[Tests] use nyc

.eslintignore

@@ -1,2 +1,3 @@
 Gruntfile.js
 *.min.js
+coverage/

.gitignore

@@ -7,3 +7,6 @@ node_modules/
 npm-shrinkwrap.json
 package-lock.json
 yarn.lock
+
+coverage/
+.nyc_output/

.nycrc

@@ -0,0 +1,12 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"Gruntfile.js",
+		"*.min.js",
+		"coverage",
+		"test",
+		"test-sham"
+	]
+}

package.json

@@ -25,11 +25,11 @@
   "scripts": {
     "prepublish": "safe-publish-latest && (not-in-publish || npm run minify)",
     "pretest": "npm run lint && evalmd *.md",
-    "test": "npm run tests-only",
+    "test": "NODE_OPTIONS='--unhandled-rejections=none' npm run tests-only",
     "posttest": "aud --production",
-    "tests-only": "NODE_OPTIONS='--unhandled-rejections=none' npm run test:shim && npm run test:sham",
-    "test:shim": "mocha test/*.js test/*/*.js",
-    "test:sham": "mocha test-sham/*.js",
+    "tests-only": "nyc mocha 'test/**/*.js' 'test-sham/*.js'",
+    "test:shim": "nyc mocha 'test/**/*.js'",
+    "test:sham": "nyc mocha 'test-sham/*.js'",
     "test:native": "NO_ES6_SHIM=1 npm run tests-only",
     "lint": "npm run lint:shim && npm run lint:sham",
     "lint:shim": "eslint es6-shim.js test/*.js test/*/*.js",
@@ -72,6 +72,7 @@
     "grunt-saucelabs": "^8.6.3",
     "in-publish": "^2.0.1",
     "mocha": "^3.5.3",
+    "nyc": "^10.3.2",
     "promises-aplus-tests": "^2.1.2",
     "promises-es6-tests": "^0.5.0",
     "safe-publish-latest": "^1.1.4",

test/mocha.opts

@@ -1,2 +1,5 @@
+--require es5-shim
+--require ./es6-shim
+--require ./es6-sham
 --require test/test_helpers.js