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Unified Diff: base/trace_event/process_memory_maps_dump_provider_unittest.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/trace_event/process_memory_maps_dump_provider_unittest.cc
diff --git a/base/trace_event/process_memory_maps_dump_provider_unittest.cc b/base/trace_event/process_memory_maps_dump_provider_unittest.cc
deleted file mode 100644
index 5416e119960f790858386de5bafb167d549da6fe..0000000000000000000000000000000000000000
--- a/base/trace_event/process_memory_maps_dump_provider_unittest.cc
+++ /dev/null
@@ -1,184 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/trace_event/process_memory_maps_dump_provider.h"
-
-#include <fstream>
-#include <sstream>
-
-#include "base/trace_event/process_memory_dump.h"
-#include "base/trace_event/process_memory_maps.h"
-#include "base/trace_event/trace_event_argument.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-namespace trace_event {
-
-#if defined(OS_LINUX) || defined(OS_ANDROID)
-namespace {
-const char kTestSmaps1[] =
- "00400000-004be000 r-xp 00000000 fc:01 1234 /file/1\n"
- "Size: 760 kB\n"
- "Rss: 296 kB\n"
- "Pss: 162 kB\n"
- "Shared_Clean: 228 kB\n"
- "Shared_Dirty: 0 kB\n"
- "Private_Clean: 0 kB\n"
- "Private_Dirty: 68 kB\n"
- "Referenced: 296 kB\n"
- "Anonymous: 68 kB\n"
- "AnonHugePages: 0 kB\n"
- "Swap: 4 kB\n"
- "KernelPageSize: 4 kB\n"
- "MMUPageSize: 4 kB\n"
- "Locked: 0 kB\n"
- "VmFlags: rd ex mr mw me dw sd\n"
- "ff000000-ff800000 -w-p 00001080 fc:01 0 /file/name with space\n"
- "Size: 0 kB\n"
- "Rss: 192 kB\n"
- "Pss: 128 kB\n"
- "Shared_Clean: 120 kB\n"
- "Shared_Dirty: 4 kB\n"
- "Private_Clean: 60 kB\n"
- "Private_Dirty: 8 kB\n"
- "Referenced: 296 kB\n"
- "Anonymous: 0 kB\n"
- "AnonHugePages: 0 kB\n"
- "Swap: 0 kB\n"
- "KernelPageSize: 4 kB\n"
- "MMUPageSize: 4 kB\n"
- "Locked: 0 kB\n"
- "VmFlags: rd ex mr mw me dw sd";
-
-const char kTestSmaps2[] =
- // An invalid region, with zero size and overlapping with the last one
- // (See crbug.com/461237).
- "7fe7ce79c000-7fe7ce79c000 ---p 00000000 00:00 0 \n"
- "Size: 4 kB\n"
- "Rss: 0 kB\n"
- "Pss: 0 kB\n"
- "Shared_Clean: 0 kB\n"
- "Shared_Dirty: 0 kB\n"
- "Private_Clean: 0 kB\n"
- "Private_Dirty: 0 kB\n"
- "Referenced: 0 kB\n"
- "Anonymous: 0 kB\n"
- "AnonHugePages: 0 kB\n"
- "Swap: 0 kB\n"
- "KernelPageSize: 4 kB\n"
- "MMUPageSize: 4 kB\n"
- "Locked: 0 kB\n"
- "VmFlags: rd ex mr mw me dw sd\n"
- // A invalid region with its range going backwards.
- "00400000-00200000 ---p 00000000 00:00 0 \n"
- "Size: 4 kB\n"
- "Rss: 0 kB\n"
- "Pss: 0 kB\n"
- "Shared_Clean: 0 kB\n"
- "Shared_Dirty: 0 kB\n"
- "Private_Clean: 0 kB\n"
- "Private_Dirty: 0 kB\n"
- "Referenced: 0 kB\n"
- "Anonymous: 0 kB\n"
- "AnonHugePages: 0 kB\n"
- "Swap: 0 kB\n"
- "KernelPageSize: 4 kB\n"
- "MMUPageSize: 4 kB\n"
- "Locked: 0 kB\n"
- "VmFlags: rd ex mr mw me dw sd\n"
- // A good anonymous region at the end.
- "7fe7ce79c000-7fe7ce7a8000 ---p 00000000 00:00 0 \n"
- "Size: 48 kB\n"
- "Rss: 40 kB\n"
- "Pss: 32 kB\n"
- "Shared_Clean: 16 kB\n"
- "Shared_Dirty: 12 kB\n"
- "Private_Clean: 8 kB\n"
- "Private_Dirty: 4 kB\n"
- "Referenced: 40 kB\n"
- "Anonymous: 16 kB\n"
- "AnonHugePages: 0 kB\n"
- "Swap: 0 kB\n"
- "KernelPageSize: 4 kB\n"
- "MMUPageSize: 4 kB\n"
- "Locked: 0 kB\n"
- "VmFlags: rd wr mr mw me ac sd\n";
-} // namespace
-
-TEST(ProcessMemoryMapsDumpProviderTest, ParseProcSmaps) {
- const uint32 kProtR = ProcessMemoryMaps::VMRegion::kProtectionFlagsRead;
- const uint32 kProtW = ProcessMemoryMaps::VMRegion::kProtectionFlagsWrite;
- const uint32 kProtX = ProcessMemoryMaps::VMRegion::kProtectionFlagsExec;
-
- auto pmmdp = ProcessMemoryMapsDumpProvider::GetInstance();
-
- // Emulate a non-existent /proc/self/smaps.
