test(doubleTap): cover constructor, verifier round-trip, and runner dispatch

pkg/spec/test/api.test.ts

@@ -2,6 +2,7 @@ import assert from "node:assert/strict";
 import { test } from "node:test";
 
 import {
+  DoubleTap,
   InputText,
   PressKey,
   Swipe,
@@ -138,6 +139,7 @@ function installFakeRuntime(): RecordedRuntime {
       return { generate: () => items[0] as T };
     },
     tap: ({ on }) => ({ kind: "Tap", on }),
+    doubleTap: ({ on }) => ({ kind: "DoubleTap", on }),
     inputText: ({ into, text }) => ({ kind: "InputText", into, text }),
     swipe: ({ from: fromPoint, to, durationMillis }) => ({
       kind: "Swipe",
@@ -218,6 +220,12 @@ test("Tap returns a TapAction with the supplied selector", () => {
   assert.deepEqual(action, { kind: "Tap", on: "id:login_continue" });
 });
 
+test("DoubleTap returns a DoubleTapAction with the supplied selector", () => {
+  installFakeRuntime();
+  const action = DoubleTap({ on: "id:save" });
+  assert.deepEqual(action, { kind: "DoubleTap", on: "id:save" });
+});
+
 test("Tap accepts an AccessibilityElement", () => {
   installFakeRuntime();
   const element: AccessibilityElement = {

pkg/spec/test/defaults.test.ts

@@ -58,6 +58,7 @@ function installRuntime(initialState: State): RecordedRuntime {
     }),
     from: <T>(_items: readonly T[]): Sampler<T> => ({ generate: () => _items[0] as T }),
     tap: ({ on }) => ({ kind: "Tap", on }),
+    doubleTap: ({ on }) => ({ kind: "DoubleTap", on }),
     inputText: ({ into, text }) => ({ kind: "InputText", into, text }),
     swipe: (p) => ({ kind: "Swipe", from: p.from, to: p.to, durationMillis: p.durationMillis }),
     pressKey: ({ key }) => ({ kind: "PressKey", key }),