cover all

test/util/assert.js

@@ -0,0 +1,18 @@
+const chai = require('chai')
+const expect = chai.expect
+const assert = require('../../src/util/assert.js')
+
+describe('assert', function () {
+  it('should not throw if predicate is truthy', function () {
+    var fn = () => assert('foo', 'bar')
+    expect(fn).to.not.throw()
+  })
+  it('should not throw if predicate is truthy', function () {
+    var fn = () => assert('', 'bar')
+    expect(fn).to.throw(/bar/)
+  })
+  it('should populate default message', function () {
+    var fn = () => assert(false)
+    expect(fn).to.throw(/expect false to be true/)
+  })
+})

test/util/underscore.js

@@ -72,6 +72,14 @@ describe('util/underscore', function () {
       expect(log).to.have.been.calledWith('[foo]', 'bar')
     })
   })
+  describe('.range()', function () {
+    it('should return a range of integers', function () {
+      expect(_.range(3, 5)).to.deep.equal([3, 4])
+    })
+    it('should treat start as 0 if omitted', function () {
+      expect(_.range(3)).to.deep.equal([0, 1, 2])
+    })
+  })
   describe('.assign()', function () {
     it('should handle null dst', function () {
       expect(_.assign(null, {