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Example 6 with DynamicType

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

the class InvokeDynamicTest method testBootstrapOfMethodsWithParametersWrapperConstantPool.

@Test
@JavaVersionRule.Enforce(value = 7, hotSpot = 7)
public void testBootstrapOfMethodsWithParametersWrapperConstantPool() throws Exception {
    TypeDescription typeDescription = new TypeDescription.ForLoadedType(Class.forName(ARGUMENT_BOOTSTRAP));
    Object value = new Object();
    DynamicType.Loaded<Simple> dynamicType = new ByteBuddy().subclass(Simple.class).method(isDeclaredBy(Simple.class)).intercept(InvokeDynamic.bootstrap(typeDescription.getDeclaredMethods().filter(named(BOOTSTRAP)).getOnly()).invoke(BAR, String.class).withValue(BOOLEAN, BYTE, SHORT, CHARACTER, INTEGER, LONG, FLOAT, DOUBLE, FOO, CLASS, makeEnum(), makeMethodType(CLASS), makeMethodHandle(), value)).make().load(getClass().getClassLoader(), ClassLoadingStrategy.Default.WRAPPER);
    assertThat(dynamicType.getLoaded().getDeclaredFields().length, is(1));
    assertThat(dynamicType.getLoaded().getDeclaredConstructor().newInstance().foo(), is("" + BOOLEAN + BYTE + SHORT + CHARACTER + INTEGER + LONG + FLOAT + DOUBLE + FOO + CLASS + makeEnum() + makeMethodType(CLASS) + makeMethodHandle() + value));
}
Also used : DynamicType(net.bytebuddy.dynamic.DynamicType) TypeDescription(net.bytebuddy.description.type.TypeDescription) ByteBuddy(net.bytebuddy.ByteBuddy) Test(org.junit.Test)

Example 7 with DynamicType

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

the class InvokeDynamicTest method testBootstrapWithExplicitArgumentsWithArguments.

@Test
@JavaVersionRule.Enforce(value = 7, hotSpot = 7)
public void testBootstrapWithExplicitArgumentsWithArguments() throws Exception {
    Class<?> type = Class.forName(PARAMETER_BOOTSTRAP);
    Field field = type.getDeclaredField(ARGUMENTS_FIELD_NAME);
    field.set(null, null);
    TypeDescription typeDescription = new TypeDescription.ForLoadedType(type);
    DynamicType.Loaded<Simple> dynamicType = new ByteBuddy().subclass(Simple.class).method(isDeclaredBy(Simple.class)).intercept(InvokeDynamic.bootstrap(typeDescription.getDeclaredMethods().filter(named(BOOTSTRAP_EXPLICIT_ARGUMENTS)).getOnly(), INTEGER, LONG, FLOAT, DOUBLE, FOO, CLASS, makeMethodType(CLASS), makeMethodHandle()).withoutArguments()).make().load(getClass().getClassLoader(), ClassLoadingStrategy.Default.WRAPPER);
    assertThat(dynamicType.getLoaded().getDeclaredConstructor().newInstance().foo(), is(FOO));
    Object[] arguments = (Object[]) field.get(null);
    assertThat(arguments.length, is(8));
    assertThat(arguments[0], is((Object) INTEGER));
    assertThat(arguments[1], is((Object) LONG));
    assertThat(arguments[2], is((Object) FLOAT));
    assertThat(arguments[3], is((Object) DOUBLE));
    assertThat(arguments[4], is((Object) FOO));
    assertThat(arguments[5], is((Object) CLASS));
    assertThat(arguments[6], is(makeMethodType(CLASS)));
    assertThat(JavaConstant.MethodHandle.ofLoaded(arguments[7]), is(JavaConstant.MethodHandle.ofLoaded(makeMethodHandle())));
}
Also used : Field(java.lang.reflect.Field) DynamicType(net.bytebuddy.dynamic.DynamicType) TypeDescription(net.bytebuddy.description.type.TypeDescription) ByteBuddy(net.bytebuddy.ByteBuddy) Test(org.junit.Test)

Example 8 with DynamicType

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

the class InvokeDynamicTest method testBootstrapOfMethodsWithParametersPrimitive.

