arnekeller/kit-programmieren-ws1920-final1
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Change silly edge case behaviour

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This commit is contained in:
Arne Keller 2020-02-25 14:58:14 +01:00
parent 0970bfb978
commit 68b28f3c37
6 changed files with 47 additions and 5 deletions
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2
basics_input.txt
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@ -19,7 +19,7 @@ add train 1 T1-Alpha
add train 2 T1-Beta
put train 1 at (0,5) in direction 0,1
put train 2 at (0,0) in direction 1,0
step 1
step 6
put train 1 at (0,0) in direction 0,-1
set switch 3 position (0,0)
put train 1 at (0,0) in direction 0,-1

3
basics_output.txt
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@ -23,7 +23,8 @@ steam engine T1-Alpha added to train 1
electrical engine T1-Beta added to train 2
OK
OK
Crash of train 1,2
Crash of train 1
Crash of train 2
OK
OK
OK

5
src/edu/kit/informatik/MainTest.java
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@ -93,6 +93,11 @@ class MainTest {
cmpInOut("testcoverage_input.txt", "testcoverage_output.txt");
}
@Test
void oneLengthDerailEdgecase() throws IOException {
cmpInOut("train_one_length_input.txt", "train_one_length_output.txt");
}
private void cmpInOut(String in, String out) throws IOException {
System.setIn(new ByteArrayInputStream(readFile(in)));
ByteArrayOutputStream output = new ByteArrayOutputStream();

12
src/edu/kit/informatik/model/TrainManager.java
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@ -236,7 +236,12 @@ public final class TrainManager {
|| train.isOnPosition(nextPosition) && !train.getRearPosition().equals(train.getFrontPosition())) {
collisions.add(new HashSet<>(Arrays.asList(train)));
train.removeFromRails();
// see https://ilias.studium.kit.edu/goto.php?target=frm_996924_138875&client_id=produktiv
if (train.getLength() > 1) {
nextOccupiedRails.put(train, occupiedRails.get(train));
} else {
nextOccupiedRails.put(train, null);
}
} else {
train.moveTo(railNetwork, nextPosition);
train.setDirection(direction);
@ -266,7 +271,12 @@ public final class TrainManager {
|| train.isOnPosition(nextPosition) && !train.getRearPosition().equals(train.getFrontPosition())) {
collisions.add(new HashSet<>(Arrays.asList(train)));
train.removeFromRails();
// see https://ilias.studium.kit.edu/goto.php?target=frm_996924_138875&client_id=produktiv
if (train.getLength() > 1) {
nextOccupiedRails.put(train, occupiedRails.get(train));
} else {
nextOccupiedRails.put(train, null);
}
} else {
train.moveBackTo(railNetwork, nextPosition);
train.setDirection(front.subtract(train.getFrontPosition()));
@ -297,7 +307,7 @@ public final class TrainManager {
trains.values().stream().filter(x -> x != train).forEach(otherTrain -> {
Set<Rail> occupiedByOtherTrainPreviously = occupiedRails.get(otherTrain);
Set<Rail> occupiedByOtherTrain = nextOccupiedRails.get(otherTrain);
// if train did not occupy any rails (it is not placed)
// if train did not occupy any rails (it is not placed, or just derailed with length 1)
if (occupiedByOtherTrain == null) {
// skip
return;

13
train_one_length_input.txt Normal file
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@ -0,0 +1,13 @@
add track (0,0) -> (5,0)
add track (5,0) -> (10,0)
create engine diesel T6 Lux 1 true true
create engine diesel T6 Lumen 2 false false
add train 1 T6-Lux
add train 2 T6-Lumen
put train 2 at (10,0) in direction 1,0
put train 1 at (5,0) in direction 1,0
step 1
put train 2 at (5,0) in direction 1,0
put train 1 at (10,0) in direction 1,0
step 1
exit

13
train_one_length_output.txt Normal file
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@ -0,0 +1,13 @@
1
2
T6-Lux
T6-Lumen
diesel engine T6-Lux added to train 1
diesel engine T6-Lumen added to train 2
OK
OK
Crash of train 1,2
OK
OK
Crash of train 1
Train 2 at (6,0)