60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
#include <thread>
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#include <gtest/gtest.h>
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#include <utils/memory_tracker.hpp>
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#include <utils/on_scope_exit.hpp>
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TEST(MemoryTrackerTest, ExceptionEnabler) {
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utils::MemoryTracker memory_tracker;
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constexpr size_t hard_limit = 10;
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memory_tracker.SetHardLimit(hard_limit);
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std::atomic<bool> can_continue{false};
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std::atomic<bool> enabler_created{false};
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std::thread t1{[&] {
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// wait until the second thread creates exception enabler
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while (!enabler_created)
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;
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// we use the OnScopeExit so the test doesn't deadlock when
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// an ASSERT fails
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utils::OnScopeExit thread_notifier{[&] {
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// tell the second thread it can finish its test
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can_continue = true;
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}};
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ASSERT_NO_THROW(memory_tracker.Alloc(hard_limit + 1));
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}};
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std::thread t2{[&] {
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utils::MemoryTracker::OutOfMemoryExceptionEnabler exception_enabler;
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enabler_created = true;
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ASSERT_THROW(memory_tracker.Alloc(hard_limit + 1), utils::OutOfMemoryException);
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// hold the enabler until the first thread finishes
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while (!can_continue)
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;
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}};
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t1.join();
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t2.join();
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}
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TEST(MemoryTrackerTest, ExceptionBlocker) {
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utils::MemoryTracker memory_tracker;
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constexpr size_t hard_limit = 10;
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memory_tracker.SetHardLimit(hard_limit);
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utils::MemoryTracker::OutOfMemoryExceptionEnabler exception_enabler;
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{
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utils::MemoryTracker::OutOfMemoryExceptionBlocker exception_blocker;
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ASSERT_NO_THROW(memory_tracker.Alloc(hard_limit + 1));
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ASSERT_EQ(memory_tracker.Amount(), hard_limit + 1);
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}
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ASSERT_THROW(memory_tracker.Alloc(hard_limit + 1), utils::OutOfMemoryException);
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}
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