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system-monitor-service: support percentages from bigger numbers

This commit is contained in:
Trent Nelson 2022-01-20 00:43:30 -07:00 committed by mergify[bot]
parent 7ba57e7a7c
commit cca3dbc76d
1 changed files with 9 additions and 2 deletions
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11
core/src/system_monitor_service.rs
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@ -177,11 +177,11 @@ impl SystemMonitorService {
); );
} }
fn calc_percent(numerator: u64, denom: u64) -> f32 { fn calc_percent(numerator: u64, denom: u64) -> f64 {
if denom == 0 { if denom == 0 {
0.0 0.0
} else { } else {
(numerator as f32 / denom as f32) * 100.0 (numerator as f64 / denom as f64) * 100.0
} }
} }
@ -281,4 +281,11 @@ UdpLite: 0 0 0 0 0 0 0 0" as &[u8];
let stats = parse_udp_stats(&mut mock_snmp); let stats = parse_udp_stats(&mut mock_snmp);
assert!(stats.is_err()); assert!(stats.is_err());
} }
#[test]
fn test_calc_percent() {
assert!(SystemMonitorService::calc_percent(99, 100) < 100.0);
let one_tb_as_kb = (1u64 << 40) >> 10;
assert!(SystemMonitorService::calc_percent(one_tb_as_kb - 1, one_tb_as_kb) < 100.0);
}
} }