1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright Contributors to the Kokkos project
#include <gtest/gtest.h>
#include <Kokkos_Timer.hpp>
#include <thread>
#include <type_traits>
#include <utility>
namespace {
TEST(TEST_CATEGORY, timer) {
using namespace std::chrono_literals;
Kokkos::Timer t;
std::this_thread::sleep_for(5ms);
auto elapsed = t.seconds();
EXPECT_GE(elapsed, .005);
EXPECT_LT(elapsed, 1.);
std::this_thread::sleep_for(10ms);
auto elapsed2 = std::as_const(t).seconds();
EXPECT_GE(elapsed2, .015);
EXPECT_GT(elapsed2, elapsed);
t.reset();
std::this_thread::sleep_for(5ms);
auto elapsed3 = t.seconds();
EXPECT_GE(elapsed3, .005);
// Using the line below turned out to be problematic since there is no
// guaranteed upper bound for the time std::this_thread::sleep_for is
// blocking for.
// EXPECT_LT(elapsed3, elapsed2);
}
static_assert(!std::is_copy_constructible_v<Kokkos::Timer>);
static_assert(!std::is_move_constructible_v<Kokkos::Timer>);
static_assert(!std::is_copy_assignable_v<Kokkos::Timer>);
static_assert(!std::is_move_assignable_v<Kokkos::Timer>);
} // namespace
|
