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Fix division by zero when calculating counter percentage #5

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Jan 28, 2020
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Fix division by zero when calculating counter percentage #5

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3 changes: 2 additions & 1 deletion Sources/swift-dcov/Supporting Types/Counter.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,8 @@ struct Counter {
var total: Int { hits + misses }

var percentage: Double {
Double(hits) / Double(total) * 100.0
guard total > 0 else { return 0 }
return Double(hits) / Double(total) * 100.0
}

init(hits: Int = 0, misses: Int = 0) {
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