1 files changed, 22 insertions, 0 deletions
diff --git a/llparse-frontend/test/fixtures/implementation/node/single.ts b/llparse-frontend/test/fixtures/implementation/node/single.ts
new file mode 100644
index 0000000..b24ef93
--- /dev/null
+++ b/llparse-frontend/test/fixtures/implementation/node/single.ts
@@ -0,0 +1,22 @@
+import { node } from '../../../../src/frontend';
+import { Node } from './base';
+
+export class Single extends Node<node.Single> {
+  protected doBuild(out: string[]): void {
+    const edges: string[] = [];
+    for (const edge of this.ref.edges) {
+      let str = `k${edge.key}${edge.noAdvance ? '-no_adv-' : ''}=` +
+        `${edge.node.ref.id.name}`;
+      if (edge.value !== undefined) {
+        str += `:${edge.value}`;
+      }
+      edges.push(str);
+    }
+    out.push(this.format(edges.join(' ')));
+
+    for (const edge of this.ref.edges) {
+      const edgeNode = edge.node as Node<node.Node>;
+      edgeNode.build(out);
+    }
+  }
+}