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test/swen90006/machine/PartitioningTests.java

+package swen90006.machine;
+
+import java.util.List;
+import java.util.ArrayList;
+import java.nio.charset.Charset;
+import java.nio.file.Path;
+import java.nio.file.Files;
+import java.nio.file.FileSystems;
+
+import org.junit.*;
+import static org.junit.Assert.*;
+
+public class PartitioningTests
+{
+  //Any method annotated with "@Before" will be executed before each test,
+  //allowing the tester to set up some shared resources.
+  @Before public void setUp()
+  {
+  }
+
+  //Any method annotated with "@After" will be executed after each test,
+  //allowing the tester to release any shared resources used in the setup.
+  @After public void tearDown()
+  {
+  }
+
+  //To test EC5 in Machine.
+  @Test public void ec5Test()
+  {
+    final int expected = 0;
+    final int actual = Machine.execute("RET R0 R1");
+    assertEquals(expected, actual);
+  }
+
+  //To test EC6 in Machine.
+  @Test public void ec6Test()
+  {
+    final int expected = NoReturnValueException;
+    final int actual = Machine.execute({“MOV R0 1”, “MOV R1 1”, “ADD R2 R0 R1”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC7 in Machine.
+  @Test public void ec7Test()
+  {
+    final int expected = 0;
+    final int actual = Machine.execute({“ADD R2 R0 R1”, “RET R2”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC8 in Machine.
+  @Test public void ec8Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“ADD R2 R0 R32”, “RET R2”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC9 in Machine.
+  @Test public void ec9Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“ADD R2 R0”, “RET R2”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC11 in Machine.
+  @Test public void ec11Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“LDR R2 R0 -1”, “RET R2”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC13 in Machine.
+  @Test public void ec13Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“LDR R2 R0 32”, “RET R2”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC18 in Machine.
+  @Test public void ec18Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“JMP -65536”, “RET R0”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC20 in Machine.
+  @Test public void ec20Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“JMP 65536”, “RET R0”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC21 in Machine.
+  @Test public void ec21Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“JMP abc”, “RET R0”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC22 in Machine.
+  @Test public void ec22Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“RET R0”, “RET R1”});
+    assertEquals(expected, actual);
+  }
+
+  //To test EC23 in Machine.
+  @Test public void ec23Test()
+  {
+    final int expected = InvalidInstructionException;
+    final int actual = Machine.execute({“R0”});
+    assertEquals(expected, actual);
+  }
+
+  //Read in a file containing a program and convert into a list of
+  //string instructions
+  private List<String> readInstructions(String file)
+  {
+    Charset charset = Charset.forName("UTF-8");
+    List<String> lines = null;
+    try {
+      lines = Files.readAllLines(FileSystems.getDefault().getPath(file), charset);
+    }
+    catch (Exception e){
+      System.err.println("Invalid input file! (stacktrace follows)");
+      e.printStackTrace(System.err);
+      System.exit(1);
+    }
+    return lines;
+  }
+}