1 files changed, 114 insertions, 0 deletions
diff --git a/browser/base/content/test/zoom/browser_default_zoom_fission.js b/browser/base/content/test/zoom/browser_default_zoom_fission.js
new file mode 100644
index 0000000000..4d3d8b3896
--- /dev/null
+++ b/browser/base/content/test/zoom/browser_default_zoom_fission.js
@@ -0,0 +1,114 @@
+/* Any copyright is dedicated to the Public Domain.
+ * https://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function test_sitespecific_iframe_global_zoom() {
+  const TEST_PAGE_URL =
+    'data:text/html;charset=utf-8,<body>test_sitespecific_iframe_global_zoom<iframe src=""></iframe></body>';
+  const TEST_IFRAME_URL = "https://example.com/";
+
+  // Prepare the test tab
+  console.log("Creating tab");
+  let tab = BrowserTestUtils.addTab(gBrowser, TEST_PAGE_URL);
+  let tabBrowser = gBrowser.getBrowserForTab(tab);
+  console.log("Loading tab");
+  await FullZoomHelper.selectTabAndWaitForLocationChange(tab);
+
+  // 67% global zoom
+  console.log("Changing default zoom");
+  await FullZoomHelper.changeDefaultZoom(67);
+  let defaultZoom = await FullZoomHelper.getGlobalValue();
+  is(defaultZoom, 0.67, "Global zoom is at 67%");
+  await TestUtils.waitForCondition(() => {
+    console.log("Current zoom is: ", ZoomManager.getZoomForBrowser(tabBrowser));
+    return ZoomManager.getZoomForBrowser(tabBrowser) == 0.67;
+  });
+
+  let zoomLevel = ZoomManager.getZoomForBrowser(tabBrowser).toFixed(2);
+  is(zoomLevel, "0.67", "tab zoom has been set to 67%");
+
+  let frameLoadedPromise = BrowserTestUtils.browserLoaded(
+    tabBrowser,
+    true,
+    TEST_IFRAME_URL
+  );
+  console.log("Spawinging iframe");
+  SpecialPowers.spawn(tabBrowser, [TEST_IFRAME_URL], url => {
+    content.document.querySelector("iframe").src = url;
+  });
+  console.log("Awaiting frame promise");
+  let loadedURL = await frameLoadedPromise;
+  is(loadedURL, TEST_IFRAME_URL, "got the load event for the iframe");
+
+  let frameZoom = await SpecialPowers.spawn(
+    gBrowser.selectedBrowser.browsingContext.children[0],
+    [],
+    async () => {
+      await ContentTaskUtils.waitForCondition(() => {
+        return content.docShell.browsingContext.fullZoom.toFixed(2) == 0.67;
+      });
+      return content.docShell.browsingContext.fullZoom.toFixed(2);
+    }
+  );
+
+  is(frameZoom, zoomLevel, "global zoom is reflected in iframe");
+  console.log("Removing tab");
+  await FullZoomHelper.removeTabAndWaitForLocationChange();
+});
+
+add_task(async function test_sitespecific_global_zoom_enlarge() {
+  const TEST_PAGE_URL =
+    'data:text/html;charset=utf-8,<body>test_sitespecific_global_zoom_enlarge<iframe src=""></iframe></body>';
+  const TEST_IFRAME_URL = "https://example.org/";
+
+  // Prepare the test tab
+  console.log("Adding tab");
+  let tab = BrowserTestUtils.addTab(gBrowser, TEST_PAGE_URL);
+  let tabBrowser = gBrowser.getBrowserForTab(tab);
+  console.log("Awaiting tab load");
+  await FullZoomHelper.selectTabAndWaitForLocationChange(tab);
+
+  // 67% global zoom persists from previous test
+
+  let frameLoadedPromise = BrowserTestUtils.browserLoaded(
+    tabBrowser,
+    true,
+    TEST_IFRAME_URL
+  );
+  console.log("Spawning iframe");
+  SpecialPowers.spawn(tabBrowser, [TEST_IFRAME_URL], url => {
+    content.document.querySelector("iframe").src = url;
+  });
+  console.log("Awaiting iframe load");
+  let loadedURL = await frameLoadedPromise;
+  is(loadedURL, TEST_IFRAME_URL, "got the load event for the iframe");
+  console.log("Enlarging tab");
+  await FullZoom.enlarge();
+  // 80% local zoom
+  await TestUtils.waitForCondition(() => {
+    console.log("Current zoom is: ", ZoomManager.getZoomForBrowser(tabBrowser));
+    return ZoomManager.getZoomForBrowser(tabBrowser) == 0.8;
+  });
+
+  is(
+    ZoomManager.getZoomForBrowser(tabBrowser).toFixed(2),
+    "0.80",
+    "Local zoom is increased"
+  );
+
+  let frameZoom = await SpecialPowers.spawn(
+    gBrowser.selectedBrowser.browsingContext.children[0],
+    [],
+    async () => {
+      await ContentTaskUtils.waitForCondition(() => {
+        return content.docShell.browsingContext.fullZoom.toFixed(2) == 0.8;
+      });
+      return content.docShell.browsingContext.fullZoom.toFixed(2);
+    }
+  );
+
+  is(frameZoom, "0.80", "(without fission) iframe zoom matches page zoom");
+  console.log("Removing tab");
+  await FullZoomHelper.removeTabAndWaitForLocationChange();
+});