diff options
Diffstat (limited to 'libmeminfo/libmeminfo_test.cpp')
| -rw-r--r-- | libmeminfo/libmeminfo_test.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libmeminfo/libmeminfo_test.cpp b/libmeminfo/libmeminfo_test.cpp index cf5341d14..378a4cd4a 100644 --- a/libmeminfo/libmeminfo_test.cpp +++ b/libmeminfo/libmeminfo_test.cpp @@ -101,6 +101,33 @@ TEST(ProcMemInfo, MapsUsageEmpty) { } } +TEST(ProcMemInfo, MapsUsageFillInLater) { + ProcMemInfo proc_mem(pid); + const std::vector<Vma>& maps = proc_mem.MapsWithoutUsageStats(); + EXPECT_FALSE(maps.empty()); + for (auto& map : maps) { + Vma update_map(map); + ASSERT_EQ(map.start, update_map.start); + ASSERT_EQ(map.end, update_map.end); + ASSERT_EQ(map.offset, update_map.offset); + ASSERT_EQ(map.flags, update_map.flags); + ASSERT_EQ(map.name, update_map.name); + ASSERT_EQ(0, update_map.usage.vss); + ASSERT_EQ(0, update_map.usage.rss); + ASSERT_EQ(0, update_map.usage.pss); + ASSERT_EQ(0, update_map.usage.uss); + ASSERT_EQ(0, update_map.usage.swap); + ASSERT_EQ(0, update_map.usage.swap_pss); + ASSERT_EQ(0, update_map.usage.private_clean); + ASSERT_EQ(0, update_map.usage.private_dirty); + ASSERT_EQ(0, update_map.usage.shared_clean); + ASSERT_EQ(0, update_map.usage.shared_dirty); + ASSERT_TRUE(proc_mem.FillInVmaStats(update_map)); + // Check that at least one usage stat was updated. + ASSERT_NE(0, update_map.usage.vss); + } +} + TEST(ProcMemInfo, PageMapPresent) { static constexpr size_t kNumPages = 20; size_t pagesize = getpagesize(); |