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Fix TimeValue::now() on Unix.

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TimeValue()::now().toEpochTime() is supposed to be the same as time(),
but it wasn't, because toEpoch subtracted PosixZeroTime, but now()
didn't add PosixZeroTime!
Add a unittest to check this works.

llvm-svn: 94178
This commit is contained in:
Torok Edwin 2010-01-22 15:51:31 +00:00
parent a527ad10cc
commit 46925cc515
2 changed files with 17 additions and 1 deletions
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2
lib/System/Unix/TimeValue.inc
View File

@ -48,7 +48,7 @@ TimeValue TimeValue::now() {
}
return TimeValue(
static_cast<TimeValue::SecondsType>( the_time.tv_sec ),
static_cast<TimeValue::SecondsType>( the_time.tv_sec + PosixZeroTime.seconds_ ),
static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec *
NANOSECONDS_PER_MICROSECOND ) );
}

16
unittests/Support/System.cpp Normal file
View File

@ -0,0 +1,16 @@
//===- llvm/unittest/Support/System.cpp - System tests --===//
#include "gtest/gtest.h"
#include "llvm/System/TimeValue.h"
#include <time.h>
using namespace llvm;
namespace {
class SystemTest : public ::testing::Test {
};
TEST_F(SystemTest, TimeValue) {
sys::TimeValue now = sys::TimeValue::now();
time_t now_t = time(NULL);
EXPECT_TRUE(abs(now_t - now.toEpochTime()) < 2);
}
}