Fix.

node_modules/caseless/test.js

@@ -0,0 +1,67 @@
+var tape = require('tape')
+  , caseless = require('./')
+  ;
+
+tape('set get has', function (t) {
+  var headers = {}
+    , c = caseless(headers)
+    ;
+  t.plan(17)
+  c.set('a-Header', 'asdf')
+  t.equal(c.get('a-header'), 'asdf')
+  t.equal(c.has('a-header'), 'a-Header')
+  t.ok(!c.has('nothing'))
+  // old bug where we used the wrong regex
+  t.ok(!c.has('a-hea'))
+  c.set('a-header', 'fdsa')
+  t.equal(c.get('a-header'), 'fdsa')
+  t.equal(c.get('a-Header'), 'fdsa')
+  c.set('a-HEADER', 'more', false)
+  t.equal(c.get('a-header'), 'fdsa,more')
+
+  t.deepEqual(headers, {'a-Header': 'fdsa,more'})
+  c.swap('a-HEADER')
+  t.deepEqual(headers, {'a-HEADER': 'fdsa,more'})
+
+  c.set('deleteme', 'foobar')
+  t.ok(c.has('deleteme'))
+  t.ok(c.del('deleteme'))
+  t.notOk(c.has('deleteme'))
+  t.notOk(c.has('idonotexist'))
+  t.ok(c.del('idonotexist'))
+
+  c.set('tva', 'test1')
+  c.set('tva-header', 'test2')
+  t.equal(c.has('tva'), 'tva')
+  t.notOk(c.has('header'))
+
+  t.equal(c.get('tva'), 'test1')
+
+})
+
+tape('swap', function (t) {
+  var headers = {}
+    , c = caseless(headers)
+    ;
+  t.plan(4)
+  // No Header to Swap.
+  t.throws(function () {
+    c.swap('content-type')
+  })
+  // Set Header.
+  c.set('content-type', 'application/json')
+  // Swap Header With Itself.
+  c.swap('content-type')
+  // Does Not Delete Itself.
+  t.ok(c.has('content-type'))
+  // Swap Header With a Different Header.
+  c.swap('Content-Type')
+  // Still Has Header.
+  t.ok(c.has('Content-Type'))
+  // Delete Header.
+  c.del('Content-Type')
+  // No Header to Swap.
+  t.throws(function () {
+    c.swap('content-type')
+  })
+})