PS: Add loop CFG tests.

Author: MathiasVP

powershell/ql/test/library-tests/controlflow/graph/Cfg.expected

@@ -28,7 +28,7 @@ functions.ps1:
 #-----|  -> number1
 
 #    3| param(...)
-#-----|  -> ...|...
+#-----|  -> ...+...
 
 #    3| {...}
 #-----|  -> exit {...} (normal)
@@ -48,7 +48,7 @@ functions.ps1:
 #    8| ...+...
 #-----|  -> {...}
 
-#    8| ...|...
+#    8| ...+...
 #-----|  -> ...+...
 
 #    8| number2
@@ -92,7 +92,7 @@ functions.ps1:
 #-----|  -> name0
 
 #   14| param(...)
-#-----|  -> ...|...
+#-----|  -> ...+...
 
 #   14| {...}
 #-----|  -> exit {...} (normal)
@@ -127,7 +127,7 @@ functions.ps1:
 #   19| ...+...
 #-----|  -> {...}
 
-#   19| ...|...
+#   19| ...+...
 #-----|  -> ...+...
 
 #   19| name2
@@ -196,7 +196,7 @@ functions.ps1:
 
 #   44| {...}
 #-----|  -> sum
-#-----|  -> ...|...
+#-----|  -> sum
 
 #   46| sum
 #-----|  -> _
@@ -213,15 +213,15 @@ functions.ps1:
 #   48| {...}
 #-----|  -> exit {...} (normal)
 
-#   50| ...|...
-#-----|  -> sum
-
 #   50| sum
 #-----|  -> sum
 
 #   50| sum
 #-----|  -> {...}
 
+#   50| sum
+#-----|  -> sum
+
 global.ps1:
 #    1| {...}
 #-----|  -> c
@@ -281,3 +281,152 @@ global.ps1:
 
 #    6| b
 #-----|  -> ...+...
+
+loops.ps1:
+#    1| Test-While
+#-----|  -> Test-Break
+
+#    1| enter loops.ps1
+#-----|  -> loops.ps1
+
+#    1| exit loops.ps1
+
+#    1| exit loops.ps1 (normal)
+#-----|  -> exit loops.ps1
+
+#    1| loops.ps1
+#-----|  -> Test-While
+
+#    1| {...}
+#-----|  -> exit loops.ps1 (normal)
+
+#    1| enter {...}
+#-----|  -> {...}
+
+#    1| {...}
+#-----|  -> a
+
+#    2| a
+#-----|  -> 0
+
+#    2| ...=...
+
+#    2| 0
+#-----|  -> ...=...
+
+#    2| 0
+#-----|  -> 0
+
+#    9| Test-Break
+#-----|  -> Test-Continue
+
+#    9| enter {...}
+#-----|  -> {...}
+
+#    9| {...}
+#-----|  -> a
+
+#   10| a
+#-----|  -> 0
+
+#   10| ...=...
+
+#   10| 0
+#-----|  -> ...=...
+
+#   10| 0
+#-----|  -> 0
+
+#   17| Test-Continue
+#-----|  -> Test-DoWhile
+
+#   17| enter {...}
+#-----|  -> {...}
+
+#   17| {...}
+#-----|  -> a
+
+#   18| a
+#-----|  -> 0
+
+#   18| ...=...
+
+#   18| 0
+#-----|  -> ...=...
+
+#   18| 0
+#-----|  -> 0
+
+#   25| Test-DoWhile
+#-----|  -> Test-DoUntil
+
+#   25| enter {...}
+#-----|  -> {...}
+
+#   25| {...}
+#-----|  -> a
+
+#   26| a
+#-----|  -> 0
+
+#   26| ...=...
+
+#   26| 0
+#-----|  -> ...=...
+
+#   26| 0
+#-----|  -> 0
+
+#   33| Test-DoUntil
+#-----|  -> Tet-For
+
+#   33| enter {...}
+#-----|  -> {...}
+
+#   33| {...}
+#-----|  -> a
+
+#   34| a
+#-----|  -> 0
+
+#   34| ...=...
+
+#   34| 0
+#-----|  -> ...=...
+
+#   34| 0
+#-----|  -> 0
+
+#   41| Tet-For
+#-----|  -> Test-ForEach
+
+#   41| enter {...}
+#-----|  -> {...}
+
+#   41| {...}
+#-----|  -> a
+
+#   42| a
+#-----|  -> 0
+
+#   42| ...=...
+
+#   42| 0
+#-----|  -> ...=...
+
+#   42| 0
+#-----|  -> 0
+
+#   49| Test-ForEach
+#-----|  -> {...}
+
+#   49| enter {...}
+#-----|  -> {...}
+
+#   49| {...}
+#-----|  -> letterArray
+
+#   50| letterArray
+#-----|  -> ...,...
+
+#   50| ...,...

powershell/ql/test/library-tests/controlflow/graph/loops.ps1

@@ -0,0 +1,56 @@
+function Test-While {
+    $a = 0
+
+    while($a -le 10) {
+        $a = $a + 1
+    }
+}
+
+function Test-Break {
+    $a = 0
+    while($a -le 10) {
+        break
+        $a = $a + 1
+    }
+}
+
+function Test-Continue {
+    $a = 0
+    while($a -le 10) {
+        continue
+        $a = $a + 1
+    }
+}
+
+function Test-DoWhile {
+    $a = 0
+
+    do {
+        $a = $a + 1
+    } while ($a -le 10)
+}
+
+function Test-DoUntil {
+    $a = 0
+
+    do {
+        $a = $a + 1
+    } until ($a -ge 10)
+}
+
+function Tet-For {
+    $a = 0
+
+    for ($i = 0; $i -le 10; $i = $i + 1) {
+        $a = $a + 1
+    }
+}
+
+function Test-ForEach {
+    $letterArray = 'a','b','c','d'
+    $a = 0
+    foreach ($letter in $letterArray)
+    {
+        $a = $a + 1
+    }
+}