Show a 100% coverage for empty functions/methods (#19)

Fixes #16

Author: Mathias M

CHANGELOG.md

@@ -1,4 +1,5 @@
 v 1.1.1
+  - Show a 100% coverage for empty functions/methods. #16
   - Update project layout and show program version. #17
 
 v 1.1

pkg/cov/const.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Mathias Monnerville
+// Copyright (c) 2013-2022 Mathias Monnerville
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to

pkg/cov/report.go

@@ -23,14 +23,15 @@ package cov
 import (
 	"encoding/json"
 	"fmt"
-	"github.com/axw/gocov"
 	"io"
 	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
 	"text/tabwriter"
 	"time"
+
+	"github.com/axw/gocov"
 )
 
 func unmarshalJson(data []byte) (packages []*gocov.Package, err error) {
@@ -221,6 +222,8 @@ func printPackage(w io.Writer, r *report, rp reportPackage) {
 		var stmtPercent float64 = 0
 		if len(fn.Statements) > 0 {
 			stmtPercent = float64(reached) / float64(len(fn.Statements)) * 100
+		} else if len(fn.Statements) == 0 {
+			stmtPercent = 100
 		}
 		fmt.Fprintf(w, "<tr id=\"s_fn_%s\"><td><code><a href=\"#fn_%s\">%s(...)</a></code></td><td><code>%s/%s</code></td><td class=\"percent\"><code>%.2f%%</code></td><td class=\"linecount\"><code>%d/%d</code></td></tr>\n",
 			fn.Name, fn.Name, fn.Name, rp.pkg.Name, filepath.Base(fn.File), stmtPercent,