1 files changed, 41 insertions, 0 deletions
diff --git a/toolkit/crashreporter/test/browser/browser_bug471404.js b/toolkit/crashreporter/test/browser/browser_bug471404.js
new file mode 100644
index 000000000..f0eb00b71
--- /dev/null
+++ b/toolkit/crashreporter/test/browser/browser_bug471404.js
@@ -0,0 +1,41 @@
+function check_clear_visible(browser, aVisible) {
+  return ContentTask.spawn(browser, aVisible, function (aVisible) {
+    let doc = content.document;
+    let visible = false;
+    let button = doc.getElementById("clear-reports");
+    if (button) {
+      let style = doc.defaultView.getComputedStyle(button, "");
+      if (style.display != "none" &&
+          style.visibility == "visible")
+        visible = true;
+    }
+    Assert.equal(visible, aVisible,
+      "clear reports button is " + (aVisible ? "visible" : "hidden"));
+  });
+}
+
+// each test here has a setup (run before loading about:crashes) and onload (run after about:crashes loads)
+var _tests = [{setup: null, onload: function(browser) { return check_clear_visible(browser, false); }},
+              {setup: function(crD) { return add_fake_crashes(crD, 1); },
+               onload: function(browser) { return check_clear_visible(browser, true); }}
+              ];
+
+add_task(function* test() {
+  let appD = make_fake_appdir();
+  let crD = appD.clone();
+  crD.append("Crash Reports");
+
+  yield BrowserTestUtils.withNewTab({ gBrowser, url: "about:blank" }, function* (browser) {
+    for (let test of _tests) {
+      // Run setup before loading about:crashes.
+      if (test.setup) {
+        yield test.setup(crD);
+      }
+
+      BrowserTestUtils.loadURI(browser, "about:crashes");
+      yield BrowserTestUtils.browserLoaded(browser).then(() => test.onload(browser));
+    }
+  });
+
+  cleanup_fake_appdir();
+});