--- /dev/null
+var readInstalled = require("../read-installed.js")
+var test = require("tap").test
+var json = require("../package.json")
+var path = require("path")
+var known = [].concat(Object.keys(json.dependencies)
+ , Object.keys(json.optionalDependencies)
+ , Object.keys(json.devDependencies)).sort()
+
+test("make sure that it works without dev deps", function (t) {
+ readInstalled(path.join(__dirname, "../"), function (er, map) {
+ t.notOk(er, "er should be bull")
+ t.ok(map, "map should be data")
+ if (er) return console.error(er.stack || er.message)
+ var deps = Object.keys(map.dependencies).sort()
+ t.equal(deps.length, known.length, "array lengths are equal")
+ t.deepEqual(deps, known, "arrays should be equal")
+ t.ok(map.dependencies.tap.extraneous, 'extraneous is set on devDep')
+ t.end()
+ })
+})
+