--- /dev/null
+var readInstalled = require('../read-installed.js')
+var test = require('tap').test
+var path = require('path');
+
+test('"latest" version is valid', function(t) {
+ // This test verifies npm#3860
+ readInstalled(
+ path.join(__dirname, 'fixtures/peer-at-latest'),
+ { log: console.error },
+ function(err, map) {
+ t.notOk(map.dependencies.debug.invalid, 'debug@latest is satisfied by a peer')
+ t.end()
+ })
+})