PS: Add test.

Author: MathiasVP

powershell/ql/test/library-tests/dataflow/local/test.expected

@@ -3,15 +3,24 @@
 | test.ps1:1:7:1:13 | Source | test.ps1:1:1:1:13 | ...=... |
 | test.ps1:2:1:2:9 | Sink | test.ps1:2:1:2:9 | pre-return value for Sink |
 | test.ps1:2:1:2:9 | Sink | test.ps1:2:1:2:9 | pre-return value for Sink |
-| test.ps1:2:1:2:9 | implicit unwrapping of Sink | test.ps1:1:1:8:9 | return value for test.ps1 |
+| test.ps1:2:1:2:9 | implicit unwrapping of Sink | test.ps1:1:1:11:8 | return value for test.ps1 |
 | test.ps1:2:1:2:9 | pre-return value for Sink | test.ps1:2:1:2:9 | implicit unwrapping of Sink |
 | test.ps1:4:1:4:3 | b | test.ps1:5:4:5:6 | b |
 | test.ps1:4:6:4:13 | GetBool | test.ps1:4:1:4:3 | b |
 | test.ps1:4:6:4:13 | GetBool | test.ps1:4:1:4:13 | ...=... |
+| test.ps1:5:4:5:6 | b | test.ps1:10:14:10:16 | b |
 | test.ps1:6:5:6:8 | a2 | test.ps1:8:6:8:9 | a2 |
 | test.ps1:6:11:6:17 | Source | test.ps1:6:5:6:8 | a2 |
 | test.ps1:6:11:6:17 | Source | test.ps1:6:5:6:17 | ...=... |
 | test.ps1:8:1:8:9 | Sink | test.ps1:8:1:8:9 | pre-return value for Sink |
 | test.ps1:8:1:8:9 | Sink | test.ps1:8:1:8:9 | pre-return value for Sink |
-| test.ps1:8:1:8:9 | implicit unwrapping of Sink | test.ps1:1:1:8:9 | return value for test.ps1 |
+| test.ps1:8:1:8:9 | implicit unwrapping of Sink | test.ps1:1:1:11:8 | return value for test.ps1 |
 | test.ps1:8:1:8:9 | pre-return value for Sink | test.ps1:8:1:8:9 | implicit unwrapping of Sink |
+| test.ps1:10:1:10:3 | c | test.ps1:11:6:11:8 | c |
+| test.ps1:10:6:10:16 | [...]... | test.ps1:10:1:10:3 | c |
+| test.ps1:10:6:10:16 | [...]... | test.ps1:10:1:10:16 | ...=... |
+| test.ps1:10:6:10:16 | [...]... | test.ps1:10:6:10:16 | [...]... |
+| test.ps1:11:1:11:8 | Sink | test.ps1:11:1:11:8 | pre-return value for Sink |
+| test.ps1:11:1:11:8 | Sink | test.ps1:11:1:11:8 | pre-return value for Sink |
+| test.ps1:11:1:11:8 | implicit unwrapping of Sink | test.ps1:1:1:11:8 | return value for test.ps1 |
+| test.ps1:11:1:11:8 | pre-return value for Sink | test.ps1:11:1:11:8 | implicit unwrapping of Sink |

powershell/ql/test/library-tests/dataflow/local/test.ps1

@@ -5,4 +5,7 @@ $b = GetBool
 if($b) {
     $a2 = Source
 }
-Sink $a2
+Sink $a2
+
+$c = [string]$b
+Sink $c