Add tests with setImmediate.

Author: RubenVerborgh

.travis.yml

@@ -15,7 +15,11 @@ branches:
 script:
   # Test code
   - npm run lint
-  - npm test
+  - npm run build
+  - npm run test:microtask
+  - if [ "$TRAVIS_NODE_VERSION" != "10" ]; then
+      npm run test:immediate;
+    fi
   # Test documentation
   - npm run docs
   # Test packaging

package.json

@@ -23,7 +23,9 @@
     "build:commonjs": "tsc --module commonjs && mv asynciterator.js asynciterator.cjs",
     "build:types": "tsc -d && rm asynciterator.js",
     "prepare": "npm run build",
-    "test": "npm run build:module && npm run mocha",
+    "test": "npm run build:module && npm run test:microtask",
+    "test:microtask": "npm run mocha",
+    "test:immediate": "npm run mocha -- --require test/useSetImmediate.js",
     "mocha": "c8 mocha",
     "lint": "eslint asynciterator.ts test",
     "docs": "npm run build:module && npm run jsdoc",

test/useSetImmediate.js

@@ -0,0 +1,2 @@
+import { setTaskScheduler } from '../asynciterator.mjs';
+setTaskScheduler(setImmediate);