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Add test for Profiler::get_statistics, and remove empty space around Profiler::get_statistics.
Profiler::get_statistics calculates mean, median, min, and max for a given vector of data. This commit adds a test for the calculated statistics.
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6230911330
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2 changed files with 22 additions and 3 deletions
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@ -327,8 +327,7 @@ impl Profiler {
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true
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}
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fn get_statistics(data: &[f64]) -> (f64, f64, f64, f64) {
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pub fn get_statistics(data: &[f64]) -> (f64, f64, f64, f64) {
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let data_len = data.len();
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let (mean, median, min, max) =
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(data.iter().sum::<f64>() / (data_len as f64),
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@ -338,7 +337,6 @@ impl Profiler {
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(mean, median, min, max)
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}
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fn print_buckets(&mut self) {
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match self.output {
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Some(OutputOptions::FileName(ref filename)) => {
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@ -15,3 +15,24 @@ fn time_profiler_smoke_test() {
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chan.send(ProfilerMsg::Exit(ipcchan));
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assert!(true, "Can tell the profiler thread to exit");
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}
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#[test]
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fn time_profilers_stats_test() {
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let even_data = vec![1.234, 3.24567, 3.54578, 5.0, 5.324, 7.345, \
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9.2345, 10.2342345, 13.2599, 15.0];
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let (even_mean, even_median, even_min, even_max) = time::Profiler::get_statistics(&even_data);
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assert_eq!(7.34230845, even_mean);
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assert_eq!(7.345, even_median);
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assert_eq!(1.234, even_min);
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assert_eq!(15.0, even_max);
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let odd_data = vec![1.234, 3.24567, 3.54578, 5.0, 5.324, 7.345, \
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9.2345, 10.2342345, 13.2599];
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let (odd_mean, odd_median, odd_min, odd_max) = time::Profiler::get_statistics(&odd_data);
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assert_eq!(6.491453833333334, odd_mean);
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assert_eq!(5.324, odd_median);
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assert_eq!(1.234, odd_min);
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assert_eq!(13.2599, odd_max);
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}
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