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68 lines
2.2 KiB
68 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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static constexpr const char* kTestData = "PreInitializeNativeBridge test."; |
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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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// Try to create our mount namespace. |
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if (unshare(CLONE_NEWNS) != -1) { |
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// Create a dummy 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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