View Javadoc

1   package serp.bytecode;
2   
3   import junit.framework.*;
4   import junit.textui.*;
5   
6   /**
7    * Tests the {@link ArrayLoadInstruction} type.
8    *
9    * @author Abe White
10   */
11  public class TestArrayLoadInstruction extends TestCase {
12      private Code _code = new Code();
13  
14      public TestArrayLoadInstruction(String test) {
15          super(test);
16      }
17  
18      /**
19       * Test that the instruction initializes correctly when generated.
20       */
21      public void testIniitalize() {
22          assertEquals(Constants.NOP, _code.xaload().getOpcode());
23          assertEquals(Constants.IALOAD, _code.iaload().getOpcode());
24          assertEquals(Constants.LALOAD, _code.laload().getOpcode());
25          assertEquals(Constants.FALOAD, _code.faload().getOpcode());
26          assertEquals(Constants.DALOAD, _code.daload().getOpcode());
27          assertEquals(Constants.AALOAD, _code.aaload().getOpcode());
28          assertEquals(Constants.BALOAD, _code.baload().getOpcode());
29          assertEquals(Constants.CALOAD, _code.caload().getOpcode());
30          assertEquals(Constants.SALOAD, _code.saload().getOpcode());
31      }
32  
33      /**
34       * Test the the instruction returns its type correctly.
35       */
36      public void testGetType() {
37          assertNull(_code.xaload().getType());
38          assertEquals(int.class, _code.iaload().getType());
39          assertEquals(long.class, _code.laload().getType());
40          assertEquals(float.class, _code.faload().getType());
41          assertEquals(double.class, _code.daload().getType());
42          assertEquals(Object.class, _code.aaload().getType());
43          assertEquals(byte.class, _code.baload().getType());
44          assertEquals(char.class, _code.caload().getType());
45          assertEquals(short.class, _code.saload().getType());
46      }
47  
48      /**
49       * Test that the opcode morphs correctly with type changes.
50       */
51      public void testOpcodeMorph() {
52          ArrayLoadInstruction ins = _code.xaload();
53          assertEquals(Constants.NOP, ins.getOpcode());
54          assertEquals(Constants.NOP, ins.setType((String) null).getOpcode());
55          assertEquals(Constants.NOP, ins.setType((BCClass) null).getOpcode());
56          assertEquals(Constants.NOP, ins.setType((Class) null).getOpcode());
57  
58          assertEquals(Constants.IALOAD, ins.setType(int.class).getOpcode());
59          assertEquals(Constants.NOP, ins.setType((String) null).getOpcode());
60          assertEquals(Constants.LALOAD, ins.setType(long.class).getOpcode());
61          assertEquals(Constants.FALOAD, ins.setType(float.class).getOpcode());
62          assertEquals(Constants.DALOAD, ins.setType(double.class).getOpcode());
63          assertEquals(Constants.AALOAD, ins.setType(Object.class).getOpcode());
64          assertEquals(Constants.BALOAD, ins.setType(byte.class).getOpcode());
65          assertEquals(Constants.CALOAD, ins.setType(char.class).getOpcode());
66          assertEquals(Constants.SALOAD, ins.setType(short.class).getOpcode());
67          assertEquals(Constants.IALOAD, ins.setType(void.class).getOpcode());
68          assertEquals(Constants.AALOAD, ins.setType(String.class).getOpcode());
69          assertEquals(Constants.IALOAD, ins.setType(boolean.class).getOpcode());
70      }
71  
72      public static Test suite() {
73          return new TestSuite(TestArrayLoadInstruction.class);
74      }
75  
76      public static void main(String[] args) {
77          TestRunner.run(suite());
78      }
79  }