Improve fee_rate test to kill a mutant
There is a mutant found in `FeeRate` `to_sat_per_kvb_floor` and `ceil`. Add to the existing test so that all 6 to_sat floor and ceil functions are tested.
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@ -384,11 +384,20 @@ mod tests {
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}
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#[test]
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fn raw_feerate() {
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let fee_rate = FeeRate::from_sat_per_kwu(749);
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assert_eq!(fee_rate.to_sat_per_kwu_floor(), 749);
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fn fee_rate_to_sat_per_x() {
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let fee_rate = FeeRate::from_sat_per_mvb(2_000_400);
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// sat/kwu: 2_000_400 / 4_000 = 500.1
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assert_eq!(fee_rate.to_sat_per_kwu_floor(), 500);
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assert_eq!(fee_rate.to_sat_per_kwu_ceil(), 501);
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// sat/vB: 2_000_400 / 1_000_000 = 2.0004
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assert_eq!(fee_rate.to_sat_per_vb_floor(), 2);
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assert_eq!(fee_rate.to_sat_per_vb_ceil(), 3);
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// sat/kvb: 2_000_400 / 1_000 = 2_000.4
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assert_eq!(fee_rate.to_sat_per_kvb_floor(), 2_000);
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assert_eq!(fee_rate.to_sat_per_kvb_ceil(), 2_001);
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}
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#[test]
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