/**
* 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());
}
}
@SuppressWarnings("unchecked")
public <E extends Event> E getNextEvent(Class<E> eventClass) {
checkInputEmpty();
log.info("Asserting output event equals {}", eventClass);
Event next = eventQueue.removeFirst();
assertTrue(
eventClass.isInstance(next), "Event " + next.getClass() + " doesn't match " + eventClass);
return (E) next;
}
protected static ReportItem assertReportContains(
Collection<ReportItem> report,
Class<? extends ReportItem> clazz,
ItemStatus status,
String text) {
ReportItem i = loopItems(report.iterator(), clazz, status, text);
assertNotNull(i, "Didn't find report of class " + clazz.getSimpleName());
return i;
}
/*
* Validate that readObject returns the correct value when a Struct is
* next on the stream
*/
@Test()
public void test11() throws Exception {
Object[] attributes = new Object[] {"Bruce", "Wayne", 1939, "Batman"};
map.put(sqlType, Class.forName("util.SuperHero"));
Struct struct = new StubStruct(sqlType, attributes);
Object[] values = {struct};
SQLInputImpl sqli = new SQLInputImpl(values, map);
Object o = sqli.readObject();
assertTrue(hero.equals(o));
}
/** Returns a set of tests to run for varied log configurations. */
protected Object[] testsFor(Class<? extends LogTest> testClass) throws Throwable {
List<Object> tests = new ArrayList<>();
for (int i = 1; i < 10; i++) {
LogTest test = testClass.newInstance();
test.entriesPerSegment = i;
test.entryPadding = i / 3;
tests.add(test);
}
return tests.toArray(new Object[tests.size()]);
}
/**
* Returns a class which has a static method with the same name as 'method', whose body creates an
* new instance of 'specimen', casts it to 'iface' (including the type parameters) and invokes
* 'method' upon it via an invokeinterface instruction with 'args' as function call parameters.
*/
private Class invokeInterfaceHarness(
Class specimen, Extends iface, AbstractMethod method, String... args) {
Interface istub =
new Interface(
iface.getType().getName(),
iface.getType().getAccessFlags(),
iface.getType().getParameters(),
null,
Arrays.asList((Method) method));
Class cstub = new Class(specimen.getName());
String params = toJoinedString(args, ", ");
ConcreteMethod sm =
new ConcreteMethod(
"int",
SourceModel.stdMethodName,
String.format(
"return ((%s)(new %s())).%s(%s);",
iface.toString(), specimen.getName(), method.getName(), params),
new AccessFlag("public"),
new AccessFlag("static"));
sm.suppressWarnings();
Class ii = new Class("II_" + specimen.getName() + "_" + iface.getType().getName(), sm);
ii.addCompilationDependency(istub);
ii.addCompilationDependency(cstub);
ii.addCompilationDependency(method);
return ii;
}
/**
* Returns a class which has a static method with the same name as 'method', whose body creates an
* new instance of 'specimen' and invokes 'method' upon it via an invokevirtual instruction with
* 'args' as function call parameters.
*
* <p>'returns' is a dummy return value that need only match 'methods' return type (it is only
* used in the dummy class when compiling IV).
*/
private Class invokeVirtualHarness(
Class specimen, ConcreteMethod method, String returns, String... args) {
Method cm =
new ConcreteMethod(
method.getReturnType(),
method.getName(),
"return " + returns + ";",
method.getElements());
Class stub = new Class(specimen.getName(), cm);
String params = toJoinedString(args, ", ");
ConcreteMethod sm =
new ConcreteMethod(
method.getReturnType(),
method.getName(),
String.format(
"return (new %s()).%s(%s);", specimen.getName(), method.getName(), params),
new AccessFlag("public"),
new AccessFlag("static"));
Class iv = new Class("IV_" + specimen.getName(), sm);
iv.addCompilationDependency(stub);
iv.addCompilationDependency(cm);
return iv;
}
/**
* 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();
}
/**
* Verify that a {@link Throwable} is a {@link TTransportException} wrapping the expected cause
*
* @param throwable The {@link Throwable} to check
* @param expectedCause The expected cause of the {@link TTransportException}
*/
private void checkTransportException(
Throwable throwable, Class<? extends Throwable> expectedCause) {
assertNotNull(throwable);
Throwable cause = throwable.getCause();
if (!(throwable instanceof TTransportException)) {
fail("Exception of type " + throwable.getClass() + " when expecting a TTransportException");
} else if (!(expectedCause.isAssignableFrom(throwable.getCause().getClass()))) {
fail(
"TTransportException caused by "
+ cause.getClass()
+ " when expecting a TTransportException caused by "
+ expectedCause);
}
}
// Test to ensure that the inference verifier accepts older classfiles
// with classes that implement interfaces with defaults.
