adding min function

osref · Nov 6, 2013 · e333f08 · e333f08
1 parent 49c6217
commit e333f08
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Showing 2 changed files with 20 additions and 0 deletions.
diff --git a/util.go b/util.go
@@ -10,3 +10,11 @@ func randomTimeout(minVal time.Duration) <-chan time.Time {
  extra := (time.Duration(rand.Int63()) % minVal)
  return time.After(minVal + extra)
 }
+
+// min returns the minimum.
+func min(a, b uint64) uint64 {
+ if a <= b {
+ return a
+ }
+ return b
+}
diff --git a/util_test.go b/util_test.go
@@ -19,3 +19,15 @@ func TestRandomTimeout(t *testing.T) {
  t.Fatalf("timeout")
  }
 }
+
+func TestMin(t *testing.T) {
+ if min(1, 1) != 1 {
+ t.Fatalf("bad min")
+ }
+ if min(2, 1) != 1 {
+ t.Fatalf("bad min")
+ }
+ if min(1, 2) != 1 {
+ t.Fatalf("bad min")
+ }
+}