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69 lines
2.2 KiB
69 lines
2.2 KiB
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <dlfcn.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <cstdio>
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#include <cstring>
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#include <android/log.h>
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#include "NativeBridgeTest.h"
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namespace android {
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TEST_F(NativeBridgeTest, PreInitializeNativeBridge) {
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ASSERT_TRUE(LoadNativeBridge(kNativeBridgeLibrary, nullptr));
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#if !defined(__APPLE__) // Mac OS does not support bind-mount.
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#if !defined(__ANDROID__) // Cannot write into the hard-wired location.
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static constexpr const char* kTestData = "PreInitializeNativeBridge test.";
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// Try to create our mount namespace.
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if (unshare(CLONE_NEWNS) != -1) {
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// Create a placeholder file.
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FILE* cpuinfo = fopen("./cpuinfo", "w");
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ASSERT_NE(nullptr, cpuinfo) << strerror(errno);
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fprintf(cpuinfo, kTestData);
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fclose(cpuinfo);
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ASSERT_TRUE(PreInitializeNativeBridge("does not matter 1", "short 2"));
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// Read /proc/cpuinfo
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FILE* proc_cpuinfo = fopen("/proc/cpuinfo", "r");
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ASSERT_NE(nullptr, proc_cpuinfo) << strerror(errno);
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char buf[1024];
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EXPECT_NE(nullptr, fgets(buf, sizeof(buf), proc_cpuinfo)) << "Error reading.";
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fclose(proc_cpuinfo);
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EXPECT_EQ(0, strcmp(buf, kTestData));
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// Delete the file.
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ASSERT_EQ(0, unlink("./cpuinfo")) << "Error unlinking temporary file.";
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// Ending the test will tear down the mount namespace.
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} else {
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GTEST_LOG_(WARNING) << "Could not create mount namespace. Are you running this as root?";
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}
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#endif
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#endif
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}
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} // namespace android
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