update packages to latest version

node_modules/npm/test/tap/global-prefix-set-in-userconfig.js

@@ -0,0 +1,36 @@
+var common = require("../common-tap.js")
+var test = require("tap").test
+var rimraf = require("rimraf")
+var prefix = __filename.replace(/\.js$/, "")
+var rcfile = __filename.replace(/\.js$/, ".npmrc")
+var fs = require("fs")
+var conf = "prefix = " + prefix + "\n"
+
+test("setup", function (t) {
+  rimraf.sync(prefix)
+  fs.writeFileSync(rcfile, conf)
+  t.pass("ready")
+  t.end()
+})
+
+test("run command", function (t) {
+  var args = ["prefix", "-g", "--userconfig=" + rcfile]
+  common.npm(args, {env: {}}, function (er, code, so) {
+    if (er) throw er
+    t.notOk(code, "npm prefix exited with code 0")
+    t.equal(so.trim(), prefix)
+    t.end()
+  })
+})
+
+test("made dir", function (t) {
+  t.ok(fs.statSync(prefix).isDirectory())
+  t.end()
+})
+
+test("cleanup", function (t) {
+  rimraf.sync(prefix)
+  rimraf.sync(rcfile)
+  t.pass("clean")
+  t.end()
+})