/**
* Uses 'loader' to load class 'clzz', and calls the static method 'method'. If the return value
* does not equal 'value' (or if an exception is thrown), then a test failure is indicated.
*
* <p>If 'value' is null, then no equality check is performed -- the assertion fails only if an
* exception is thrown.
*/
protected void assertStaticCallEquals(
ClassLoader loader, Class clzz, String method, Object value) {
java.lang.Class<?> cls = null;
try {
cls = java.lang.Class.forName(clzz.getName(), true, loader);
} catch (ClassNotFoundException e) {
}
assertNotNull(cls);
java.lang.reflect.Method m = null;
try {
m = cls.getMethod(method);
} catch (NoSuchMethodException e) {
}
assertNotNull(m);
try {
Object res = m.invoke(null);
assertNotNull(res);
if (value != null) {
assertEquals(res, value);
}
} catch (InvocationTargetException | IllegalAccessException e) {
fail("Unexpected exception thrown: " + e.getCause(), e.getCause());
}
}
/**
* Creates a class which calls target::method(args) via invokevirtual, compiles and loads both the
* new class and 'target', and then invokes the method. If an exception of type 'exceptionType' is
* not thrown, then a test failure is indicated.
*/
public void assertThrows(
java.lang.Class<?> exceptionType,
Class target,
ConcreteMethod method,
String returns,
String... args) {
Compiler compiler = compilerLocal.get();
compiler.setFlags(compilerFlags());
Class iv = invokeVirtualHarness(target, method, returns, args);
ClassLoader loader = compiler.compile(iv, target);
java.lang.Class<?> cls = null;
try {
cls = java.lang.Class.forName(iv.getName(), true, loader);
} catch (ClassNotFoundException e) {
}
assertNotNull(cls);
java.lang.reflect.Method m = null;
try {
m = cls.getMethod(method.getName());
} catch (NoSuchMethodException e) {
}
assertNotNull(m);
try {
m.invoke(null);
fail("Exception should have been thrown");
} catch (InvocationTargetException | IllegalAccessException e) {
if (verboseLocal.get() == Boolean.TRUE) {
System.out.println(e.getCause());
}
assertTrue(exceptionType.isAssignableFrom(e.getCause().getClass()));
}
compiler.cleanup();
}
protected void assertInvokeInterfaceThrows(
java.lang.Class<? extends Throwable> errorClass,
Class target,
Extends iface,
AbstractMethod method,
String... args) {
try {
assertInvokeInterfaceEquals(0, target, iface, method, args);
fail("Expected exception: " + errorClass);
} catch (AssertionError e) {
Throwable cause = e.getCause();
if (cause == null) throw e;
else if ((errorClass.isAssignableFrom(cause.getClass()))) {
// this is success
return;
} else throw e;
}
}