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Fix GetProperty() test

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Summary:
GetProperty test is flakey.
Before this diff: P8635927
After: P8635945

We need to make sure the thread is done before we destruct sleeping tasks. Otherwise, bad things happen.

Test Plan: See summary

Reviewers: ljin, sdong, haobo, dhruba

Reviewed By: ljin

CC: leveldb

Differential Revision: https://reviews.facebook.net/D17595
This commit is contained in:
Igor Canadi 2014-04-08 14:57:00 -07:00
parent 34455deb06
commit 731e55c01c
1 changed files with 13 additions and 1 deletions
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14
db/db_test.cc
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@ -2255,18 +2255,27 @@ TEST(DBTest, NumImmutableMemTable) {
class SleepingBackgroundTask {
public:
SleepingBackgroundTask() : bg_cv_(&mutex_), should_sleep_(true) {}
SleepingBackgroundTask()
: bg_cv_(&mutex_), should_sleep_(true), done_with_sleep_(false) {}
void DoSleep() {
MutexLock l(&mutex_);
while (should_sleep_) {
bg_cv_.Wait();
}
done_with_sleep_ = true;
bg_cv_.SignalAll();
}
void WakeUp() {
MutexLock l(&mutex_);
should_sleep_ = false;
bg_cv_.SignalAll();
}
void WaitUntilDone() {
MutexLock l(&mutex_);
while (!done_with_sleep_) {
bg_cv_.Wait();
}
}
static void DoSleepTask(void* arg) {
reinterpret_cast<SleepingBackgroundTask*>(arg)->DoSleep();
@ -2276,6 +2285,7 @@ class SleepingBackgroundTask {
port::Mutex mutex_;
port::CondVar bg_cv_; // Signalled when background work finishes
bool should_sleep_;
bool done_with_sleep_;
};
TEST(DBTest, GetProperty) {
@ -2327,6 +2337,7 @@ TEST(DBTest, GetProperty) {
ASSERT_EQ(num, "0");
sleeping_task_high.WakeUp();
sleeping_task_high.WaitUntilDone();
dbfull()->TEST_WaitForFlushMemTable();
ASSERT_OK(dbfull()->Put(writeOpt, "k4", big_value));
@ -2337,6 +2348,7 @@ TEST(DBTest, GetProperty) {
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.compaction-pending", &num));
ASSERT_EQ(num, "1");
sleeping_task_low.WakeUp();
sleeping_task_low.WaitUntilDone();
}
TEST(DBTest, FLUSH) {