Add test.

raphw · raphw · commit 5270eb77ed16 · 2025-01-29T21:01:25.000+01:00
diff --git a/byte-buddy-dep/src/test/java/net/bytebuddy/implementation/bind/annotation/DynamicConstantBinderTest.java b/byte-buddy-dep/src/test/java/net/bytebuddy/implementation/bind/annotation/DynamicConstantBinderTest.java
@@ -0,0 +1,82 @@
+package net.bytebuddy.implementation.bind.annotation;
+
+import net.bytebuddy.description.type.TypeDescription;
+import net.bytebuddy.description.type.TypeList;
+import net.bytebuddy.implementation.bind.MethodDelegationBinder;
+import net.bytebuddy.implementation.bytecode.assign.Assigner;
+import net.bytebuddy.utility.JavaConstant;
+import net.bytebuddy.utility.JavaType;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.when;
+
+public class DynamicConstantBinderTest extends AbstractAnnotationBinderTest<DynamicConstant> {
+
+    private static final String FOO = "foo", BAR = "bar";
+
+    @Mock
+    private TypeDescription targetType;
+
+    @Mock
+    private TypeDescription.Generic typeDescription;
+
+    @Mock
+    private TypeList.Generic interfaces;
+
+    @Mock
+    private TypeList rawInterfaces;
+
+    public DynamicConstantBinderTest() {
+        super(DynamicConstant.class);
+    }
+
+    @Before
+    @Override
+    public void setUp() throws Exception {
+        super.setUp();
+        when(target.getType()).thenReturn(typeDescription);
+        when(typeDescription.asErasure()).thenReturn(targetType);
+        when(instrumentedType.getInterfaces()).thenReturn(interfaces);
+        when(interfaces.asErasures()).thenReturn(rawInterfaces);
+    }
+
+    @Override
+    protected TargetMethodAnnotationDrivenBinder.ParameterBinder<DynamicConstant> getSimpleBinder() {
+        return DynamicConstant.Binder.INSTANCE;
+    }
+
+    @Test
+    public void testDynamicConstant() throws Exception {
+        doReturn(void.class).when(annotation).bootstrapReturnType();
+        doReturn(void.class).when(annotation).bootstrapOwner();
+        doReturn(new Class<?>[] {Object.class}).when(annotation).bootstrapParameterTypes();
+        when(annotation.invokedynamic()).thenReturn(false);
+        when(annotation.name()).thenReturn(FOO);
+        when(annotation.bootstrapName()).thenReturn(BAR);
+        when(annotation.bootstrapType()).thenReturn(JavaConstant.MethodHandle.HandleType.INVOKE_STATIC);
+        when(targetType.isAssignableFrom(JavaType.METHOD_HANDLE.getTypeStub())).thenReturn(true);
+        MethodDelegationBinder.ParameterBinding<?> parameterBinding = DynamicConstant.Binder.INSTANCE
+                .bind(annotationDescription, source, target, implementationTarget, assigner, Assigner.Typing.STATIC);
+        assertThat(parameterBinding.isValid(), is(true));
+    }
+
+    @Test
+    public void testDynamicConstantInvokedynamic() throws Exception {
+        doReturn(void.class).when(annotation).bootstrapReturnType();
+        doReturn(void.class).when(annotation).bootstrapOwner();
+        doReturn(new Class<?>[] {Object.class}).when(annotation).bootstrapParameterTypes();
+        when(annotation.invokedynamic()).thenReturn(true);
+        when(annotation.name()).thenReturn(FOO);
+        when(annotation.bootstrapName()).thenReturn(BAR);
+        when(annotation.bootstrapType()).thenReturn(JavaConstant.MethodHandle.HandleType.INVOKE_STATIC);
+        when(targetType.isAssignableFrom(JavaType.METHOD_HANDLE.getTypeStub())).thenReturn(true);
+        MethodDelegationBinder.ParameterBinding<?> parameterBinding = DynamicConstant.Binder.INSTANCE
+                .bind(annotationDescription, source, target, implementationTarget, assigner, Assigner.Typing.STATIC);
+        assertThat(parameterBinding.isValid(), is(true));
+    }
+}
