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Diffstat (limited to 'vespalib/src/tests/time/time_test.cpp')
-rw-r--r-- | vespalib/src/tests/time/time_test.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/vespalib/src/tests/time/time_test.cpp b/vespalib/src/tests/time/time_test.cpp new file mode 100644 index 00000000000..667511f6a94 --- /dev/null +++ b/vespalib/src/tests/time/time_test.cpp @@ -0,0 +1,39 @@ +// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. + +#include <vespa/vespalib/util/time.h> +#include <vespa/vespalib/gtest/gtest.h> +#include <thread> + +using namespace vespalib; + +TEST(TimeTest, steady_time_is_compatible_with_steady_clock) { + steady_time t = steady_clock::now(); + (void) t; +} + +TEST(TimeTest, system_time_is_compatible_with_system_clock) { + system_time t = system_clock::now(); + (void) t; +} + +TEST(TimeTest, timer_can_measure_elapsed_time) { + Timer timer; + std::this_thread::sleep_for(10ms); + auto elapsed = timer.elapsed(); + EXPECT_GE(elapsed, 10ms); + fprintf(stderr, "sleep(10ms) took %ld us\n", count_us(elapsed)); +} + +TEST(TimeTest, double_conversion_works_as_expected) { + EXPECT_EQ(to_s(10ms), 0.010); + EXPECT_EQ(10ms, from_s(0.010)); +} + +TEST(TimeTest, unit_counting_works_as_expected) { + auto d = 3ms + 5us + 7ns; + EXPECT_EQ(count_ns(d), 3005007); + EXPECT_EQ(count_us(d), 3005); + EXPECT_EQ(count_ms(d), 3); +} + +GTEST_MAIN_RUN_ALL_TESTS() |