false) {
42 const char* ANDROID_DATA = getenv("ANDROID_DATA");
43 char dir_template[PATH_MAX];
44 snprintf(dir_template, sizeof(dir_template), "%s/local/tmp/prop-XXXXXX", ANDROID_DATA);
45 char* dirname = mkdtemp(dir_template);
46 if (!dirname) {
47 fprintf(stderr, "making temp file for test state failed (is %s writable?): %s",
48 dir_template, strerror(errno));
49 return;
50 }
51
52 pa_dirname = dirname;
53 pa_filename = pa_dirname + "/__properties__";
54
55 __system_property_set_filename(pa_filename.c_str());
56 __system_property_area_init();
57 valid = true;
58 }
59
~LocalPropertyTestStateLocalPropertyTestState60 ~LocalPropertyTestState() {
61 if (!valid) {
62 return;
63 }
64
65 __system_property_set_filename(PROP_FILENAME);
66 __system_properties_init();
67 unlink(pa_filename.c_str());
68 rmdir(pa_dirname.c_str());
69 }
70 public:
71 bool valid;
72 private:
73 std::string pa_dirname;
74 std::string pa_filename;
75 };
76 #endif
77
78 namespace android {
79
80 class JNIInvocationTest : public testing::Test {
81 };
82
83 #ifdef HAVE_TEST_STUFF
84 static const char* kDebuggableSystemProperty = "ro.debuggable";
85 static const char* kIsDebuggableValue = "1";
86 static const char* kIsNotDebuggableValue = "0";
87
88 static const char* kLibrarySystemProperty = "persist.sys.dalvik.vm.lib.2";
89 static const char* kTestNonNull = "libartd.so";
90 static const char* kTestNonNull2 = "libartd2.so";
91 static const char* kExpected = "libart.so";
92 #endif
93
TEST_F(JNIInvocationTest,Debuggable)94 TEST_F(JNIInvocationTest, Debuggable) {
95 #ifdef HAVE_TEST_STUFF
96 LocalPropertyTestState pa;
97 ASSERT_TRUE(pa.valid);
98 ASSERT_EQ(0, __system_property_add(kDebuggableSystemProperty, 13, kIsDebuggableValue, 1));
99 ASSERT_EQ(0, __system_property_add(kLibrarySystemProperty, 27, kTestNonNull2, 11));
100
101 char buffer[PROPERTY_VALUE_MAX];
102 const char* result = JniInvocation::GetLibrary(NULL, buffer);
103 EXPECT_FALSE(result == NULL);
104 if (result != NULL) {
105 EXPECT_TRUE(strcmp(result, kTestNonNull2) == 0);
106 EXPECT_FALSE(strcmp(result, kExpected) == 0);
107 }
108
109 result = JniInvocation::GetLibrary(kTestNonNull, buffer);
110 EXPECT_FALSE(result == NULL);
111 if (result != NULL) {
112 EXPECT_TRUE(strcmp(result, kTestNonNull) == 0);
113 EXPECT_FALSE(strcmp(result, kTestNonNull2) == 0);
114 }
115 #else
116 GTEST_LOG_(WARNING) << "Host testing unsupported. Please run target tests.";
117 #endif
118 }
119
TEST_F(JNIInvocationTest,NonDebuggable)120 TEST_F(JNIInvocationTest, NonDebuggable) {
121 #ifdef HAVE_TEST_STUFF
122 LocalPropertyTestState pa;
123 ASSERT_TRUE(pa.valid);
124 ASSERT_EQ(0, __system_property_add(kDebuggableSystemProperty, 13, kIsNotDebuggableValue, 1));
125
126 char buffer[PROPERTY_VALUE_MAX];
127 const char* result = JniInvocation::GetLibrary(NULL, buffer);
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, buffer);
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 #else
142 GTEST_LOG_(WARNING) << "Host testing unsupported. Please run target tests.";
143 #endif
144 }
145
146 } // namespace android
147