Add m-esr52 at 52.6.0

1 files changed, 76 insertions, 0 deletions

diff --git a/devtools/client/responsive.html/test/browser/browser_page_state.js b/devtools/client/responsive.html/test/browser/browser_page_state.js
new file mode 100644
index 000000000..306900535
--- /dev/null
+++ b/devtools/client/responsive.html/test/browser/browser_page_state.js
@@ -0,0 +1,76 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test page state to ensure page is not reloaded and session history is not
+// modified.
+
+const DUMMY_1_URL = "http://example.com/";
+const TEST_URL = `${URL_ROOT}doc_page_state.html`;
+const DUMMY_2_URL = "http://example.com/browser/";
+
+add_task(function* () {
+  // Load up a sequence of pages:
+  // 0. DUMMY_1_URL
+  // 1. TEST_URL
+  // 2. DUMMY_2_URL
+  let tab = yield addTab(DUMMY_1_URL);
+  let browser = tab.linkedBrowser;
+  yield load(browser, TEST_URL);
+  yield load(browser, DUMMY_2_URL);
+
+  // Check session history state
+  let history = yield getSessionHistory(browser);
+  is(history.index, 2, "At page 2 in history");
+  is(history.entries.length, 3, "3 pages in history");
+  is(history.entries[0].uri, DUMMY_1_URL, "Page 0 URL matches");
+  is(history.entries[1].uri, TEST_URL, "Page 1 URL matches");
+  is(history.entries[2].uri, DUMMY_2_URL, "Page 2 URL matches");
+
+  // Go back one so we're at the test page
+  yield back(browser);
+
+  // Check session history state
+  history = yield getSessionHistory(browser);
+  is(history.index, 1, "At page 1 in history");
+  is(history.entries.length, 3, "3 pages in history");
+  is(history.entries[0].uri, DUMMY_1_URL, "Page 0 URL matches");
+  is(history.entries[1].uri, TEST_URL, "Page 1 URL matches");
+  is(history.entries[2].uri, DUMMY_2_URL, "Page 2 URL matches");
+
+  // Click on content to set an altered state that would be lost on reload
+  yield BrowserTestUtils.synthesizeMouseAtCenter("body", {}, browser);
+
+  let { ui } = yield openRDM(tab);
+
+  // Check color inside the viewport
+  let color = yield spawnViewportTask(ui, {}, function* () {
+    // eslint-disable-next-line mozilla/no-cpows-in-tests
+    return content.getComputedStyle(content.document.body)
+                  .getPropertyValue("background-color");
+  });
+  is(color, "rgb(0, 128, 0)",
+     "Content is still modified from click in viewport");
+
+  yield closeRDM(tab);
+
+  // Check color back in the browser tab
+  color = yield ContentTask.spawn(browser, {}, function* () {
+    // eslint-disable-next-line mozilla/no-cpows-in-tests
+    return content.getComputedStyle(content.document.body)
+                  .getPropertyValue("background-color");
+  });
+  is(color, "rgb(0, 128, 0)",
+     "Content is still modified from click in browser tab");
+
+  // Check session history state
+  history = yield getSessionHistory(browser);
+  is(history.index, 1, "At page 1 in history");
+  is(history.entries.length, 3, "3 pages in history");
+  is(history.entries[0].uri, DUMMY_1_URL, "Page 0 URL matches");
+  is(history.entries[1].uri, TEST_URL, "Page 1 URL matches");
+  is(history.entries[2].uri, DUMMY_2_URL, "Page 2 URL matches");
+
+  yield removeTab(tab);
+});