example about inputstream and file

CatarinaGamboa · CatarinaGamboa · commit 0ece5da51043 · 2024-11-29T17:27:41.000Z
diff --git a/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/file_input_stream/Test.java b/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/file_input_stream/Test.java
@@ -0,0 +1,55 @@
+package testSuite.classes.stack_overflow.file_input_stream;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.Deque;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.Queue;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+
+
+/**
+ * Examples related to typestate refinements.
+ * Idea from: https://stackoverflow.com/questions/5900435/blackberry-fileconnection-illegalstateexception
+ * I am not sure we can handle this case since testFile does not need to know about FileInputStream, it is only used as a parameter. 
+ * Can we still relate them? Does it make sense?
+ */
+@SuppressWarnings("unused")
+public class Test {
+    
+    public static void main(String[] args) {
+
+        // Create a test file
+        File testFile = new File("liquidjava-example/src/main/java/testSuite/classes/stack_overflow/file_input_stream/testFile.txt");
+
+        // Simulate opening the file and forgetting to close it
+        FileInputStream inputStream = null;
+        try {
+            // Open the file
+            inputStream = new FileInputStream(testFile);
+            System.out.println("Reading the file...");
+            
+            // Simulate a long operation without closing the file
+            // Note: Normally, you'd process the file here, but we're just mimicking the issue
+            Thread.sleep(500);  // Simulating a delay
+            
+            // We forget to close the file here, mimicking the problem
+            // inputStream.close(); // Error: Should be here to fix the issue
+            
+        } catch (IOException | InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        // Attempt to delete the file (this will fail if the file is still open)
+        if (testFile.delete()) {
+            System.out.println("File deleted successfully.");
+        } else {
+            System.out.println("Failed to delete the file. It might be open.");
+        }
+    }
+}
diff --git a/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/file_input_stream/testFile.txt b/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/file_input_stream/testFile.txt
@@ -0,0 +1 @@
+qegigduaskxjnlm,
diff --git a/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/iterator_not_tested/IteratorRefinements.java b/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/iterator_not_tested/IteratorRefinements.java
@@ -1,4 +1,4 @@
-package test.currentlyTesting;
+package testSuite.classes.stack_overflow.iterator_not_tested;
 
 import liquidjava.specification.ExternalRefinementsFor;
 import liquidjava.specification.StateRefinement;
diff --git a/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/iterator_not_tested/LinkedListRefinements.java b/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/iterator_not_tested/LinkedListRefinements.java
@@ -1,4 +1,4 @@
-package test.currentlyTesting;
+package testSuite.classes.stack_overflow.iterator_not_tested;
 
 import java.util.Iterator;
 
diff --git a/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/iterator_not_tested/TestIterator.java b/liquidjava-example/src/main/java/testSuite/classes/stack_overflow/iterator_not_tested/TestIterator.java
@@ -1,4 +1,4 @@
-package testSuite.classes.stack_overflow.iterator;
+package testSuite.classes.stack_overflow.iterator_not_tested;
 
 import java.util.Deque;
 import java.util.Iterator;

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-package test.currentlyTesting;`
	`1`	`+package testSuite.classes.stack_overflow.iterator_not_tested;`
`2`	`2`
`3`	`3`	`import liquidjava.specification.ExternalRefinementsFor;`
`4`	`4`	`import liquidjava.specification.StateRefinement;`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-package testSuite.classes.stack_overflow.iterator;`
	`1`	`+package testSuite.classes.stack_overflow.iterator_not_tested;`
`2`	`2`
`3`	`3`	`import java.util.Deque;`
`4`	`4`	`import java.util.Iterator;`