public void testSuperInterface() throws Exception {
CtClass cc = sloader.makeClass("test2.SuperInterface3");
CtClass cc2 = sloader.get("test2.SuperInterface2");
cc.addInterface(cc2);
cc.addField(new CtField(cc2, "inner", cc));
CtMethod m = CtNewMethod.make("public int getAge() { return inner.getAge(); }", cc);
cc.addMethod(m);
cc.writeFile();
}
public void testStaticArrays() throws Exception {
CtClass cc = sloader.makeClass("StaticArrays");
CtField f = new CtField(sloader.get("test2.StaticArraysMem[]"), "myStaticField", cc);
f.setModifiers(Modifier.STATIC);
cc.addField(f);
CtConstructor init = cc.makeClassInitializer();
String body = "{\n";
body += ("myStaticField = new test2.StaticArraysMem[2];\n");
body += ("\n}");
init.setBody(body);
}
public void testStaticFinal() throws Exception {
CtClass cc = sloader.makeClass("test2.StaticFinal");
CtField f = new CtField(CtClass.intType, "sff1", cc);
f.setModifiers(Modifier.STATIC | Modifier.FINAL);
cc.addField(f, "5");
assertEquals(new Integer(5), f.getConstantValue());
f = new CtField(CtClass.longType, "sff2", cc);
f.setModifiers(Modifier.STATIC | Modifier.FINAL);
cc.addField(f, "6");
assertEquals(new Long(6), f.getConstantValue());
f = new CtField(CtClass.floatType, "sff3", cc);
f.setModifiers(Modifier.STATIC | Modifier.FINAL);
cc.addField(f, "7");
assertEquals(new Float(7.0F), f.getConstantValue());
f = new CtField(CtClass.floatType, "sff4", cc);
f.setModifiers(Modifier.STATIC | Modifier.FINAL);
cc.addField(f, "8.0");
assertEquals(new Float(8.0F), f.getConstantValue());
f = new CtField(CtClass.doubleType, "sff5", cc);
f.setModifiers(Modifier.STATIC | Modifier.FINAL);
cc.addField(f, "9");
assertEquals(new Double(9.0), f.getConstantValue());
f = new CtField(CtClass.doubleType, "sff6", cc);
f.setModifiers(Modifier.STATIC | Modifier.FINAL);
cc.addField(f, "10.0");
assertEquals(new Double(10.0), f.getConstantValue());
f = new CtField(sloader.get("java.lang.String"), "sff7", cc);
f.setModifiers(Modifier.STATIC | Modifier.FINAL);
cc.addField(f, "\"test\"");
assertEquals("test", f.getConstantValue());
f = new CtField(sloader.get("java.lang.String"), "sff8", cc);
f.setModifiers(Modifier.STATIC);
cc.addField(f, "\"static\"");
assertEquals(null, f.getConstantValue());
cc.addMethod(CtNewMethod.make("public int foo(){ return sff1 + sff7.length(); }", cc));
cc.writeFile();
Object obj = make(cc.getName());
assertEquals(9, invoke(obj, "foo"));
}
public void testPrune() throws Exception {
CtClass cc = sloader.get("test2.Prune");
cc.stopPruning(false);
System.out.println(cc);
cc.addField(new CtField(CtClass.intType, "f", cc));
cc.toBytecode();
try {
cc.defrost();
fail("can call defrost()");
} catch (RuntimeException e) {
assertTrue(e.getMessage().indexOf("prune") >= 0);
}
System.out.println(cc);
}
public void testAddMethod() throws Exception {
CtClass cc = sloader.get("test2.AddMethod");
CtMethod m = CtNewMethod.make("public void f() { return 1; }", cc);
try {
cc.addMethod(m);
fail();
} catch (CannotCompileException e) {
}
CtMethod m2 = CtNewMethod.make("public void f(int i, int j) { return 1; }", cc);
cc.addMethod(m2);
try {
cc.addField(new CtField(CtClass.longType, "f", cc));
fail();
} catch (CannotCompileException e) {
}
}
public void testSwitch() throws Exception {
CtClass cc = sloader.makeClass("test2.Switch");
cc.addMethod(
CtNewMethod.make(
"public int test1() {"
+ " int i = 1;"
+ " int j;"
+ " switch (i) {"
+ " case 0: j = i; break;"
+ " case 1: j = -i; break;"
+ " default: j = 0; break;"
+ " }"
+ " return j; }",
cc));
cc.addMethod(
CtNewMethod.make(
"public int test2() {"
+ " int i = 2;"
+ " int j = 7;"
+ " switch (i) {"
+ " case 0: j = i; break;"
+ " case 1: j = -i; break;"
+ " }"
+ " return j; }",
cc));
cc.addMethod(
CtNewMethod.make(
"public int test3() {"
+ " int i = Byte.MAX_VALUE;"
+ " int j;"
+ " switch (i) {"
+ " case Byte.MAX_VALUE: j = i; break;"
+ " case Byte.MIN_VALUE: j = -i; break;"
+ " default: j = 0; break;"
+ " }"
+ " return j; }",
cc));
try {
cc.addMethod(
CtNewMethod.make(
"public int test4() {"
+ " int i = Byte.MAX_VALUE;"
+ " int j;"
+ " switch (i) {"
+ " case Byte.MAX_VALUE: j = i; return j;"
+ " case Byte.MIN_VALUE: j = -i; return j;"
+ " default: j = 0;"
+ " }"
+ "}",
cc));
fail("does not report an error (no return)");
} catch (CannotCompileException e) {
System.out.println(e);
}
try {
cc.addMethod(
CtNewMethod.make(
"public int test5() {"
+ " int i = Byte.MAX_VALUE;"
+ " int j;"
+ " switch (i) {"
+ " case Byte.MAX_VALUE: j = i; return j;"
+ " case Byte.MIN_VALUE: j = -i; return j;"
+ " }"
+ "}",
cc));
fail("does not report an error (not default)");
} catch (CannotCompileException e) {
System.out.println(e);
}
try {
cc.addMethod(
CtNewMethod.make(
"public int test6() {"
+ " int i = Byte.MAX_VALUE;"
+ " int j;"
+ " switch (i) {"
+ " case Byte.MAX_VALUE: j = i; break;"
+ " default: j = -i; return j;"
+ " }"
+ " }",
cc));
fail("does not report an error (break)");
} catch (CannotCompileException e) {
System.out.println(e);
}
cc.addField(CtField.make("public static int k;", cc));
cc.addMethod(
CtNewMethod.make(
"public void foo() {"
+ " int i = 0;"
+ " k = 3;"
+ " switch (i) {"
+ " case Byte.MAX_VALUE: k = 1;"
+ " case Byte.MIN_VALUE: k = 2;"
+ " }"
+ "}",
cc));
cc.addMethod(
CtNewMethod.make(
"public int test7() {"
+ " int i = Byte.MAX_VALUE;"
+ " int j = 3; foo();"
+ " System.out.println(k);"
+ " switch (i) {"
+ " case Byte.MAX_VALUE: return k;"
+ " case Byte.MIN_VALUE: return j;"
+ " default: return 0;"
+ " }"
+ "}",
cc));
cc.writeFile();
Object obj = make(cc.getName());
assertEquals(-1, invoke(obj, "test1"));
assertEquals(7, invoke(obj, "test2"));
assertEquals(Byte.MAX_VALUE, invoke(obj, "test3"));
assertEquals(3, invoke(obj, "test7"));
}
