mirror of
https://github.com/greg7mdp/parallel-hashmap.git
synced 2026-08-30 00:50:38 +08:00
Brian McKinnon
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
#ifndef THIS_HASH_MAP
|
|
#define THIS_HASH_MAP parallel_flat_hash_map
|
|
#define THIS_TEST_NAME ParallelFlatHashMap
|
|
#endif
|
|
|
|
#include "flat_hash_map_test.cc"
|
|
|
|
namespace phmap {
|
|
namespace priv {
|
|
namespace {
|
|
|
|
TEST(THIS_TEST_NAME, ThreadSafeContains) {
|
|
// We can't test mutable keys, or non-copyable keys with ThisMap.
|
|
// Test that the nodes have the proper API.
|
|
ThisMap<int, int> m = { {1, 7}, {2, 9} };
|
|
const ThisMap<int, int>& const_m(m);
|
|
|
|
auto val = 0;
|
|
auto get_value = [&val](const int& v) { val = v; };
|
|
EXPECT_TRUE(const_m.if_contains(2, get_value));
|
|
EXPECT_EQ(val, 9);
|
|
|
|
EXPECT_FALSE(m.if_contains(3, get_value));
|
|
|
|
auto set_value = [](int& v) { v = 11; };
|
|
EXPECT_TRUE(m.modify_if(2, set_value));
|
|
EXPECT_EQ(m[2], 11);
|
|
|
|
EXPECT_FALSE(m.modify_if(3, set_value));
|
|
|
|
// overwrite an existing value
|
|
m.try_emplace_l(2, [](int& v) { v = 5; });
|
|
EXPECT_EQ(m[2], 5);
|
|
|
|
// insert a value that is not already present. Will be default initialised to 0 and lambda not called
|
|
m.try_emplace_l(3, [](int& v) { assert(v == 0); /* should not be called when value constructed */ v = 6; });
|
|
EXPECT_EQ(m[3], 0);
|
|
|
|
// insert a value that is not already present, provide argument to value-construct it
|
|
m.try_emplace_l(4, [](int& ) { assert(0); /* should not be called when value constructed */ }, 999);
|
|
EXPECT_EQ(m[4], 999);
|
|
|
|
// insert a value that is not already present.
|
|
m.lazy_emplace_l(5, [](int& v) { assert(0); /* should not be called when value constructed */ v = 6; }, [](const auto& ctor) { ctor(5, 13); });
|
|
EXPECT_EQ(m[5], 13);
|
|
|
|
// change a value that is present
|
|
m.lazy_emplace_l(5, [](int& v) { v = 6; }, [](const auto& ctor) { assert(0); /* should not be called when value exists */ctor(5, 13); });
|
|
EXPECT_EQ(m[5], 6);
|
|
|
|
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace priv
|
|
} // namespace phmap
|