Move libnative{bridge,loader} to art/
This change moves system/core/libnative{bridge,loader} under art/.
Bug: 137364733
Test: m
Change-Id: I9be7333d00fcd3f36cd80520e50a30ea840187ad
diff --git a/libnativebridge/tests/PreInitializeNativeBridge_test.cpp b/libnativebridge/tests/PreInitializeNativeBridge_test.cpp
new file mode 100644
index 0000000..cd5a8e2
--- /dev/null
+++ b/libnativebridge/tests/PreInitializeNativeBridge_test.cpp
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+
+#include <dlfcn.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+
+#include <cstdio>
+#include <cstring>
+
+#include <android/log.h>
+
+#include "NativeBridgeTest.h"
+
+namespace android {
+
+TEST_F(NativeBridgeTest, PreInitializeNativeBridge) {
+ ASSERT_TRUE(LoadNativeBridge(kNativeBridgeLibrary, nullptr));
+#if !defined(__APPLE__) // Mac OS does not support bind-mount.
+#if !defined(__ANDROID__) // Cannot write into the hard-wired location.
+ static constexpr const char* kTestData = "PreInitializeNativeBridge test.";
+
+ // Try to create our mount namespace.
+ if (unshare(CLONE_NEWNS) != -1) {
+ // Create a dummy file.
+ FILE* cpuinfo = fopen("./cpuinfo", "w");
+ ASSERT_NE(nullptr, cpuinfo) << strerror(errno);
+ fprintf(cpuinfo, kTestData);
+ fclose(cpuinfo);
+
+ ASSERT_TRUE(PreInitializeNativeBridge("does not matter 1", "short 2"));
+
+ // Read /proc/cpuinfo
+ FILE* proc_cpuinfo = fopen("/proc/cpuinfo", "r");
+ ASSERT_NE(nullptr, proc_cpuinfo) << strerror(errno);
+ char buf[1024];
+ EXPECT_NE(nullptr, fgets(buf, sizeof(buf), proc_cpuinfo)) << "Error reading.";
+ fclose(proc_cpuinfo);
+
+ EXPECT_EQ(0, strcmp(buf, kTestData));
+
+ // Delete the file.
+ ASSERT_EQ(0, unlink("./cpuinfo")) << "Error unlinking temporary file.";
+ // Ending the test will tear down the mount namespace.
+ } else {
+ GTEST_LOG_(WARNING) << "Could not create mount namespace. Are you running this as root?";
+ }
+#endif
+#endif
+}
+
+} // namespace android