logd: CTS test

Utilize logd-unit-tests as a CTS test

Goal is to check if the kernel logger is enabled.

Test: run cts tests
Bug: 31772697
Change-Id: I6d80350f3e40aff095f81b6600c40dd7d376bd74

logd/tests/Android.mk

@@ -49,3 +49,38 @@ LOCAL_CFLAGS += $(test_c_flags)
 LOCAL_SHARED_LIBRARIES := libbase libcutils liblog libselinux
 LOCAL_SRC_FILES := $(test_src_files)
 include $(BUILD_NATIVE_TEST)
+
+cts_executable := CtsLogdTestCases
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := $(cts_executable)
+LOCAL_MODULE_TAGS := tests
+LOCAL_CFLAGS += $(test_c_flags)
+LOCAL_SRC_FILES := $(test_src_files)
+LOCAL_MODULE_PATH := $(TARGET_OUT_DATA)/nativetest
+LOCAL_MULTILIB := both
+LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)32
+LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
+LOCAL_SHARED_LIBRARIES := libbase libcutils liblog libselinux
+LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
+LOCAL_COMPATIBILITY_SUITE := cts
+LOCAL_CTS_TEST_PACKAGE := android.core.logd
+include $(BUILD_CTS_EXECUTABLE)
+
+ifeq ($(HOST_OS)-$(HOST_ARCH),$(filter $(HOST_OS)-$(HOST_ARCH),linux-x86 linux-x86_64))
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := $(cts_executable)_list
+LOCAL_MODULE_TAGS := optional
+LOCAL_CFLAGS := $(test_c_flags) -DHOST
+LOCAL_C_INCLUDES := external/gtest/include
+LOCAL_SRC_FILES := $(test_src_files)
+LOCAL_MULTILIB := both
+LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)
+LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
+LOCAL_CXX_STL := libc++
+LOCAL_SHARED_LIBRARIES := libbase libcutils liblog
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
+include $(BUILD_HOST_NATIVE_TEST)
+
+endif  # ifeq ($(HOST_OS)-$(HOST_ARCH),$(filter $(HOST_OS)-$(HOST_ARCH),linux-x86 linux-x86_64))

logd/tests/AndroidTest.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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 CTS Logging Daemon test cases">
+    <target_preparer class="com.android.compatibility.common.tradefed.targetprep.FilePusher">
+        <option name="cleanup" value="true" />
+        <option name="push" value="CtsLogdTestCases->/data/local/tmp/CtsLogdTestCases" />
+        <option name="append-bitness" value="true" />
+    </target_preparer>
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="CtsLogdTestCases" />
+        <option name="runtime-hint" value="65s" />
+    </test>
+</configuration>

logd/tests/logd_test.cpp

@@ -39,6 +39,7 @@
 #include "../LogReader.h"  // pickup LOGD_SNDTIMEO
 #include "../libaudit.h"   // pickup AUDIT_RATE_LIMIT_*
 
+#ifdef __ANDROID__
 static void send_to_control(char* buf, size_t len) {
     int sock = socket_local_client("logd", ANDROID_SOCKET_NAMESPACE_RESERVED,
                                    SOCK_STREAM);
@@ -157,8 +158,10 @@ static char* find_benchmark_spam(char* cp) {
     } while (*cp);
     return benchmark;
 }
+#endif
 
 TEST(logd, statistics) {
+#ifdef __ANDROID__
     size_t len;
     char* buf;
 
@@ -204,8 +207,12 @@ TEST(logd, statistics) {
     EXPECT_TRUE(NULL != events_logs);
 
     delete[] buf;
+#else
+    GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
 }
 
+#ifdef __ANDROID__
 static void caught_signal(int /* signum */) {
 }
 
@@ -315,8 +322,10 @@ static void dump_log_msg(const char* prefix, log_msg* msg, unsigned int version,
     fprintf(stderr, "}\n");
     fflush(stderr);
 }
+#endif
 
 TEST(logd, both) {
+#ifdef __ANDROID__
     log_msg msg;
 
     // check if we can read any logs from logd
@@ -390,8 +399,12 @@ TEST(logd, both) {
     EXPECT_EQ(0, !user_logger_available && !kernel_logger_available);
     EXPECT_EQ(0, user_logger_content && kernel_logger_content);
     EXPECT_EQ(0, !user_logger_content && !kernel_logger_content);
+#else
+    GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
 }
 
+#ifdef __ANDROID__
 // BAD ROBOT
 //   Benchmark threshold are generally considered bad form unless there is
 //   is some human love applied to the continued maintenance and whether the
@@ -560,9 +573,11 @@ TEST(logd, benchmark) {
     // 50% threshold for SPAM filter (<20% typical, lots of engineering margin)
     ASSERT_GT(totalSize, nowSpamSize * 2);
 }
+#endif
 
 // b/26447386 confirm fixed
 void timeout_negative(const char* command) {
+#ifdef __ANDROID__
     log_msg msg_wrap, msg_timeout;
     bool content_wrap = false, content_timeout = false, written = false;
     unsigned int alarm_wrap = 0, alarm_timeout = 0;
@@ -632,6 +647,10 @@ void timeout_negative(const char* command) {
     EXPECT_NE(0U, alarm_wrap);
     EXPECT_TRUE(content_timeout);
     EXPECT_NE(0U, alarm_timeout);
+#else
+    command = NULL;
+    GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
 }
 
 TEST(logd, timeout_no_start) {
@@ -645,6 +664,7 @@ TEST(logd, timeout_start_epoch) {
 
 // b/26447386 refined behavior
 TEST(logd, timeout) {
+#ifdef __ANDROID__
     // b/33962045 This test interferes with other log reader tests that
     // follow because of file descriptor socket persistence in the same
     // process.  So let's fork it to isolate it from giving us pain.
@@ -768,10 +788,14 @@ TEST(logd, timeout) {
 
     _exit(!written + content_wrap + alarm_wrap + !content_timeout +
           !alarm_timeout);
+#else
+    GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
 }
 
 // b/27242723 confirmed fixed
 TEST(logd, SNDTIMEO) {
+#ifdef __ANDROID__
     static const unsigned sndtimeo =
         LOGD_SNDTIMEO;  // <sigh> it has to be done!
     static const unsigned sleep_time = sndtimeo + 3;
@@ -822,6 +846,9 @@ TEST(logd, SNDTIMEO) {
     EXPECT_EQ(0, save_errno);
 
     close(fd);
+#else
+    GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
 }
 
 TEST(logd, getEventTag_list) {
@@ -879,11 +906,14 @@ TEST(logd, getEventTag_newentry) {
 #endif
 }
 
+#ifdef __ANDROID__
 static inline int32_t get4LE(const char* src) {
     return src[0] | (src[1] << 8) | (src[2] << 16) | (src[3] << 24);
 }
+#endif
 
 void __android_log_btwrite_multiple__helper(int count) {
+#ifdef __ANDROID__
     log_time ts(CLOCK_MONOTONIC);
 
     log_time ts1(CLOCK_MONOTONIC);
@@ -976,6 +1006,10 @@ void __android_log_btwrite_multiple__helper(int count) {
     EXPECT_EQ(expected_chatty_count, chatty_count);
     EXPECT_EQ(expected_identical_count, identical_count);
     EXPECT_EQ(expected_expire_count, expire_count);
+#else
+    count = 0;
+    GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
 }
 
 TEST(logd, multiple_test_1) {