@Test
@JavaVersionRule.Enforce(value = 7, hotSpot = 7)
public void testBootstrapOfMethodsWithParametersPrimitive() throws Exception {
    TypeDescription typeDescription = new TypeDescription.ForLoadedType(Class.forName(ARGUMENT_BOOTSTRAP));
    Object value = new Object();
    DynamicType.Loaded<Simple> dynamicType = new ByteBuddy().subclass(Simple.class).method(isDeclaredBy(Simple.class)).intercept(InvokeDynamic.bootstrap(typeDescription.getDeclaredMethods().filter(named(BOOTSTRAP)).getOnly()).invoke(FOO, String.class).withBooleanValue(BOOLEAN).withByteValue(BYTE).withShortValue(SHORT).withCharacterValue(CHARACTER).withIntegerValue(INTEGER).withLongValue(LONG).withFloatValue(FLOAT).withDoubleValue(DOUBLE).withType(new TypeDescription.ForLoadedType(CLASS)).withEnumeration(new EnumerationDescription.ForLoadedEnumeration(makeEnum())).withInstance(JavaConstant.MethodType.ofLoaded(makeMethodType(CLASS)), JavaConstant.MethodHandle.ofLoaded(makeMethodHandle())).withValue(FOO, CLASS, makeEnum(), makeMethodType(CLASS), makeMethodHandle(), value)).make().load(getClass().getClassLoader(), ClassLoadingStrategy.Default.WRAPPER);
    assertThat(dynamicType.getLoaded().getDeclaredConstructor().newInstance().foo(), is("" + BOOLEAN + BYTE + SHORT + CHARACTER + INTEGER + LONG + FLOAT + DOUBLE + CLASS + makeEnum() + makeMethodType(CLASS) + makeMethodHandle() + FOO + CLASS + makeEnum() + makeMethodType(CLASS) + makeMethodHandle() + value));
}
Also used : DynamicType(net.bytebuddy.dynamic.DynamicType) TypeDescription(net.bytebuddy.description.type.TypeDescription) ByteBuddy(net.bytebuddy.ByteBuddy) Test(org.junit.Test)

Example 9 with DynamicType

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

the class InvokeDynamicTest method testBootstrapWithNullValue.

@Test
@JavaVersionRule.Enforce(7)
public void testBootstrapWithNullValue() throws Exception {
    TypeDescription typeDescription = new TypeDescription.ForLoadedType(Class.forName(ARGUMENT_BOOTSTRAP));
    DynamicType.Loaded<Simple> dynamicType = new ByteBuddy().subclass(Simple.class).method(isDeclaredBy(Simple.class)).intercept(InvokeDynamic.bootstrap(typeDescription.getDeclaredMethods().filter(named(BOOTSTRAP)).getOnly()).invoke(QUX, String.class).withNullValue(String.class)).make().load(getClass().getClassLoader(), ClassLoadingStrategy.Default.WRAPPER);
    assertThat(dynamicType.getLoaded().getDeclaredFields().length, is(0));
    assertThat(dynamicType.getLoaded().getDeclaredConstructor().newInstance().foo(), nullValue(String.class));
}
Also used : DynamicType(net.bytebuddy.dynamic.DynamicType) TypeDescription(net.bytebuddy.description.type.TypeDescription) ByteBuddy(net.bytebuddy.ByteBuddy) Test(org.junit.Test)

Example 10 with DynamicType

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

the class InvokeDynamicTest method testBootstrapWithFieldCreation.

@Test
@JavaVersionRule.Enforce(7)
public void testBootstrapWithFieldCreation() throws Exception {
    TypeDescription typeDescription = new TypeDescription.ForLoadedType(Class.forName(ARGUMENT_BOOTSTRAP));
    DynamicType.Loaded<Simple> dynamicType = new ByteBuddy().subclass(Simple.class).defineField(FOO, String.class).method(isDeclaredBy(Simple.class)).intercept(InvokeDynamic.bootstrap(typeDescription.getDeclaredMethods().filter(named(BOOTSTRAP)).getOnly()).invoke(QUX, String.class).withField(FOO)).make().load(getClass().getClassLoader(), ClassLoadingStrategy.Default.WRAPPER);
    assertThat(dynamicType.getLoaded().getDeclaredFields().length, is(1));
    Simple instance = dynamicType.getLoaded().getDeclaredConstructor().newInstance();
    Field field = dynamicType.getLoaded().getDeclaredField(FOO);
    field.setAccessible(true);
    field.set(instance, FOO);
    assertThat(instance.foo(), is(FOO));
}
Also used : Field(java.lang.reflect.Field) DynamicType(net.bytebuddy.dynamic.DynamicType) TypeDescription(net.bytebuddy.description.type.TypeDescription) ByteBuddy(net.bytebuddy.ByteBuddy) Test(org.junit.Test)

Aggregations

DynamicType (net.bytebuddy.dynamic.DynamicType)38 Test (org.junit.Test)33 ByteBuddy (net.bytebuddy.ByteBuddy)30 TypeDescription (net.bytebuddy.description.type.TypeDescription)23 Field (java.lang.reflect.Field)10 URLClassLoader (java.net.URLClassLoader)7 Type (java.lang.reflect.Type)5 AbstractDynamicTypeBuilderTest (net.bytebuddy.dynamic.AbstractDynamicTypeBuilderTest)5 GenericType (net.bytebuddy.test.scope.GenericType)5 TextConstant (net.bytebuddy.implementation.bytecode.constant.TextConstant)4 RandomString (net.bytebuddy.utility.RandomString)4 TargetType (net.bytebuddy.dynamic.TargetType)3 IOException (java.io.IOException)2 Method (java.lang.reflect.Method)2 Map (java.util.Map)2 Callable (java.util.concurrent.Callable)2 Plugin (net.bytebuddy.build.Plugin)2 MethodDescription (net.bytebuddy.description.method.MethodDescription)2 LoadedTypeInitializer (net.bytebuddy.implementation.LoadedTypeInitializer)2 StubMethod (net.bytebuddy.implementation.StubMethod)2