1 files changed, 27 insertions, 0 deletions
diff --git a/toolkit/components/thumbnails/test/browser_thumbnails_bug726727.js b/toolkit/components/thumbnails/test/browser_thumbnails_bug726727.js
new file mode 100644
index 0000000000..31bb2f2f0a
--- /dev/null
+++ b/toolkit/components/thumbnails/test/browser_thumbnails_bug726727.js
@@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * These tests ensure that capturing a sites's thumbnail, saving it and
+ * retrieving it from the cache works.
+ */
+add_task(async function thumbnails_bg_bug726727() {
+  // Create a tab that shows an error page.
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+    },
+    async browser => {
+      let errorPageLoaded = BrowserTestUtils.browserLoaded(
+        browser,
+        false,
+        null,
+        true
+      );
+      BrowserTestUtils.startLoadingURIString(browser, "http://127.0.0.1:1");
+      await errorPageLoaded;
+      let result = await PageThumbs.shouldStoreThumbnail(browser);
+      ok(!result, "we're not going to capture an error page");
+    }
+  );
+});