@@ -103,3 +103,63 @@ func TestRecordAttributes(t *testing.T) {
103103 }
104104 })
105105}
106+
107+ func TestRecordAllocationLimits (t * testing.T ) {
108+ const runs = 5
109+
110+ // Assign testing results to external scope so the compiler doesn't
111+ // optimize away the testing statements.
112+ var (
113+ tStamp time.Time
114+ sev log.Severity
115+ text string
116+ body log.Value
117+ n int
118+ attr log.KeyValue
119+ )
120+
121+ assert .Equal (t , 0.0 , testing .AllocsPerRun (runs , func () {
122+ var r log.Record
123+ r .SetTimestamp (y2k )
124+ tStamp = r .Timestamp ()
125+ }), "Timestamp" )
126+
127+ assert .Equal (t , 0.0 , testing .AllocsPerRun (runs , func () {
128+ var r log.Record
129+ r .SetObservedTimestamp (y2k )
130+ tStamp = r .ObservedTimestamp ()
131+ }), "ObservedTimestamp" )
132+
133+ assert .Equal (t , 0.0 , testing .AllocsPerRun (runs , func () {
134+ var r log.Record
135+ r .SetSeverity (log .SeverityDebug )
136+ sev = r .Severity ()
137+ }), "Severity" )
138+
139+ assert .Equal (t , 0.0 , testing .AllocsPerRun (runs , func () {
140+ var r log.Record
141+ r .SetSeverityText ("severity text" )
142+ text = r .SeverityText ()
143+ }), "SeverityText" )
144+
145+ bodyVal := log .BoolValue (true )
146+ assert .Equal (t , 0.0 , testing .AllocsPerRun (runs , func () {
147+ var r log.Record
148+ r .SetBody (bodyVal )
149+ body = r .Body ()
150+ }), "Body" )
151+
152+ attrVal := []log.KeyValue {log .Bool ("k" , true ), log .Int ("i" , 1 )}
153+ assert .Equal (t , 0.0 , testing .AllocsPerRun (runs , func () {
154+ var r log.Record
155+ r .AddAttributes (attrVal ... )
156+ n = r .AttributesLen ()
157+ r .WalkAttributes (func (kv log.KeyValue ) bool {
158+ attr = kv
159+ return true
160+ })
161+ }), "Attributes" )
162+
163+ // Convince the linter these values are used.
164+ _ , _ , _ , _ , _ , _ = tStamp , sev , text , body , n , attr
165+ }
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