sync: Add tests for RWMonitor as well

sync/monitor_test.go

@@ -45,3 +45,46 @@ func TestMonitorConcurrent (test *testing.T) {
 		} ()
 	}
 }
+
+func TestRWMonitor (test *testing.T) {
+	mon := NewRWMonitor(9)
+	func () {
+		value, done := mon.Borrow()
+		defer done()
+		test.Log(value)
+		if value != 9 { test.Fatal("not equal") }
+	} ()
+	func () {
+		value, done := mon.BorrowReturn()
+		value += 3
+		defer done(value)
+	} ()
+	func () {
+		value, done := mon.RBorrow()
+		defer done()
+		test.Log(value)
+		if value != 12 { test.Fatal("not equal") }
+	} ()
+	mon.Set(11)
+	func () {
+		value, done := mon.RBorrow()
+		defer done()
+		test.Log(value)
+		if value != 11 { test.Fatal("not equal") }
+	} ()
+}
+
+func TestRWMonitorConcurrent (test *testing.T) {
+	mon := NewRWMonitor(map[int] int { })
+	for index := 0; index < 16; index ++ {
+		go func () {
+			for index := 0; index < 8192; index ++ {
+				func () {
+					value, done := mon.Borrow()
+					defer done()
+					value[rand.Int()] = rand.Int()
+				} ()
+			}
+		} ()
+	}
+}