diff --git a/content/base/test/unit/test_csp_ignores_path.js b/content/base/test/unit/test_csp_ignores_path.js
new file mode 100644
index 000000000000..02fc65907651
--- /dev/null
+++ b/content/base/test/unit/test_csp_ignores_path.js
@@ -0,0 +1,133 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cu = Components.utils;
+
+Cu.import('resource://gre/modules/CSPUtils.jsm');
+
+var ioService = Cc["@mozilla.org/network/io-service;1"]
+                  .getService(Ci.nsIIOService);
+var self = ioService.newURI("http://test1.example.com:80", null, null);
+
+function testValidSRCsRegularHost() {
+  var csps = [
+    "test1.example.com",
+    "test1.example.com/",
+    "test1.example.com/path-1",
+    "test1.example.com/path-1/",
+    "test1.example.com/path-1/path_2/",
+    "test1.example.com/path-1/path_2/file.js",
+    "test1.example.com/path-1/path_2/file_1.js",
+    "test1.example.com/path-1/path_2/file-2.js",
+    "test1.example.com/path-1/path_2/f.js"
+  ]
+
+  var obj;
+  var expected = "http://test1.example.com:80";
+  for (let i in csps) {
+    var src = csps[i];
+    obj = CSPSourceList.fromString(src, undefined, self);
+    do_check_eq(1, obj._sources.length);
+    do_check_eq(obj._sources[0], expected);
+  }
+}
+
+function testValidSRCsWildCardHost() {
+  var csps = [
+    "*.example.com",
+    "*.example.com/",
+    "*.example.com/path-1",
+    "*.example.com/path-1/",
+    "*.example.com/path-1/path_2/",
+    "*.example.com/path-1/path_2/file.js",
+    "*.example.com/path-1/path_2/file_1.js",
+    "*.example.com/path-1/path_2/file-2.js",
+    "*.example.com/path-1/path_2/f.js",
+  ]
+
+  var obj;
+  var expected = "http://*.example.com:80";
+  for (let i in csps) {
+    var src = csps[i];
+    obj = CSPSourceList.fromString(src, undefined, self);
+    do_check_eq(1, obj._sources.length);
+    do_check_eq(obj._sources[0], expected);
+  }
+}
+
+function testValidSRCsRegularPort() {
+  var csps = [
+    "test1.example.com:80",
+    "test1.example.com:80/",
+    "test1.example.com:80/path-1",
+    "test1.example.com:80/path-1/",
+    "test1.example.com:80/path-1/path_2",
+    "test1.example.com:80/path-1/path_2/",
+    "test1.example.com:80/path-1/path_2/file.js"
+  ]
+
+  var obj;
+  var expected = "http://test1.example.com:80";
+  for (let i in csps) {
+    var src = csps[i];
+    obj = CSPSourceList.fromString(src, undefined, self);
+    do_check_eq(1, obj._sources.length);
+    do_check_eq(obj._sources[0], expected);
+  }
+}
+
+function testValidSRCsWildCardPort() {
+  var csps = [
+    "test1.example.com:*",
+    "test1.example.com:*/",
+    "test1.example.com:*/path-1",
+    "test1.example.com:*/path-1/",
+    "test1.example.com:*/path-1/path_2",
+    "test1.example.com:*/path-1/path_2/",
+    "test1.example.com:*/path-1/path_2/file.js"
+  ]
+
+  var obj;
+  var expected = "http://test1.example.com:*";
+  for (let i in csps) {
+    var src = csps[i];
+    obj = CSPSourceList.fromString(src, undefined, self);
+    do_check_eq(1, obj._sources.length);
+    do_check_eq(obj._sources[0], expected);
+  }
+}
+
+
+function testInvalidSRCs() {
+  var csps = [
+    "test1.example.com/path-1//path_2",
+    "test1.example.com/path-1/file.js.cpp",
+    "test1.example.com:88path-1/",
+    "test1.example.com:80//",
+    "test1.example.com:80//path-1",
+    "test1.example.com:80/.js",
+    "test1.example.com:80.js",
+    "test1.example.com:*.js",
+    "test1.example.com:*."
+  ]
+
+  var obj;
+  var expected = [];
+  for (let i in csps) {
+    var src = csps[i];
+    obj = CSPSourceList.fromString(src, undefined, self);
+    do_check_eq(0, obj._sources.length);
+  }
+}
+
+function run_test() {
+  testValidSRCsRegularHost();
+  testValidSRCsWildCardHost();
+  testValidSRCsRegularPort();
+  testValidSRCsWildCardPort();
+  testInvalidSRCs();
+  do_test_finished();
+}
diff --git a/content/base/test/unit/xpcshell.ini b/content/base/test/unit/xpcshell.ini
index 24b526c545af..6e4ef89e4e6d 100644
--- a/content/base/test/unit/xpcshell.ini
+++ b/content/base/test/unit/xpcshell.ini
@@ -30,3 +30,4 @@ run-sequentially = Hardcoded 4444 port.
 [test_thirdpartyutil.js]
 [test_xhr_standalone.js]
 [test_xmlserializer.js]
+[test_csp_ignores_path.js]