@Test(groups = "vm")
public void testInferenceVerifier() {
// interface I { int m() default { return 99; } }
byte I_bytes[] = {
(byte) 0xca,
(byte) 0xfe,
(byte) 0xba,
(byte) 0xbe,
0x00,
0x00,
0x00,
0x34,
0x00,
0x08,
0x07,
0x00,
0x06,
0x07,
0x00,
0x07,
0x01,
0x00,
0x03,
0x66,
0x6f,
0x6f,
0x01,
0x00,
0x03,
0x28,
0x29,
0x49,
0x01,
0x00,
0x04,
0x43,
0x6f,
0x64,
0x65,
0x01,
0x00,
0x01,
0x49,
0x01,
0x00,
0x10,
0x6a,
0x61,
0x76,
0x61,
0x2f,
0x6c,
0x61,
0x6e,
0x67,
0x2f,
0x4f,
0x62,
0x6a,
0x65,
0x63,
0x74,
0x06,
0x00,
0x00,
0x01,
0x00,
0x02,
0x00,
0x00,
0x00,
0x00,
0x00,
0x01,
0x02,
0x01,
0x00,
0x03,
0x00,
0x04,
0x00,
0x01,
0x00,
0x05,
0x00,
0x00,
0x00,
0x0f,
0x00,
0x01,
0x00,
0x01,
0x00,
0x00,
0x00,
0x03,
0x10,
0x63,
(byte) 0xac,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00
};
// public class C implements I {} /* -target 1.5 */
byte C_bytes[] = {
(byte) 0xca,
(byte) 0xfe,
(byte) 0xba,
(byte) 0xbe,
0x00,
0x00,
0x00,
0x31,
0x00,
0x0c,
0x0a,
0x00,
0x03,
0x00,
0x08,
0x07,
0x00,
0x09,
0x07,
0x00,
0x0a,
0x07,
0x00,
0x0b,
0x01,
0x00,
0x06,
0x3c,
0x69,
0x6e,
0x69,
0x74,
0x3e,
0x01,
0x00,
0x03,
0x28,
0x29,
0x56,
0x01,
0x00,
0x04,
0x43,
0x6f,
0x64,
0x65,
0x0c,
0x00,
0x05,
0x00,
0x06,
0x01,
0x00,
0x01,
0x43,
0x01,
0x00,
0x10,
0x6a,
0x61,
0x76,
0x61,
0x2f,
0x6c,
0x61,
0x6e,
0x67,
0x2f,
0x4f,
0x62,
0x6a,
0x65,
0x63,
0x74,
0x01,
0x00,
0x01,
0x49,
0x00,
0x21,
0x00,
0x02,
0x00,
0x03,
0x00,
0x01,
0x00,
0x04,
0x00,
0x00,
0x00,
0x01,
0x00,
0x01,
0x00,
0x05,
0x00,
0x06,
0x00,
0x01,
0x00,
0x07,
0x00,
0x00,
0x00,
0x11,
0x00,
0x01,
0x00,
0x01,
0x00,
0x00,
0x00,
0x05,
0x2a,
(byte) 0xb7,
0x00,
0x01,
(byte) 0xb1,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00
};
ClassLoader cl =
new ClassLoader() {
protected Class<?> findClass(String name) {
if (name.equals("I")) {
return defineClass("I", I_bytes, 0, I_bytes.length);
} else if (name.equals("C")) {
return defineClass("C", C_bytes, 0, C_bytes.length);
} else {
return null;
}
}
};
try {
Class.forName("C", true, cl);
} catch (Exception e) {
// unmodified verifier will throw VerifyError
fail("No exception should be thrown");
}
}