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author | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
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committer | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
commit | b6bc976d7be8ee56d3be4b6dbd2f3ab0a4021c86 (patch) | |
tree | f5ed5db8cb5d237a073ea00c4d4cd63153a16a6c /lib/scudo/standalone/tests/stats_test.cc | |
parent | 05342ccc9cff16425c0a831fddd510879544a0bf (diff) | |
parent | 098ca93185735ec3687106d0967a70fc99a85059 (diff) | |
download | compiler-rt-b6bc976d7be8ee56d3be4b6dbd2f3ab0a4021c86.tar.gz |
Creating branches/google/stable and tags/google/stable/2019-05-14 from r360103google/stable
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/google/stable@360714 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/scudo/standalone/tests/stats_test.cc')
-rw-r--r-- | lib/scudo/standalone/tests/stats_test.cc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/scudo/standalone/tests/stats_test.cc b/lib/scudo/standalone/tests/stats_test.cc new file mode 100644 index 000000000..9ed105d3d --- /dev/null +++ b/lib/scudo/standalone/tests/stats_test.cc @@ -0,0 +1,45 @@ +//===-- stats_test.cc -------------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "scudo/standalone/stats.h" +#include "gtest/gtest.h" + +TEST(ScudoStatsTest, LocalStats) { + scudo::LocalStats LStats; + LStats.init(); + for (scudo::uptr I = 0; I < scudo::StatCount; I++) + EXPECT_EQ(LStats.get(static_cast<scudo::StatType>(I)), 0U); + LStats.add(scudo::StatAllocated, 4096U); + EXPECT_EQ(LStats.get(scudo::StatAllocated), 4096U); + LStats.sub(scudo::StatAllocated, 4096U); + EXPECT_EQ(LStats.get(scudo::StatAllocated), 0U); + LStats.set(scudo::StatAllocated, 4096U); + EXPECT_EQ(LStats.get(scudo::StatAllocated), 4096U); +} + +TEST(ScudoStatsTest, GlobalStats) { + scudo::GlobalStats GStats; + GStats.init(); + scudo::uptr Counters[scudo::StatCount] = {}; + GStats.get(Counters); + for (scudo::uptr I = 0; I < scudo::StatCount; I++) + EXPECT_EQ(Counters[I], 0U); + scudo::LocalStats LStats; + LStats.init(); + GStats.link(&LStats); + for (scudo::uptr I = 0; I < scudo::StatCount; I++) + LStats.add(static_cast<scudo::StatType>(I), 4096U); + GStats.get(Counters); + for (scudo::uptr I = 0; I < scudo::StatCount; I++) + EXPECT_EQ(Counters[I], 4096U); + // Unlinking the local stats move numbers to the global stats. + GStats.unlink(&LStats); + GStats.get(Counters); + for (scudo::uptr I = 0; I < scudo::StatCount; I++) + EXPECT_EQ(Counters[I], 4096U); +} |