Basic Kotlin tests completed

Author: MarioAriasC

language-adaptors/rxjava-kotlin/src/main/kotlin/rx/lang/kotlin/namespace.kt

@@ -5,7 +5,11 @@ import rx.Observer
 import rx.Observable
 
 public fun<T> Function1<Observer<in T>, Subscription>.asObservable(): Observable<T> {
-    return Observable.create{ this(it!!) }!!
+    return Observable.create { this(it!!) }!!
+}
+
+public fun<T> Function0<Observable<out T>>.defer(): Observable<T> {
+    return Observable.defer(this)!!
 }
 
 public fun<T> Iterable<T>.asObservable(): Observable<T> {
@@ -15,3 +19,31 @@ public fun<T> Iterable<T>.asObservable(): Observable<T> {
 public fun<T> T.asObservable(): Observable<T> {
     return Observable.from(this)!!
 }
+
+public fun<T> Throwable.asObservable(): Observable<T> {
+    return Observable.error(this)!!
+}
+
+public fun<T> Pair<T, T>.asObservable(): Observable<T> {
+    return Observable.from(this.component1(), this.component2())!!
+}
+
+public fun<T> Triple<T, T, T>.asObservable(): Observable<T> {
+    return Observable.from(this.component1(), this.component2(), this.component3())!!
+}
+
+public fun<T> Pair<Observable<T>, Observable<T>>.merge(): Observable<T> {
+    return Observable.merge(this.component1(), this.component2())!!
+}
+
+public fun<T> Triple<Observable<T>, Observable<T>, Observable<T>>.merge(): Observable<T> {
+    return Observable.merge(this.component1(), this.component2(), this.component3())!!
+}
+
+public fun<T> Pair<Observable<T>, Observable<T>>.mergeDelayError(): Observable<T> {
+    return Observable.mergeDelayError(this.component1(), this.component2())!!
+}
+
+public fun<T> Triple<Observable<T>, Observable<T>, Observable<T>>.mergeDelayError(): Observable<T> {
+    return Observable.mergeDelayError(this.component1(), this.component2(), this.component3())!!
+}