upload android base code part6

android/libnativehelper/tests/Android.bp

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+// Build the unit tests.
+
+cc_test {
+    name: "JniInvocation_test",
+    test_suites: ["device-tests"],
+    host_supported: true,
+    clang: true,
+    srcs: ["JniInvocation_test.cpp"],
+    shared_libs: ["libnativehelper"],
+}

android/libnativehelper/tests/AndroidTest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Config for JniInvocation_test">
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="JniInvocation_test->/data/local/tmp/JniInvocation_test" />
+    </target_preparer>
+    <option name="test-suite-tag" value="apct" />
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="JniInvocation_test" />
+    </test>
+</configuration>

android/libnativehelper/tests/JniInvocation_test.cpp

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+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "NativeBridge_test"
+
+#include <JniInvocation.h>
+#include <gtest/gtest.h>
+
+
+#include "string.h"
+
+#if defined(__ANDROID__) && defined(__BIONIC__)
+#define HAVE_TEST_STUFF 1
+#else
+#undef HAVE_TEST_STUFF
+#endif
+
+#ifdef HAVE_TEST_STUFF
+
+// PROPERTY_VALUE_MAX.
+#include "cutils/properties.h"
+
+// Ability to have fake local system properties.
+#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
+#include <sys/_system_properties.h>
+
+struct LocalPropertyTestState {
+    LocalPropertyTestState() : valid(false) {
+        const char* ANDROID_DATA = getenv("ANDROID_DATA");
+        char dir_template[PATH_MAX];
+        snprintf(dir_template, sizeof(dir_template), "%s/local/tmp/prop-XXXXXX", ANDROID_DATA);
+        char* dirname = mkdtemp(dir_template);
+        if (!dirname) {
+            fprintf(stderr, "making temp file for test state failed (is %s writable?): %s",
+                    dir_template, strerror(errno));
+            return;
+        }
+
+        pa_dirname = dirname;
+        pa_filename = pa_dirname + "/__properties__";
+
+        __system_property_set_filename(pa_filename.c_str());
+        __system_property_area_init();
+        valid = true;
+    }
+
+    ~LocalPropertyTestState() {
+        if (!valid) {
+            return;
+        }
+
+        __system_property_set_filename(PROP_FILENAME);
+        __system_properties_init();
+        unlink(pa_filename.c_str());
+        rmdir(pa_dirname.c_str());
+    }
+public:
+    bool valid;
+private:
+    std::string pa_dirname;
+    std::string pa_filename;
+};
+#endif
+
+namespace android {
+
+class JNIInvocationTest : public testing::Test {
+};
+
+#ifdef HAVE_TEST_STUFF
+static const char* kDebuggableSystemProperty = "ro.debuggable";
+static const char* kIsDebuggableValue = "1";
+static const char* kIsNotDebuggableValue = "0";
+
+static const char* kLibrarySystemProperty = "persist.sys.dalvik.vm.lib.2";
+static const char* kTestNonNull = "libartd.so";
+static const char* kTestNonNull2 = "libartd2.so";
+static const char* kExpected = "libart.so";
+#endif
+
+TEST_F(JNIInvocationTest, Debuggable) {
+#ifdef HAVE_TEST_STUFF
+    LocalPropertyTestState pa;
+    ASSERT_TRUE(pa.valid);
+    ASSERT_EQ(0, __system_property_add(kDebuggableSystemProperty, 13, kIsDebuggableValue, 1));
+    ASSERT_EQ(0, __system_property_add(kLibrarySystemProperty, 27, kTestNonNull2, 11));
+
+    char buffer[PROPERTY_VALUE_MAX];
+    const char* result = JniInvocation::GetLibrary(NULL, buffer);
+    EXPECT_FALSE(result == NULL);
+    if (result != NULL) {
+        EXPECT_TRUE(strcmp(result, kTestNonNull2) == 0);
+        EXPECT_FALSE(strcmp(result, kExpected) == 0);
+    }
+
+    result = JniInvocation::GetLibrary(kTestNonNull, buffer);
+    EXPECT_FALSE(result == NULL);
+    if (result != NULL) {
+        EXPECT_TRUE(strcmp(result, kTestNonNull) == 0);
+        EXPECT_FALSE(strcmp(result, kTestNonNull2) == 0);
+    }
+#else
+    GTEST_LOG_(WARNING) << "Host testing unsupported. Please run target tests.";
+#endif
+}
+
+TEST_F(JNIInvocationTest, NonDebuggable) {
+#ifdef HAVE_TEST_STUFF
+    LocalPropertyTestState pa;
+    ASSERT_TRUE(pa.valid);
+    ASSERT_EQ(0, __system_property_add(kDebuggableSystemProperty, 13, kIsNotDebuggableValue, 1));
+
+    char buffer[PROPERTY_VALUE_MAX];
+    const char* result = JniInvocation::GetLibrary(NULL, buffer);
+    EXPECT_FALSE(result == NULL);
+    if (result != NULL) {
+        EXPECT_TRUE(strcmp(result, kExpected) == 0);
+        EXPECT_FALSE(strcmp(result, kTestNonNull) == 0);
+        EXPECT_FALSE(strcmp(result, kTestNonNull2) == 0);
+    }
+
+    result = JniInvocation::GetLibrary(kTestNonNull, buffer);
+    EXPECT_FALSE(result == NULL);
+    if (result != NULL) {
+        EXPECT_TRUE(strcmp(result, kExpected) == 0);
+        EXPECT_FALSE(strcmp(result, kTestNonNull) == 0);
+    }
+#else
+    GTEST_LOG_(WARNING) << "Host testing unsupported. Please run target tests.";
+#endif
+}
+
+}  // namespace android