@Test
public void testJoin1() {
Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class));
Stamp b = StampFactory.declared(getType(B.class));
Stamp bNonNull = StampFactory.declaredNonNull(getType(B.class));
Assert.assertEquals(bNonNull, join(aNonNull, b));
}
@Test
public void testJoinInterface3() {
Stamp bExact = StampFactory.exactNonNull(getType(B.class));
Stamp i = StampFactory.declared(getType(I.class)); // not trusted
Stamp join = join(i, bExact);
Assert.assertEquals(bExact, join);
}
@Test
public void testJoinInterface2() {
Stamp bExact = StampFactory.exactNonNull(getType(B.class));
Stamp i = StampFactory.declaredTrusted(getType(I.class));
Stamp join = join(i, bExact);
Assert.assertEquals(StampFactory.illegal(Kind.Object), join);
}
@Test
public void testJoin8() {
Stamp bExact = StampFactory.exactNonNull(getType(B.class));
Stamp dExact = StampFactory.exact(getType(D.class));
Stamp join = join(bExact, dExact);
Assert.assertFalse(join.isLegal());
}
@Test
public void testJoinInterface1() {
Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class));
Stamp i = StampFactory.declaredTrusted(getType(I.class));
Stamp join = join(aNonNull, i);
Assert.assertTrue(join instanceof ObjectStamp);
Assert.assertTrue(((ObjectStamp) join).nonNull());
}
@Test
public void testJoin7() {
Stamp aExact = StampFactory.exact(getType(A.class));
Stamp e = StampFactory.declared(getType(E.class));
Stamp join = join(aExact, e);
Assert.assertTrue(StampTool.isPointerAlwaysNull(join));
Assert.assertNull(StampTool.typeOrNull(join));
Assert.assertFalse(StampTool.isExactType(join));
}
@Test
public void testJoin6() {
Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class));
Stamp alwaysNull = StampFactory.alwaysNull();
Stamp join = join(alwaysNull, dExactNonNull);
Assert.assertFalse(join.isLegal());
Assert.assertFalse(StampTool.isPointerNonNull(join));
Assert.assertFalse(StampTool.isPointerAlwaysNull(join));
}
@Test
public void testJoin5() {
Stamp dExact = StampFactory.exact(getType(D.class));
Stamp c = StampFactory.declared(getType(C.class));
Stamp join = join(c, dExact);
Assert.assertTrue(StampTool.isPointerAlwaysNull(join));
Assert.assertNull(StampTool.typeOrNull(join));
Assert.assertFalse(StampTool.isExactType(join));
}
@Test
public void testJoin9() {
Stamp bExact = StampFactory.exact(getType(B.class));
Stamp dExact = StampFactory.exact(getType(D.class));
Stamp join = join(bExact, dExact);
Assert.assertTrue(StampTool.isPointerAlwaysNull(join));
Assert.assertNull(StampTool.typeOrNull(join));
Assert.assertNull(StampTool.typeOrNull(join));
}
@Test
public void testJoin4() {
Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class));
Stamp c = StampFactory.declared(getType(C.class));
Assert.assertEquals(StampFactory.illegal(Kind.Object), join(c, dExactNonNull));
}
@Test
public void testJoin3() {
Stamp d = StampFactory.declared(getType(D.class));
Stamp c = StampFactory.declared(getType(C.class));
Assert.assertTrue(StampTool.isPointerAlwaysNull(join(c, d)));
}
@Test
public void testJoin2() {
Stamp aExact = StampFactory.exactNonNull(getType(A.class));
Stamp b = StampFactory.declared(getType(B.class));
Assert.assertEquals(StampFactory.illegal(Kind.Object), join(aExact, b));
}
@Test
public void testJoin0() {
Stamp a = StampFactory.declared(getType(A.class));
Stamp b = StampFactory.declared(getType(B.class));
Assert.assertEquals(b, join(a, b));
}
@Test
public void testJoinInterface0() {
Stamp a = StampFactory.declared(getType(A.class));
Stamp i = StampFactory.declaredTrusted(getType(I.class));
Assert.assertNotSame(StampFactory.illegal(Kind.Object), join(a, i));
}