mirror of https://github.com/catchorg/Catch2.git
Timer resolution is now nanoseconds
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@ -12,8 +12,8 @@
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namespace Catch {
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namespace Catch {
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auto getCurrentMicrosecondsSinceEpoch() -> uint64_t {
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auto getCurrentNanosecondsSinceEpoch() -> uint64_t {
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return std::chrono::duration_cast<std::chrono::microseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
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return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
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}
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}
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} // namespace Catch
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} // namespace Catch
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@ -12,16 +12,19 @@
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namespace Catch {
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namespace Catch {
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auto getCurrentMicrosecondsSinceEpoch() -> uint64_t;
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auto getCurrentNanosecondsSinceEpoch() -> uint64_t;
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class Timer {
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class Timer {
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uint64_t m_microSeconds = 0;
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uint64_t m_nanoseconds = 0;
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public:
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public:
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void start() {
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void start() {
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m_microSeconds = getCurrentMicrosecondsSinceEpoch();
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m_nanoseconds = getCurrentNanosecondsSinceEpoch();
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}
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auto getElapsedNanoseconds() const -> unsigned int {
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return static_cast<unsigned int>(getCurrentNanosecondsSinceEpoch() - m_nanoseconds);
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}
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}
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auto getElapsedMicroseconds() const -> unsigned int {
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auto getElapsedMicroseconds() const -> unsigned int {
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return static_cast<unsigned int>(getCurrentMicrosecondsSinceEpoch() - m_microSeconds);
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return static_cast<unsigned int>(getElapsedNanoseconds()/1000);
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}
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}
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auto getElapsedMilliseconds() const -> unsigned int {
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auto getElapsedMilliseconds() const -> unsigned int {
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return static_cast<unsigned int>(getElapsedMicroseconds()/1000);
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return static_cast<unsigned int>(getElapsedMicroseconds()/1000);
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