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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespamalloc/malloc/allocchunk.h>
TEST("verify lock freeness of atomics"){
{
std::atomic<uint32_t> uint32V;
ASSERT_TRUE(uint32V.is_lock_free());
}
{
std::atomic<uint64_t> uint64V;
ASSERT_TRUE(uint64V.is_lock_free());
}
{
std::atomic<vespamalloc::TaggedPtr> taggedPtr;
ASSERT_EQUAL(16u, sizeof(vespamalloc::TaggedPtr));
#if __GNUC__ < 7
// See https://gcc.gnu.org/ml/gcc-patches/2017-01/msg02344.html for background
ASSERT_TRUE(taggedPtr.is_lock_free());
#else
ASSERT_FALSE(taggedPtr.is_lock_free());
#endif
}
}
TEST_MAIN() { TEST_RUN_ALL(); }
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