@Test public void testEquals_null_null() throws Exception { boolean result = Types.equals(null, null); assertTrue("equals must return true for null and null values", result); }
public static boolean equals(Type a, Type b) { if (a == b) { return true; } else if (a instanceof Class) { return a.equals(b); } else if (a instanceof ParameterizedType) { if (!(b instanceof ParameterizedType)) return false; ParameterizedType pa = (ParameterizedType) a; ParameterizedType pb = (ParameterizedType) b; return equal(pa.getOwnerType(), pb.getOwnerType()) && pa.getRawType().equals(pb.getRawType()) && Arrays.equals(pa.getActualTypeArguments(), pb.getActualTypeArguments()); } else if (a instanceof GenericArrayType) { if (!(b instanceof GenericArrayType)) return false; GenericArrayType ga = (GenericArrayType) a; GenericArrayType gb = (GenericArrayType) b; return equals(ga.getGenericComponentType(), gb.getGenericComponentType()); } else if (a instanceof WildcardType) { if (!(b instanceof WildcardType)) return false; WildcardType wa = (WildcardType) a; WildcardType wb = (WildcardType) b; return Arrays.equals(wa.getUpperBounds(), wb.getUpperBounds()) && Arrays.equals(wa.getLowerBounds(), wb.getLowerBounds()); } else if (a instanceof TypeVariable) { if (!(b instanceof TypeVariable)) return false; TypeVariable<?> va = (TypeVariable<?>) a; TypeVariable<?> vb = (TypeVariable<?>) b; return va.getGenericDeclaration() == vb.getGenericDeclaration() && va.getName().equals(vb.getName()); } else { return false; } }
Types { public static boolean equals(Type a, Type b) { if (a == b) { return true; } else if (a instanceof Class) { return a.equals(b); } else if (a instanceof ParameterizedType) { if (!(b instanceof ParameterizedType)) return false; ParameterizedType pa = (ParameterizedType) a; ParameterizedType pb = (ParameterizedType) b; return equal(pa.getOwnerType(), pb.getOwnerType()) && pa.getRawType().equals(pb.getRawType()) && Arrays.equals(pa.getActualTypeArguments(), pb.getActualTypeArguments()); } else if (a instanceof GenericArrayType) { if (!(b instanceof GenericArrayType)) return false; GenericArrayType ga = (GenericArrayType) a; GenericArrayType gb = (GenericArrayType) b; return equals(ga.getGenericComponentType(), gb.getGenericComponentType()); } else if (a instanceof WildcardType) { if (!(b instanceof WildcardType)) return false; WildcardType wa = (WildcardType) a; WildcardType wb = (WildcardType) b; return Arrays.equals(wa.getUpperBounds(), wb.getUpperBounds()) && Arrays.equals(wa.getLowerBounds(), wb.getLowerBounds()); } else if (a instanceof TypeVariable) { if (!(b instanceof TypeVariable)) return false; TypeVariable<?> va = (TypeVariable<?>) a; TypeVariable<?> vb = (TypeVariable<?>) b; return va.getGenericDeclaration() == vb.getGenericDeclaration() && va.getName().equals(vb.getName()); } else { return false; } } }
Types { public static boolean equals(Type a, Type b) { if (a == b) { return true; } else if (a instanceof Class) { return a.equals(b); } else if (a instanceof ParameterizedType) { if (!(b instanceof ParameterizedType)) return false; ParameterizedType pa = (ParameterizedType) a; ParameterizedType pb = (ParameterizedType) b; return equal(pa.getOwnerType(), pb.getOwnerType()) && pa.getRawType().equals(pb.getRawType()) && Arrays.equals(pa.getActualTypeArguments(), pb.getActualTypeArguments()); } else if (a instanceof GenericArrayType) { if (!(b instanceof GenericArrayType)) return false; GenericArrayType ga = (GenericArrayType) a; GenericArrayType gb = (GenericArrayType) b; return equals(ga.getGenericComponentType(), gb.getGenericComponentType()); } else if (a instanceof WildcardType) { if (!(b instanceof WildcardType)) return false; WildcardType wa = (WildcardType) a; WildcardType wb = (WildcardType) b; return Arrays.equals(wa.getUpperBounds(), wb.getUpperBounds()) && Arrays.equals(wa.getLowerBounds(), wb.getLowerBounds()); } else if (a instanceof TypeVariable) { if (!(b instanceof TypeVariable)) return false; TypeVariable<?> va = (TypeVariable<?>) a; TypeVariable<?> vb = (TypeVariable<?>) b; return va.getGenericDeclaration() == vb.getGenericDeclaration() && va.getName().equals(vb.getName()); } else { return false; } } private  Types(); }
