Homework 4

javali_tests/HW4_nop90/Array/ErrArrayIndex.javali

@@ -0,0 +1,12 @@
+/* Test accessing arrays with invalid index*/
+class Main {
+   void main() {
+		int[] x;
+     	x = new int[5];
+      	x[0] = 3; 
+      	x[1] = 4; 
+      	x[2] = 5;
+      	
+      	x[5] = 5; //this should fail
+   }
+}

javali_tests/HW4_nop90/Array/ErrArrayIndex2.javali

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+/* Test accessing arrays with invalid index*/
+class Main {
+   void main() {
+		int[] x;
+     	x = new int[5];
+      	
+      	x[8] = 5; //this should fail
+   }
+}

javali_tests/HW4_nop90/Array/ErrArrayIndex3.javali

@@ -0,0 +1,9 @@
+/* Test accessing arrays with invalid index*/
+class Main {
+   void main() {
+		int[] x;
+     	x = new int[5];
+      	
+      	x[-1] = 5; //this should fail
+   }
+}

javali_tests/HW4_nop90/Array/ErrArrayNullPointerAccess.javali

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+/* Test  access an array on a null pointer */
+
+class Main {
+   void main() {
+		int[] x;
+     	x = null;
+      	
+      	x[1] = 5; //this should throw null pointer exception
+   }
+}

javali_tests/HW4_nop90/Array/ErrArrayNullPointerAccess2.javali

@@ -0,0 +1,9 @@
+/* Test  access an array on a null pointer */
+
+class Main {
+   void main() {
+		int[] x;
+      	
+      	x[1] = 5; //this should throw null pointer exception
+   }
+}

javali_tests/HW4_nop90/Array/ErrArraySize.javali

@@ -0,0 +1,10 @@
+/* Test creating an array with negative length */
+class Main {
+   void main() {
+		int[] x;
+     	x = new int[-3];
+      	x[0] = 3; 
+      	x[1] = 4; 
+      	x[2] = 5;
+   }
+}

javali_tests/HW4_nop90/Array/OkArrayAccess.javali

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+/* Test accessing arrays */
+class Main {
+   void main() {
+		int[] x;
+		int i;
+     	x = new int[3];
+      	x[0] = 3; 
+      	x[1] = 4; 
+      	x[2] = 5;
+      	i = x[0] + x[1] + x[2];
+      	x[2]=55;
+      	write(i); 
+      	writeln();
+   }
+}
+

javali_tests/HW4_nop90/Array/OkArrayAccess2.javali

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+/* Test creating arrays of objects and accessing a null element*/
+
+class A{}
+
+class Main {
+   void main() {
+		A[] x;
+		A a;
+      	x = new A[3];
+      	x[1] = new A();
+      	x[2] = a;
+      	
+      	x[2] = new A();
+   }
+}

javali_tests/HW4_nop90/Array/OkArraySizeIsZero.javali

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+/* Test array size=0 */
+
+class Main {
+   void main() {
+		int[] x;
+     	x = new int[0];
+   }
+}

javali_tests/HW4_nop90/Array/OkFieldArray.javali

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+/* Test Arrays as Fields */
+
+class Main {
+   int[] x;
+   void main() {
+      int i;
+      x = new int[3];
+      x[0] = 3; 
+      x[1] = 4; 
+      x[2] = 5;
+   }
+}

javali_tests/HW4_nop90/Array/OkInheritedArray.javali

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+/* Test inherited Array */
+
+class Main {
+   void main() {
+   		C1 c1;
+		C2 c2;
+		c1 = new C1();
+		c2 = new C2();
+		c1.x = new int[3];
+		c2.x = new int[4];
+   }
+}
+
+
+class C1{
+	int[] x;
+}
+	
+class C2 extends C1 {}

javali_tests/HW4_nop90/Array/OkObjectArray.javali

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+/* Test creating arrays of objects */
+
+class A{}
+
+class Main {
+   void main() {
+		A[] x;
+      	x = new A[2];
+      	x[0] = new A();
+   }
+}