1 files changed, 45 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_480893.js b/browser/components/sessionstore/test/browser_480893.js
new file mode 100644
index 0000000000..410f986d47
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_480893.js
@@ -0,0 +1,45 @@
+"use strict";
+
+/**
+ * Tests that we get sent to the right page when the user clicks
+ * the "Close" button in about:sessionrestore
+ */
+add_task(async function () {
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.startup.page", 0]],
+  });
+
+  let tab = BrowserTestUtils.addTab(gBrowser, "about:sessionrestore");
+  gBrowser.selectedTab = tab;
+  let browser = tab.linkedBrowser;
+  await BrowserTestUtils.browserLoaded(browser, false, "about:sessionrestore");
+
+  let doc = browser.contentDocument;
+
+  // Click on the "Close" button after about:sessionrestore is loaded.
+  doc.getElementById("errorCancel").click();
+
+  await BrowserTestUtils.browserLoaded(browser, false, "about:blank");
+
+  // Test that starting a new session loads the homepage (set to http://mochi.test:8888)
+  // if Firefox is configured to display a homepage at startup (browser.startup.page = 1)
+  let homepage = "http://mochi.test:8888/";
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["browser.startup.homepage", homepage],
+      ["browser.startup.page", 1],
+    ],
+  });
+
+  BrowserTestUtils.loadURIString(browser, "about:sessionrestore");
+  await BrowserTestUtils.browserLoaded(browser, false, "about:sessionrestore");
+  doc = browser.contentDocument;
+
+  // Click on the "Close" button after about:sessionrestore is loaded.
+  doc.getElementById("errorCancel").click();
+  await BrowserTestUtils.browserLoaded(browser);
+
+  is(browser.currentURI.spec, homepage, "loaded page is the homepage");
+
+  BrowserTestUtils.removeTab(tab);
+});