/**
* <a
* href="http://sourceforge.net/tracker/?func=detail&aid=2081602&group_id=4075&atid=104075">Sourceforge
* issue "NullPointerException Thrown by Overriden Method" - ID: 2081602</a>. Overriding a method
* which is invoked from super-constructor issues a NPE.
*/
@Test
@Category(KnownIssue.class)
public void sourceforge_issue_2081602() throws Exception {
// Interpreter.DEBUG = true;
Callable result =
(Callable)
TestUtil.eval(
"Object echo(msg, x) {",
" print(msg + ' ' + x);",
" return x;",
"}",
"public class A implements " + Callable.class.getName() + " {",
" int _id;",
" public A (int id) {",
" print (\" A.<init> \" + id);",
" setId(id);",
" }",
" public void setId (int id) {",
" print (\" A.setId \" + id);",
" _id = id;",
" }",
" public Object call() { return _id; }",
"}",
"public class B extends A {",
" public B (int id) {",
" super (echo(\" B.<init>\", id * 3));",
" }",
" public void setId (int id) {",
" print (\" B.setId \" + id);",
" super.setId(id * 5);",
" }",
"}",
"return new B (1);");
Assert.assertEquals(15, result.call());
}
/**
* <a
* href="http://sourceforge.net/tracker/?func=detail&aid=2081602&group_id=4075&atid=104075">Sourceforge
* issue "NullPointerException Thrown by Overriden Method" - ID: 2081602</a>. Just a "learning
* test" to check the call flow for constructors of generated classes.
*
* @see #sourceforge_issue_2081602
*/
@Test
public void sourceforge_issue_2081602_learning_test() throws Exception {
final Object result =
TestUtil.eval(
"Object echo(msg, x) {",
" print(msg + ' ' + x);",
" return x;",
"}",
"public class A implements java.util.concurrent.Callable {",
" int _id;",
" public A (int id) {",
" _id = echo(\"A\", id);",
" }",
" public Object call() { return _id; }",
"}",
"public class B extends A {",
" public B (int id) {",
" super (echo(\"B\", id * 2));",
" }",
"}",
"return new B (2);");
Assert.assertEquals(4, ((java.util.concurrent.Callable) result).call());
}
@Test
public void misc_tests() throws Exception {
Assert.assertEquals(true, TestUtil.eval("return true == true;"));
Assert.assertEquals(true, TestUtil.eval("return false == false;"));
Assert.assertEquals(false, TestUtil.eval("return true == false;"));
Assert.assertEquals(false, TestUtil.eval("return false == true;"));
try {
TestUtil.eval("throw new RuntimeException();");
Assert.fail();
} catch (TargetError e) {
Assert.assertTrue(e.getTarget().getClass() == RuntimeException.class);
}
Assert.assertEquals(
"foobar",
TestUtil.eval(
"String a;",
"try {",
" a = \"foobar\";",
"} catch (Exception e) {",
" throw e;",
"}",
"return a;"));
String script =
"boolean fieldBool = false;\n"
+ "int fieldInt = 0;\n"
+ "Boolean fieldBool2 = false;\n"
+ "void run() {\n"
+ "fieldBool = ! fieldBool;\n"
+ "fieldBool2 = ! fieldBool2;\n"
+ "fieldInt++;\n"
+ "System.out.println(\"fieldBool: \"+fieldBool);\n"
+ "System.out.println(\"fieldBool2: \"+fieldBool2);\n"
+ "System.out.println(\"fieldInt: \"+fieldInt);\n"
+ "}\n";
Interpreter bsh = new Interpreter();
bsh.eval(script);
Runnable runnable = (Runnable) bsh.getInterface(Runnable.class);
runnable.run();
}