mirror of
https://github.com/facebook/sapling.git
synced 2024-10-11 01:07:15 +03:00
fbdb46f5cb
Reviewed By: chadaustin Differential Revision: D17872966 fbshipit-source-id: cd60a364a2146f0dadbeca693b1d4a5d7c97ff63
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This software may be used and distributed according to the terms of the
|
|
* GNU General Public License version 2.
|
|
*/
|
|
|
|
#include "eden/fs/utils/Memory.h"
|
|
|
|
#include <folly/Exception.h>
|
|
#include <gtest/gtest.h>
|
|
|
|
using std::string;
|
|
using namespace facebook::eden;
|
|
|
|
TEST(Memory, StdStringMemoryUsage) {
|
|
std::string test;
|
|
for (int stringLength = 0; stringLength < 100; stringLength++) {
|
|
SCOPED_TRACE(folly::to<string>("string length = ", stringLength));
|
|
std::byte* data = reinterpret_cast<std::byte*>(test.data());
|
|
std::byte* stringloc = reinterpret_cast<std::byte*>(&test);
|
|
bool isSmall =
|
|
data >= stringloc && data < (stringloc + sizeof(std::string));
|
|
size_t allocated = isSmall ? 0 : test.capacity();
|
|
ASSERT_EQ(
|
|
folly::goodMallocSize(allocated), estimateIndirectMemoryUsage(test));
|
|
test += "p";
|
|
}
|
|
}
|
|
#if !FOLLY_LIBRARY_SANITIZE_ADDRESS
|
|
/*
|
|
* Test case disabled when Address Sanitation is on since SSO optimization is
|
|
* disabled when Address Sanitation is enabled
|
|
*/
|
|
TEST(Memory, FBStringMemoryUsage) {
|
|
folly::fbstring test("");
|
|
for (int i = 0; i < 100; i++) {
|
|
char* data = test.data();
|
|
char* stringloc = (char*)(&test);
|
|
bool isSmall =
|
|
data >= stringloc && data < (stringloc + sizeof(folly::fbstring));
|
|
size_t allocated = isSmall ? 0 : test.capacity();
|
|
ASSERT_EQ(
|
|
folly::goodMallocSize(allocated), estimateIndirectMemoryUsage(test));
|
|
test += "p";
|
|
}
|
|
}
|
|
#endif
|