Migrate to node built-in test runner (#5)

.github/workflows/node.js.yml

@@ -5,24 +5,23 @@ name: Node.js CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [main]
   pull_request:
-    branches: [ master ]
+    branches: [main]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [18.x, 20.x]
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v3
-      with:
-        node-version: ${{ matrix.node-version }}
-        cache: 'npm'
-    - run: npm test
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+      - run: npm test

package.json

@@ -12,7 +12,7 @@
   "license": "MIT",
   "type": "module",
   "scripts": {
-    "test": "node test.js"
+    "test": "node --test"
   },
   "keywords": [
     "function",

test.js

@@ -1,32 +1,25 @@
 import assert from "node:assert";
+import { test } from "node:test";
 import { F } from "./index.js";
 
 let cases = [
-  [0n, 0n,  0n, 0n],
-  [0n, 1n,  0n, 1n],
-  [0n, 2n,  0n, 2n],
-  [0n, 2n,  2n, 4n],
-  [0n, 5n,  6n, 11n],
-  [1n, 4n,  7n, 759n],
-  [1n, 8n,  8n, 2550n],
-  [1n, 9n,  14n, 180208n],
+  [0n, 0n, 0n, 0n],
+  [0n, 1n, 0n, 1n],
+  [0n, 2n, 0n, 2n],
+  [0n, 2n, 2n, 4n],
+  [0n, 5n, 6n, 11n],
+  [1n, 4n, 7n, 759n],
+  [1n, 8n, 8n, 2550n],
+  [1n, 9n, 14n, 180208n],
   [1n, 14n, 14n, 262128n],
-  [2n, 1n,  1n, 8n],
-  [2n, 5n,  1n, 440n],
-  [2n, 1n,  2n, 10228n],
-  [2n, 2n,  2n, 15569256417n],
+  [2n, 1n, 1n, 8n],
+  [2n, 5n, 1n, 440n],
+  [2n, 1n, 2n, 10228n],
+  [2n, 2n, 2n, 15569256417n],
 ];
 
 cases.forEach(([n, x, y, expected]) => {
-  try {
+  test(`{ n: ${n}, x: ${x}, y: ${y} } ⇒ ${expected}`, () => {
     assert.strictEqual(F(n, x, y), expected);
-    console.log("✓", { n, x, y }, "⇒", expected);
-  } catch (error) {
-    if (error instanceof assert.AssertionError) {
-      console.log("X", { n, x, y }, "⇒", expected, error.message);
-      process.exitCode = 1;
-    } else {
-      throw error;
-    }
-  }
+  });
 });