Kotlin: Add more taint tests

Author: igfoo

java/ql/test-kotlin1/library-tests/dataflow/foreach/C2.kt

@@ -16,4 +16,15 @@ class C2 {
             sink(s)
         }
     }
+
+    fun test2() {
+        val l1 = arrayOf("")
+        val l2 = arrayOf("")
+        l1[0] = taint("a")
+        l2.set(0, taint("a"))
+        sink(l1[0])
+        sink(l2[0])
+        sink(l1.get(0))
+        sink(l2.get(0))
+    }
 }

java/ql/test-kotlin1/library-tests/dataflow/foreach/test.expected

@@ -7,3 +7,7 @@
 | C2.kt:8:32:8:32 | "a" | C2.kt:11:14:11:21 | get(...) |
 | C2.kt:8:32:8:32 | "a" | C2.kt:13:18:13:21 | ...[...] |
 | C2.kt:8:32:8:32 | "a" | C2.kt:16:18:16:18 | s |
+| C2.kt:23:24:23:24 | "a" | C2.kt:25:14:25:18 | ...[...] |
+| C2.kt:23:24:23:24 | "a" | C2.kt:27:14:27:22 | get(...) |
+| C2.kt:24:26:24:26 | "a" | C2.kt:26:14:26:18 | ...[...] |
+| C2.kt:24:26:24:26 | "a" | C2.kt:28:14:28:22 | get(...) |