Add m-esr52 at 52.6.0

1 files changed, 18 insertions, 0 deletions

diff --git a/browser/base/content/test/general/browser_minimize.js b/browser/base/content/test/general/browser_minimize.js
new file mode 100644
index 000000000..1d761c0da
--- /dev/null
+++ b/browser/base/content/test/general/browser_minimize.js
@@ -0,0 +1,18 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+add_task(function *() {
+    registerCleanupFunction(function() {
+      window.restore();
+    });
+    function waitForActive() { return gBrowser.selectedTab.linkedBrowser.docShellIsActive; }
+    function waitForInactive() { return !gBrowser.selectedTab.linkedBrowser.docShellIsActive; }
+    yield promiseWaitForCondition(waitForActive);
+    is(gBrowser.selectedTab.linkedBrowser.docShellIsActive, true, "Docshell should be active");
+    window.minimize();
+    yield promiseWaitForCondition(waitForInactive);
+    is(gBrowser.selectedTab.linkedBrowser.docShellIsActive, false, "Docshell should be Inactive");
+    window.restore();
+    yield promiseWaitForCondition(waitForActive);
+    is(gBrowser.selectedTab.linkedBrowser.docShellIsActive, true, "Docshell should be active again");
+});