Tests: tape & nyc instead mocha & istanbul

.gitignore

@@ -1,3 +1,4 @@
+.nyc_output
 coverage
 build
 node_modules

karma.conf.js

@@ -1,22 +1,26 @@
 module.exports = function (config) {
   config.set({
     browserNoActivityTimeout: 120000,
-    frameworks: ['browserify', 'detectBrowsers', 'mocha'],
     files: [
       'test/index.js'
     ],
-    preprocessors: {
-      'test/index.js': ['browserify', 'env']
-    },
-    singleRun: true,
+    frameworks: [
+      'browserify',
+      'detectBrowsers',
+      'tap'
+    ],
     plugins: [
       'karma-browserify',
       'karma-chrome-launcher',
       'karma-env-preprocessor',
       'karma-firefox-launcher',
       'karma-detect-browsers',
-      'karma-mocha'
+      'karma-tap'
     ],
+    preprocessors: {
+      'test/index.js': ['browserify', 'env']
+    },
+    singleRun: true,
     browserify: {
       debug: true
     },

package.json

@@ -37,37 +37,40 @@
   },
   "scripts": {
     "clean": "node-gyp clean",
+    "coverage": "RANDOM_TESTS_REPEAT=1 nyc tape test/index.js",
+    "coverage-lcov": "npm run coverage && nyc report -r lcov",
     "install": "npm run rebuild",
     "lint": "standard",
     "rebuild": "node-gyp rebuild",
-    "test": "npm run test:node && npm run test:browser",
-    "test:browser": "karma start karma.conf.js",
-    "test:node": "istanbul test node_modules/mocha/bin/_mocha -- --reporter spec test/index.js"
+    "test": "npm run unit",
+    "unit": "npm run unit:node && npm run unit:browser",
+    "unit:browser": "karma start karma.conf.js",
+    "unit:node": "tape test/index.js |faucet"
   },
   "dependencies": {
     "bindings": "^1.2.1",
     "bip66": "^1.1.3",
-    "bn.js": "^4.10.0",
-    "drbg.js": "^1.0.0",
+    "bn.js": "^4.11.3",
+    "drbg.js": "^1.0.1",
     "elliptic": "^6.2.3",
-    "nan": "^2.2.0"
+    "nan": "^2.2.1"
   },
   "devDependencies": {
     "bignum": "^0.11.0",
-    "chai": "^3.4.0",
-    "istanbul": "^0.4.0",
-    "karma": "^0.13.14",
-    "karma-browserify": "^4.4.0",
-    "karma-chrome-launcher": "^0.2.1",
-    "karma-detect-browsers": "^2.0.2",
+    "browserify": "^13.0.0",
+    "faucet": "0.0.1",
+    "karma": "^0.13.22",
+    "karma-browserify": "^5.0.4",
+    "karma-chrome-launcher": "^0.2.3",
+    "karma-detect-browsers": "^2.1.0",
     "karma-env-preprocessor": "^0.1.1",
     "karma-firefox-launcher": "^0.1.6",
-    "karma-mocha": "^0.2.0",
-    "mocha": "^2.3.3",
-    "node-gyp": "^3.0.3",
-    "progress": "^1.1.8",
-    "standard": "^5.3.1",
-    "xorshift.js": "^1.0.1"
+    "karma-tap": "^1.0.4",
+    "node-gyp": "^3.3.1",
+    "nyc": "^6.4.0",
+    "standard": "^6.0.8",
+    "tape": "^4.5.1",
+    "xorshift.js": "^1.0.3"
   },
   "engines": {
     "node": ">=0.10"