Add test

Author: smowton

java/ql/test/kotlin/library-tests/function-n/test.expected

@@ -0,0 +1,3 @@
+| test.kt:4:5:4:138 | f1 | FunctionN<String> | String |
+| test.kt:5:5:5:134 | f2 | FunctionN<T1> | T1 |
+| test.kt:6:5:6:110 | f3 | FunctionN<T3> | T3 |

java/ql/test/kotlin/library-tests/function-n/test.kt

@@ -0,0 +1,8 @@
+class TakesLambdas {
+
+  fun <T1, T2, T3> test(
+    f1: (Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int) -> String,
+    f2: (Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int, Int) -> T1,
+    f3: (T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2, T2) -> T3) { }
+
+}

java/ql/test/kotlin/library-tests/function-n/test.ql

@@ -0,0 +1,5 @@
+import java
+
+from Parameter p
+where p.getCallable().fromSource()
+select p, p.getType().toString(), p.getType().(ParameterizedType).getATypeArgument().toString()