- ProcessMemoryDump pmd_invalid(nullptr /* session_state */);
- std::ifstream non_existent_file("/tmp/does-not-exist");
- ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &non_existent_file;
- CHECK_EQ(false, non_existent_file.good());
- pmmdp->OnMemoryDump(&pmd_invalid);
- ASSERT_FALSE(pmd_invalid.has_process_mmaps());
-
- // Emulate an empty /proc/self/smaps.
- std::ifstream empty_file("/dev/null");
- ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &empty_file;
- CHECK_EQ(true, empty_file.good());
- pmmdp->OnMemoryDump(&pmd_invalid);
- ASSERT_FALSE(pmd_invalid.has_process_mmaps());
-
- // Parse the 1st smaps file.
- ProcessMemoryDump pmd_1(nullptr /* session_state */);
- std::istringstream test_smaps_1(kTestSmaps1);
- ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &test_smaps_1;
- pmmdp->OnMemoryDump(&pmd_1);
- ASSERT_TRUE(pmd_1.has_process_mmaps());
- const auto& regions_1 = pmd_1.process_mmaps()->vm_regions();
- ASSERT_EQ(2UL, regions_1.size());
-
- EXPECT_EQ(0x00400000UL, regions_1[0].start_address);
- EXPECT_EQ(0x004be000UL - 0x00400000UL, regions_1[0].size_in_bytes);
- EXPECT_EQ(kProtR | kProtX, regions_1[0].protection_flags);
- EXPECT_EQ("/file/1", regions_1[0].mapped_file);
- EXPECT_EQ(162 * 1024UL, regions_1[0].byte_stats_proportional_resident);
- EXPECT_EQ(228 * 1024UL, regions_1[0].byte_stats_shared_clean_resident);
- EXPECT_EQ(0UL, regions_1[0].byte_stats_shared_dirty_resident);
- EXPECT_EQ(0UL, regions_1[0].byte_stats_private_clean_resident);
- EXPECT_EQ(68 * 1024UL, regions_1[0].byte_stats_private_dirty_resident);
- EXPECT_EQ(4 * 1024UL, regions_1[0].byte_stats_swapped);
-
- EXPECT_EQ(0xff000000UL, regions_1[1].start_address);
- EXPECT_EQ(0xff800000UL - 0xff000000UL, regions_1[1].size_in_bytes);
- EXPECT_EQ(kProtW, regions_1[1].protection_flags);
- EXPECT_EQ("/file/name with space", regions_1[1].mapped_file);
- EXPECT_EQ(128 * 1024UL, regions_1[1].byte_stats_proportional_resident);
- EXPECT_EQ(120 * 1024UL, regions_1[1].byte_stats_shared_clean_resident);
- EXPECT_EQ(4 * 1024UL, regions_1[1].byte_stats_shared_dirty_resident);
- EXPECT_EQ(60 * 1024UL, regions_1[1].byte_stats_private_clean_resident);
- EXPECT_EQ(8 * 1024UL, regions_1[1].byte_stats_private_dirty_resident);
- EXPECT_EQ(0 * 1024UL, regions_1[1].byte_stats_swapped);
-
- // Parse the 2nd smaps file.
- ProcessMemoryDump pmd_2(nullptr /* session_state */);
- std::istringstream test_smaps_2(kTestSmaps2);
- ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &test_smaps_2;
- pmmdp->OnMemoryDump(&pmd_2);
- ASSERT_TRUE(pmd_2.has_process_mmaps());
- const auto& regions_2 = pmd_2.process_mmaps()->vm_regions();
- ASSERT_EQ(1UL, regions_2.size());
- EXPECT_EQ(0x7fe7ce79c000UL, regions_2[0].start_address);
- EXPECT_EQ(0x7fe7ce7a8000UL - 0x7fe7ce79c000UL, regions_2[0].size_in_bytes);
- EXPECT_EQ(0U, regions_2[0].protection_flags);
- EXPECT_EQ("", regions_2[0].mapped_file);
- EXPECT_EQ(32 * 1024UL, regions_2[0].byte_stats_proportional_resident);
- EXPECT_EQ(16 * 1024UL, regions_2[0].byte_stats_shared_clean_resident);
- EXPECT_EQ(12 * 1024UL, regions_2[0].byte_stats_shared_dirty_resident);
- EXPECT_EQ(8 * 1024UL, regions_2[0].byte_stats_private_clean_resident);
- EXPECT_EQ(4 * 1024UL, regions_2[0].byte_stats_private_dirty_resident);
- EXPECT_EQ(0 * 1024UL, regions_2[0].byte_stats_swapped);
-}
-#endif // defined(OS_LINUX) || defined(OS_ANDROID)
-
-} // namespace trace_event
-} // namespace base
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