diff --git a/pkging/waretest/suite.go b/pkging/waretest/suite.go
index c8b4e52..2ee141c 100644
--- a/pkging/waretest/suite.go
+++ b/pkging/waretest/suite.go
@@ -302,10 +302,6 @@ func (s Suite) Test_Parse(t *testing.T) {
 	}
 }
 
-func (s Suite) Test_ReadFile(t *testing.T) {
-	panic("not implemented")
-}
-
 func (s Suite) Test_Stat_Error(t *testing.T) {
 	r := require.New(t)
 
@@ -420,3 +416,45 @@ func (s Suite) Test_Stat_File(t *testing.T) {
 func (s Suite) Test_Walk(t *testing.T) {
 	panic("not implemented")
 }
+
+func (s Suite) Test_ReadFile(t *testing.T) {
+	r := require.New(t)
+
+	cur, err := s.Current()
+	r.NoError(err)
+
+	ip := cur.ImportPath
+	table := []struct {
+		in string
+	}{
+		{in: mould},
+		{in: ":" + mould},
+		{in: ip + ":" + mould},
+		{in: hart},
+	}
+
+	for _, tt := range table {
+		t.Run(tt.in, func(st *testing.T) {
+
+			r := require.New(st)
+
+			pt, err := s.Parse(tt.in)
+			r.NoError(err)
+
+			r.NoError(s.RemoveAll(pt.String()))
+			r.NoError(s.MkdirAll(filepath.Dir(pt.Name), 0755))
+
+			f, err := s.Create(tt.in)
+			r.NoError(err)
+
+			body := "!" + pt.String()
+			_, err = io.Copy(f, strings.NewReader(body))
+			r.NoError(err)
+			r.NoError(f.Close())
+
+			b, err := s.ReadFile(tt.in)
+			r.NoError(err)
+			r.Equal(body, string(b))
+		})
+	}
+}