kernel.config: add CONFIG_NFS* testing

The following configs are not supported on Android:

CONFIG_NFSD
CONFIG_NFS_FS

Test: run CTS and kernel-config-unit-tests
Bug: 37753761
Change-Id: I13a9a2d5265079a1f99512c48b5bbcfd4bba68dd

2 files changed, 32 insertions, 1 deletions

diff --git a/tests/kernel.config/Android.mk b/tests/kernel.config/Android.mk
index 9be5d9d0..0c87107f 100644
--- a/tests/kernel.config/Android.mk
+++ b/tests/kernel.config/Android.mk
@@ -15,10 +15,11 @@ test_c_flags := \
 
 # Required Tests
 cts_src_files := \
+    logger_test.cpp \
     multicast_test.cpp \
+    nfs_test.cpp \
     pstore_test.cpp \
     sysvipc_test.cpp \
-    logger_test.cpp
 
 # Required plus Recommended Tests
 # TODO: move aslr_test.cpp back to cts_src_files b/36888825
@@ -34,6 +35,7 @@ LOCAL_MODULE_TAGS := tests
 LOCAL_CFLAGS := $(test_c_flags)
 LOCAL_CFLAGS := -DHAS_KCMP
 LOCAL_SRC_FILES := $(test_src_files)
+LOCAL_SHARED_LIBRARIES := libbase
 include $(BUILD_NATIVE_TEST)
 
 include $(CLEAR_VARS)
@@ -46,6 +48,7 @@ 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
 LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
 
 LOCAL_COMPATIBILITY_SUITE := cts
diff --git a/tests/kernel.config/nfs_test.cpp b/tests/kernel.config/nfs_test.cpp
new file mode 100644
index 00000000..01b45a74
--- /dev/null
+++ b/tests/kernel.config/nfs_test.cpp
@@ -0,0 +1,28 @@
+/*
+ * 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.
+ */
+
+#include <string>
+
+#include <android-base/file.h>
+#include <gtest/gtest.h>
+
+TEST(kernel_config, NOT_CONFIG_NFS_) {
+  std::string fs;
+  EXPECT_TRUE(android::base::ReadFileToString("/proc/filesystems", &fs));
+  EXPECT_TRUE(fs.find("\tnfs\n") == std::string::npos);
+  EXPECT_TRUE(fs.find("\tnfs4\n") == std::string::npos);
+  EXPECT_TRUE(fs.find("\tnfsd\n") == std::string::npos);
+}