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Commit 7d089253 authored by Jingjiahui Lu's avatar Jingjiahui Lu
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Update PartitioningTests.java

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......@@ -8,6 +8,8 @@ import java.nio.file.Files;
import java.nio.file.FileSystems;
import org.junit.*;
import org.junit.rules.ExpectedException;
import static org.junit.Assert.*;
public class PartitioningTests
......@@ -25,66 +27,215 @@ public class PartitioningTests
}
//Any method annotation with "@Test" is executed as a test.
@Test public void aTest()
@Test public void EC1()
{
String a="RET R2;";
final List<String> list = new ArrayList<String>();
list.add(a);
Machine m = new Machine();
assertEquals(m.execute(list), 0);
}
@Test(expected=InvalidInstructionException.class)
public void EC2()
throws Throwable
{
//the assertEquals method used to check whether two values are
//equal, using the equals method
final int expected = 2;
final int actual = 1 + 1;
assertEquals(expected, actual);
String a="RET R33;";
final List<String> list = new ArrayList<String>();
list.add(a);
Machine machine = new Machine();
assertEquals("Invalid",machine.execute(list),InvalidInstructionException.class);
}
@Test public void anotherTest()
@Test(expected=NoReturnValueException.class)
public void EC3()
{
List<String> list = new ArrayList<String>();
list.add("a");
list.add("b");
String a="MOV R0 1;";
final List<String> list = new ArrayList<String>();
list.add(a);
//the assertTrue method is used to check whether something holds.
assertTrue(list.contains("a"));
Machine m = new Machine();
assertEquals("Invalid",m.execute(list),NoReturnValueException.class);
}
//Test test opens a file and executes the machine
@Test public void aFileOpenTest()
@Test public void EC4()
{
final List<String> lines = readInstructions("examples/array.s");
String a="MOV R2 1;";
String b="MOV R1 2;";
String c="ADD R3 R1 R2;";
String d="RET R3;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
list.add(c);
list.add(d);
Machine m = new Machine();
assertEquals(m.execute(lines), 45);
assertEquals(m.execute(list), 3);
}
//To test an exception, specify the expected exception after the @Test
@Test(expected = java.io.IOException.class)
public void anExceptionTest()
throws Throwable
@Test(expected=InvalidInstructionException.class)
public void EC5()
{
String a="MOV R0 1;";
String b="MOV R1 2;";
String c="ADD R35 R1 R2;";
String d="RET R35;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
list.add(c);
list.add(d);
Machine m = new Machine();
assertEquals("Invalid",m.execute(list),InvalidInstructionException.class);
}
@Test public void EC6()
{
String a="MOV R1 6;";
String b="MOV R2 2;";
String c="MOV R3 6;";
String d="DIV R3 R1 R2;";
String e="RET R3;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
list.add(c);
list.add(d);
list.add(e);
Machine m = new Machine();
assertEquals(m.execute(list), 3);
}
@Test public void EC7()
{
String a="MOV R1 6;";
String b="MOV R2 0;";
String d="DIV R3 R1 R2;";
String e="RET R3;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
list.add(d);
list.add(e);
Machine m = new Machine();
assertEquals(m.execute(list), 0);
}
@Test public void EC8()
{
String a="MOV R3 65535;";
String b="RET R3;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
Machine m = new Machine();
assertEquals(m.execute(list), 65535);
}
/*
* [EC10]: {list|length>1/\INSTUCTION in [MOV,JZ]/\regsi in [R0,R1,...,R31]/\vali not in[-65536,65535]} invalid
MOV R3 65536; RET R3;
*/
@Test(expected=InvalidInstructionException.class)
public void EC9()
{
String a="MOV R3 65536";
String b="RET R3;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
Machine m = new Machine();
assertEquals("Invalid",m.execute(list),InvalidInstructionException.class);
}
@Test(expected=NoReturnValueException.class)
public void EC10()
{
throw new java.io.IOException();
String b="JMP 65535;";
final List<String> list = new ArrayList<String>();
list.add(b);
Machine m = new Machine();
assertEquals("Invalid",m.execute(list),NoReturnValueException.class);
}
//This test should fail.
//To provide additional feedback when a test fails, an error message
//can be included
@Test public void aFailedTest()
@Test(expected=InvalidInstructionException.class)
public void EC11()
{
//include a message for better feedback
final int expected = 2;
final int actual = 1 + 2;
assertEquals("Some failure message", expected, actual);
String b="JMP -65536;";
final List<String> list = new ArrayList<String>();
list.add(b);
Machine m = new Machine();
assertEquals("Invalid",m.execute(list),InvalidInstructionException.class);
}
//Read in a file containing a program and convert into a list of
//string instructions
private List<String> readInstructions(String file)
@Test(expected=InvalidInstructionException.class)
public void EC12()
{
String a="MOV R1 0;";
String b="MOV R2 7;";
String c="LDR R2 R1 65536;";
String d="RET R2;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
list.add(c);
list.add(d);
Machine m = new Machine();
assertEquals("Invalid",m.execute(list),InvalidInstructionException.class);
}
@Test
public void EC13()
{
Charset charset = Charset.forName("UTF-8");
List<String> lines = null;
try {
lines = Files.readAllLines(FileSystems.getDefault().getPath(file), charset);
String a="MOV R1 2;";
String b="MOV R2 7;";
String c="LDR R2 R1 65534;";
String d="RET R2;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
list.add(c);
list.add(d);
Machine m = new Machine();
assertEquals(m.execute(list),7);
}
catch (Exception e){
System.err.println("Invalid input file! (stacktrace follows)");
e.printStackTrace(System.err);
System.exit(1);
@Test
public void EC14()
{
String a="MOV R1 55;";
String b="MOV R2 7;";
String c="LDR R2 R1 -44;";
String d="RET R2;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
list.add(c);
list.add(d);
Machine m = new Machine();
assertEquals(m.execute(list),0);
}
return lines;
@Test
public void EC15()
{
String a="MOV R1 -1;";
String b="MOV R2 7;";
String c="LDR R2 R1 0;";
String d="RET R2;";
final List<String> list = new ArrayList<String>();
list.add(a);
list.add(b);
list.add(c);
list.add(d);
Machine m = new Machine();
assertEquals(m.execute(list),7);
}
}
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