Types { public static boolean equals(Type a, Type b) { if (a == b) { return true; } else if (a instanceof Class) { return a.equals(b); } else if (a instanceof ParameterizedType) { if (!(b instanceof ParameterizedType)) return false; ParameterizedType pa = (ParameterizedType) a; ParameterizedType pb = (ParameterizedType) b; return equal(pa.getOwnerType(), pb.getOwnerType()) && pa.getRawType().equals(pb.getRawType()) && Arrays.equals(pa.getActualTypeArguments(), pb.getActualTypeArguments()); } else if (a instanceof GenericArrayType) { if (!(b instanceof GenericArrayType)) return false; GenericArrayType ga = (GenericArrayType) a; GenericArrayType gb = (GenericArrayType) b; return equals(ga.getGenericComponentType(), gb.getGenericComponentType()); } else if (a instanceof WildcardType) { if (!(b instanceof WildcardType)) return false; WildcardType wa = (WildcardType) a; WildcardType wb = (WildcardType) b; return Arrays.equals(wa.getUpperBounds(), wb.getUpperBounds()) && Arrays.equals(wa.getLowerBounds(), wb.getLowerBounds()); } else if (a instanceof TypeVariable) { if (!(b instanceof TypeVariable)) return false; TypeVariable<?> va = (TypeVariable<?>) a; TypeVariable<?> vb = (TypeVariable<?>) b; return va.getGenericDeclaration() == vb.getGenericDeclaration() && va.getName().equals(vb.getName()); } else { return false; } } private  Types(); static Class<?> getRawType(Type type); static boolean equals(Type a, Type b); static String typeToString(Type type); static Type getSupertype(Type context, Class<?> contextRawType, Class<?> supertype); static Type resolve(Type context, Class<?> contextRawType, Type toResolve); }
Types { public static boolean equals(Type a, Type b) { if (a == b) { return true; } else if (a instanceof Class) { return a.equals(b); } else if (a instanceof ParameterizedType) { if (!(b instanceof ParameterizedType)) return false; ParameterizedType pa = (ParameterizedType) a; ParameterizedType pb = (ParameterizedType) b; return equal(pa.getOwnerType(), pb.getOwnerType()) && pa.getRawType().equals(pb.getRawType()) && Arrays.equals(pa.getActualTypeArguments(), pb.getActualTypeArguments()); } else if (a instanceof GenericArrayType) { if (!(b instanceof GenericArrayType)) return false; GenericArrayType ga = (GenericArrayType) a; GenericArrayType gb = (GenericArrayType) b; return equals(ga.getGenericComponentType(), gb.getGenericComponentType()); } else if (a instanceof WildcardType) { if (!(b instanceof WildcardType)) return false; WildcardType wa = (WildcardType) a; WildcardType wb = (WildcardType) b; return Arrays.equals(wa.getUpperBounds(), wb.getUpperBounds()) && Arrays.equals(wa.getLowerBounds(), wb.getLowerBounds()); } else if (a instanceof TypeVariable) { if (!(b instanceof TypeVariable)) return false; TypeVariable<?> va = (TypeVariable<?>) a; TypeVariable<?> vb = (TypeVariable<?>) b; return va.getGenericDeclaration() == vb.getGenericDeclaration() && va.getName().equals(vb.getName()); } else { return false; } } private  Types(); static Class<?> getRawType(Type type); static boolean equals(Type a, Type b); static String typeToString(Type type); static Type getSupertype(Type context, Class<?> contextRawType, Class<?> supertype); static Type resolve(Type context, Class<?> contextRawType, Type toResolve);  }