| // Copyright 2020 CUE Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package adt |
| |
| import ( |
| "fmt" |
| "testing" |
| ) |
| |
| func TestNilSource(t *testing.T) { |
| testCases := []Node{ |
| &BasicType{}, |
| &BinaryExpr{}, |
| &Bool{}, |
| &Bottom{}, |
| &BoundExpr{}, |
| &BoundValue{}, |
| &Builtin{}, |
| &BuiltinValidator{}, |
| &BulkOptionalField{}, |
| &Bytes{}, |
| &CallExpr{}, |
| &Conjunction{}, |
| &Disjunction{}, |
| &DisjunctionExpr{}, |
| &DynamicField{}, |
| &DynamicReference{}, |
| &Ellipsis{}, |
| &Field{}, |
| &FieldReference{}, |
| &ForClause{}, |
| &IfClause{}, |
| &ImportReference{}, |
| &IndexExpr{}, |
| &Interpolation{}, |
| &LabelReference{}, |
| &LetClause{}, |
| &LetReference{}, |
| &ListLit{}, |
| &ListMarker{}, |
| &NodeLink{}, |
| &Null{}, |
| &Num{}, |
| &OptionalField{}, |
| &SelectorExpr{}, |
| &SliceExpr{}, |
| &String{}, |
| &StructLit{}, |
| &StructMarker{}, |
| &Top{}, |
| &UnaryExpr{}, |
| &ValueClause{}, |
| &Vertex{}, |
| } |
| for _, x := range testCases { |
| t.Run(fmt.Sprintf("%T", x), func(t *testing.T) { |
| if x.Source() != nil { |
| t.Error("nil source did not return nil") |
| } |
| }) |
| } |
| } |
