add a small rated net unit test

app/src/androidTest/java/net/pokeranalytics/android/unitTests/StatsInstrumentedUnitTest.kt

@@ -9,6 +9,7 @@ import net.pokeranalytics.android.calculus.ComputableGroup
 import net.pokeranalytics.android.calculus.ComputedResults
 import net.pokeranalytics.android.calculus.Stat
 import net.pokeranalytics.android.model.realm.*
+import net.pokeranalytics.android.model.realm.Currency
 import org.junit.Assert
 import org.junit.Assert.assertEquals
 import org.junit.Test
@@ -619,4 +620,48 @@ class StatsInstrumentedUnitTest : RealmInstrumentedUnitTest() {
 
 	}
 
+
+	@Test
+	fun testRatedNetResultSessions() {
+
+		val realm = this.mockRealm
+		realm.beginTransaction()
+
+		val s1 = newSessionInstance(realm)
+		val s2 = newSessionInstance(realm)
+
+		val b1 = realm.createObject(Bankroll::class.java, "1")
+		val b2 = realm.createObject(Bankroll::class.java, "2")
+
+		val c1 = realm.createObject(Currency::class.java, "1")
+		val c2 = realm.createObject(Currency::class.java, "2")
+
+		c1.rate = 0.5
+		c2.rate = 1.0
+		b1.currency = c1
+		b2.currency = c2
+		s1.bankroll = b1
+		s2.bankroll = b2
+		s1.result?.netResult = 100.0
+		s2.result?.netResult = 200.0
+
+		realm.insert(s1)
+		realm.insert(s2)
+
+		realm.copyToRealmOrUpdate(s1)
+		realm.copyToRealmOrUpdate(s2)
+
+		realm.commitTransaction()
+
+		val computableResults = realm.where(ComputableResult::class.java).findAll()
+		val sets = realm.where(SessionSet::class.java).findAll()
+		val stats: List<Stat> = listOf(Stat.NETRESULT)
+		val group = ComputableGroup("test", computableResults, sets, stats)
+		val options = Calculator.Options()
+		val results: ComputedResults = Calculator.compute(group, options)
+
+		val netResult = results.computedStat(Stat.NETRESULT)
+		Assert.assertEquals(250.0, netResult?.value)
+	}
+
 }