void () { XSModel xsModel = getXSModel("testCompletion.xml", "test.xsd"); PsiElement element = myFixture.getFile().findElementAt(getEditor().getCaretModel().getOffset()); XmlTag tag = PsiTreeUtil.getParentOfType(element, XmlTag.class); assert tag != null; XSElementDeclaration elementDeclaration = xsModel.getElementDeclaration(tag.getLocalName(), tag.getNamespace()); XSComplexTypeDefinition typeDefinition = (XSComplexTypeDefinition)elementDeclaration.getTypeDefinition(); CMBuilder cmBuilder = new CMBuilder(new CMNodeFactory()); XSCMValidator validator = cmBuilder.getContentModel((XSComplexTypeDecl)typeDefinition, true); int[] ints = validator.startContentModel(); Vector vector = validator.whatCanGoHere(ints); XSElementDecl o = (XSElementDecl)vector.get(0); assertEquals("b", o.getName()); }