test: fix input handling for IOLoop example

src/test/wacc/examples.scala

@@ -39,7 +39,26 @@ class ParallelExamplesSpec extends AnyFlatSpec with BeforeAndAfterAll {
       // Retrieve contents to get input and expected output + exit code
       val contents = scala.io.Source.fromFile(File(filename)).getLines.toList
       val inputLine =
-        contents.find(_.matches("^# ?[Ii]nput:.*$")).map(_.split(":").last.strip).getOrElse("")
+        contents
+          .find(_.matches("^# ?[Ii]nput:.*$"))
+          .map(line =>
+            ("" :: line.split(":").last.strip.split(" ").toList)
+              .sliding(2)
+              .flatMap { arr =>
+                if (
+                    // First entry has no space in front
+                    arr(0) == "" ||
+                      // int followed by non-digit, space can be removed
+                      arr(0).toIntOption.nonEmpty && !arr(1)(0).isDigit ||
+                      // non-int followed by int, space can be removed
+                      !arr(0).last.isDigit && arr(1).toIntOption.nonEmpty
+                  )
+                then List(arr(1))
+                else List(" ", arr(1))
+              }
+              .mkString
+          )
+          .getOrElse("")
       val outputLineIdx = contents.indexWhere(_.matches("^# ?[Oo]utput:.*$"))
       val expectedOutput =
         if (outputLineIdx == -1) ""
@@ -95,7 +114,7 @@ class ParallelExamplesSpec extends AnyFlatSpec with BeforeAndAfterAll {
       // "^.*wacc-examples/valid/if.*$",
       // "^.*wacc-examples/valid/IO/print.*$",
       // "^.*wacc-examples/valid/IO/read.*$",
-      "^.*wacc-examples/valid/IO/IOLoop.wacc.*$",
+      // "^.*wacc-examples/valid/IO/IOLoop.wacc.*$",
       // "^.*wacc-examples/valid/IO/IOSequence.wacc.*$",
       // "^.*wacc-examples/valid/pairs.*$",
       "^.*wacc-examples/valid/runtimeErr.*$",