Examples with ByteBuddy net.bytebuddy.ByteBuddy used on opensource projects

Example 86 with ByteBuddy

use of net.bytebuddy.ByteBuddy in project byte-buddy by raphw.

the class AdviceTest method testExceptionPriniting.

@Test
public void testExceptionPriniting() throws Exception {
    Class<?> type = new ByteBuddy().redefine(Sample.class).visit(Advice.to(ExceptionWriterTest.class).withExceptionPrinting().on(named(FOO))).make().load(ClassLoadingStrategy.BOOTSTRAP_LOADER, ClassLoadingStrategy.Default.WRAPPER).getLoaded();
    PrintStream printStream = mock(PrintStream.class);
    PrintStream err = System.err;
    synchronized (System.err) {
        System.setErr(printStream);
        try {
            assertThat(type.getDeclaredMethod(FOO).invoke(type.getDeclaredConstructor().newInstance()), is((Object) FOO));
        } finally {
            System.setErr(err);
        }
    }
    verify(printStream, times(2)).println(Mockito.any(RuntimeException.class));
}

Example 87 with ByteBuddy

use of net.bytebuddy.ByteBuddy in project byte-buddy by raphw.

the class AdviceTest method testAdviceSkipExceptionExplicit.

@Test
public void testAdviceSkipExceptionExplicit() throws Exception {
    Class<?> type = new ByteBuddy().redefine(Sample.class).visit(Advice.to(TrivialAdviceSkipException.class).on(named(BAR + BAZ))).make().load(ClassLoadingStrategy.BOOTSTRAP_LOADER, ClassLoadingStrategy.Default.WRAPPER).getLoaded();
    try {
        type.getDeclaredMethod(BAR + BAZ).invoke(type.getDeclaredConstructor().newInstance());
        fail();
    } catch (InvocationTargetException exception) {
        assertThat(exception.getCause(), instanceOf(NullPointerException.class));
    }
    assertThat(type.getDeclaredField(ENTER).get(null), is((Object) 1));
    assertThat(type.getDeclaredField(EXIT).get(null), is((Object) 0));
}

Example 88 with ByteBuddy

use of net.bytebuddy.ByteBuddy in project byte-buddy by raphw.

the class AdviceTest method testAdviceWithExceptionHandler.

@Test
public void testAdviceWithExceptionHandler() throws Exception {
    Class<?> type = new ByteBuddy().redefine(Sample.class).visit(Advice.to(ExceptionHandlerAdvice.class).on(named(FOO))).make().load(ClassLoadingStrategy.BOOTSTRAP_LOADER, ClassLoadingStrategy.Default.WRAPPER).getLoaded();
    assertThat(type.getDeclaredMethod(FOO).invoke(type.getDeclaredConstructor().newInstance()), is((Object) FOO));
    assertThat(type.getDeclaredField(ENTER).get(null), is((Object) 1));
    assertThat(type.getDeclaredField(EXIT).get(null), is((Object) 1));
}

Example 89 with ByteBuddy

use of net.bytebuddy.ByteBuddy in project byte-buddy by raphw.

the class AdviceTest method testFrameAdviceSimpleShiftExpanded.

@Test
public void testFrameAdviceSimpleShiftExpanded() throws Exception {
    Class<?> type = new ByteBuddy().redefine(Sample.class).visit(Advice.to(FrameShiftAdvice.class).on(named(FOO)).readerFlags(ClassReader.EXPAND_FRAMES)).make().load(ClassLoadingStrategy.BOOTSTRAP_LOADER, ClassLoadingStrategy.Default.WRAPPER).getLoaded();
    assertThat(type.getDeclaredMethod(FOO).invoke(type.getDeclaredConstructor().newInstance()), is((Object) FOO));
}

Example 90 with ByteBuddy

use of net.bytebuddy.ByteBuddy in project byte-buddy by raphw.

the class AdviceTest method testAdviceThrowNotSuppressedOnExit.

@Test
public void testAdviceThrowNotSuppressedOnExit() throws Exception {
    Class<?> type = new ByteBuddy().redefine(TracableSample.class).visit(Advice.to(ThrowNotSuppressedOnExit.class).on(named(FOO))).make().load(ClassLoadingStrategy.BOOTSTRAP_LOADER, ClassLoadingStrategy.Default.WRAPPER).getLoaded();
    try {
        type.getDeclaredMethod(FOO).invoke(type.getDeclaredConstructor().newInstance());
        fail();
    } catch (InvocationTargetException exception) {
        assertThat(exception.getCause(), instanceOf(Exception.class));
    }
    assertThat(type.getDeclaredField(ENTER).get(null), is((Object) 1));
    assertThat(type.getDeclaredField(INSIDE).get(null), is((Object) 1));
    assertThat(type.getDeclaredField(EXIT).get(null), is((Object) 1));
}