1 files changed, 49 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser_webconsole_bug_582201_duplicate_errors.js b/devtools/client/webconsole/test/browser_webconsole_bug_582201_duplicate_errors.js
new file mode 100644
index 000000000..5e7b141eb
--- /dev/null
+++ b/devtools/client/webconsole/test/browser_webconsole_bug_582201_duplicate_errors.js
@@ -0,0 +1,49 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests that exceptions thrown by content don't show up twice in the Web
+// Console.
+
+"use strict";
+
+const INIT_URI = "data:text/html;charset=utf8,hello world";
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/" +
+                 "test/test-duplicate-error.html";
+
+add_task(function* () {
+  yield loadTab(INIT_URI);
+
+  let hud = yield openConsole();
+
+  // On e10s, the exception is triggered in child process
+  // and is ignored by test harness
+  if (!Services.appinfo.browserTabsRemoteAutostart) {
+    expectUncaughtException();
+  }
+
+  BrowserTestUtils.loadURI(gBrowser.selectedBrowser, TEST_URI);
+
+  yield waitForMessages({
+    webconsole: hud,
+    messages: [{
+      text: "fooDuplicateError1",
+      category: CATEGORY_JS,
+      severity: SEVERITY_ERROR,
+    },
+    {
+      text: "test-duplicate-error.html",
+      category: CATEGORY_NETWORK,
+      severity: SEVERITY_LOG,
+    }],
+  });
+
+  let text = hud.outputNode.textContent;
+  let error1pos = text.indexOf("fooDuplicateError1");
+  ok(error1pos > -1, "found fooDuplicateError1");
+  if (error1pos > -1) {
+    ok(text.indexOf("fooDuplicateError1", error1pos + 1) == -1,
+      "no duplicate for fooDuplicateError1");
+  }
+});