1 files changed, 51 insertions, 0 deletions
diff --git a/dom/security/test/csp/test_empty_directive.html b/dom/security/test/csp/test_empty_directive.html
new file mode 100644
index 0000000000..81c5df8403
--- /dev/null
+++ b/dom/security/test/csp/test_empty_directive.html
@@ -0,0 +1,51 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1439425
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1439425</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1439425">Mozilla Bug 1439425</a>
+<p id="display"></p>
+
+<iframe id="cspframe"></iframe>
+
+<pre id="test">
+
+<script class="testbody" type="text/javascript">
+let consoleCount = 0;
+
+function cleanup() {
+  SpecialPowers.postConsoleSentinel();
+}
+
+function finish() {
+  SimpleTest.finish();
+}
+
+SpecialPowers.registerConsoleListener(function ConsoleMsgListener(aMsg) {
+  if (aMsg.message == "SENTINEL") {
+    is(consoleCount, 0);
+    SimpleTest.executeSoon(finish);
+  } else if (aMsg.message.includes("Content-Security-Policy")) {
+    ++consoleCount;
+    ok(false, "Must never see a console warning here");
+  }
+});
+
+// set up and start testing
+SimpleTest.waitForExplicitFinish();
+let frame = document.getElementById('cspframe');
+frame.onload = () => {
+  SimpleTest.executeSoon(cleanup);
+};
+frame.src = 'file_empty_directive.html';
+</script>
+</pre>
+</body>
+</html>