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Datei: Storage.vdmrt Sprache: VDM

Original von: VDM^©

class Storage

types
public  inDataType = nat * nat;

values
startIndex : nat = 1;
destIndex : nat = 2;
batCapIndex : nat = 3;
instance variables
file : IO;
  inputFileName : seq of char := "map.m";
inv inputFileName <> [];
outputFileName : seq of char;
inv outputFileName <> [];
inData : seq of inDataType := [];
public dest : Grid`Point;
public startingPoint : Grid`Point;
public battery : nat;
inv battery >= 0;
counter : nat;
public fields : nat; -- used as support in test

inv startIndex > 0 and destIndex > 0 and batCapIndex > 0;
operations

public Storage : () ==> Storage
Storage() ==
(
   battery := 0;
   file := new IO();
   startingPoint := mk_Grid`Point(0,0);
   outputFileName:= "TestRun.txt";
   fields := 0;
);

  public Load : seq of char ==> Grid
Load(newFileName) ==
(
   inputFileName := newFileName;
   file := new IO();
   def mk_ (-,input) = file.freadval[seq of inDataType]( inputFileName) in
   inData := input;

    return SetData(inData);
)
pre newFileName <> [];

private SetData : seq of inDataType ==> Grid
SetData(data) ==
(
   def g = new Grid(mk_Grid`Point(0,0),mk_Grid`Point(100,100))
   in
   (
   startingPoint := mk_Grid`Point(data(startIndex).#1, data(startIndex).#2);
   dest := mk_Grid`Point(data(destIndex).#1,data(destIndex).#2);
   battery := (inData(batCapIndex).#1);
   fields := len data - 2; --just for test
  let obsticales = { mk_Grid`Point(data(i).#1,inData(i).#2) |-> <Occupied>
                   | i in set {4, ...,len data}}
     in g.SetPointMP(obsticales);
   return g;
   )

)
pre startIndex in set inds (data) and
     destIndex in set inds (data) and
     batCapIndex in set inds (data);

public Save : Grid * seq of SteeringController`Route * Grid`Point * bool ==> ()
Save(g, routes,dest,b) ==
(
   PrintLine("#--START--#");
   PrintLine("#--Start Successfull Destination--#");
   def - = file.fwriteval[bool * Grid`Point]
                         (outputFileName,mk_(b, dest),<append>)
   in skip;   PrintLine("#--End Successfull Destination--#");
   PrintLine("#--Start Grid--#");
   for all x in set dom g.points
   do
   (
           WriteMap(x,g.points(x));
   );
   PrintLine("#--End Grid--#");
    for all x in set inds routes
   do
   (
     PrintLine("#--Start Route--#");
      PrintInt(x);
     WriteRoute(routes(x));
     PrintLine("#--End Reoute Grid--#");
   );
   PrintLine("#--END--#");
);

private WriteMap: Grid`Point * Grid`PointAvalibility ==> ()
WriteMap(g,p) ==
(
  file := new IO();
  def - = file.fwriteval[Grid`Point * Grid`PointAvalibility]
                        (outputFileName,mk_(g,p),<append>) in skip;
);

private WriteRoute: SteeringController`Route ==> ()
WriteRoute(r) ==
(
  file := new IO();
  for all x in set inds r
  do(
      def - = file.fwriteval[Grid`Point]( outputFileName,(r(x)),<append>)
      in skip;
     );

);

private PrintInt: nat ==> ()
PrintInt(i) ==
(
  file := new IO();
  def - = file.fwriteval[nat]( outputFileName,i,<append>) in skip;
);

private PrintLine: seq of char  ==> ()
PrintLine (line) ==
(
  file := new IO();
  def - = file.fwriteval[seq of char]( outputFileName,line,<append>) in skip;
);

end Storage

class StorageTest is subclass of TestCase

instance variables
private completeGrid : Grid;

values

operations

public StorageTest : seq of char ==> StorageTest
StorageTest(name) == TestCase(name);

protected SetUp: () ==> ()
SetUp () == skip;

protected RunTest: () ==> ()
RunTest () ==
    (
      dcl tc : Storage:= new Storage();
        completeGrid := tc.Load("testmap.txt");
     AssertTrue(tc.fields = card dom completeGrid.points);
      AssertTrue(tc.startingPoint = mk_Grid`Point(0,0));
      AssertTrue(tc.dest = mk_Grid`Point(10,10));

      AssertTrue(<Occupied> = completeGrid.GetPointAvalibility(1,1));
      AssertTrue(<Occupied> = completeGrid.GetPointAvalibility(2,2));
      AssertTrue(<Occupied> = completeGrid.GetPointAvalibility(3,3));
      AssertTrue(<Occupied> = completeGrid.GetPointAvalibility(4,4));
   );


  protected TearDown: () ==> ()
TearDown () == skip

end StorageTest

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