1 files changed, 79 insertions, 0 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_browserAction_popup_resize.js b/browser/components/extensions/test/browser/browser_ext_browserAction_popup_resize.js
new file mode 100644
index 0000000000..4a7ec8f2b7
--- /dev/null
+++ b/browser/components/extensions/test/browser/browser_ext_browserAction_popup_resize.js
@@ -0,0 +1,79 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+loadTestSubscript("head_browserAction.js");
+
+add_task(async function testBrowserActionPopupResize() {
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      browser_action: {
+        default_popup: "popup.html",
+        default_area: "navbar",
+        browser_style: true,
+      },
+    },
+
+    files: {
+      "popup.html":
+        '<!DOCTYPE html><html><head><meta charset="utf-8"></head></html>',
+    },
+  });
+
+  await extension.startup();
+
+  let browser = await openBrowserActionPanel(extension, undefined, true);
+
+  async function checkSize(expected) {
+    let dims = await promiseContentDimensions(browser);
+
+    Assert.lessOrEqual(
+      Math.abs(dims.window.innerHeight - expected),
+      1,
+      `Panel window should be ${expected}px tall (was ${dims.window.innerHeight})`
+    );
+    is(
+      dims.body.clientHeight,
+      dims.body.scrollHeight,
+      "Panel body should be tall enough to fit its contents"
+    );
+
+    // Tolerate if it is 1px too wide, as that may happen with the current resizing method.
+    Assert.lessOrEqual(
+      Math.abs(dims.window.innerWidth - expected),
+      1,
+      `Panel window should be ${expected}px wide`
+    );
+    is(
+      dims.body.clientWidth,
+      dims.body.scrollWidth,
+      "Panel body should be wide enough to fit its contents"
+    );
+  }
+
+  function setSize(size) {
+    content.document.body.style.height = `${size}px`;
+    content.document.body.style.width = `${size}px`;
+  }
+
+  let sizes = [200, 400, 300];
+
+  for (let size of sizes) {
+    await alterContent(browser, setSize, size);
+    await checkSize(size);
+  }
+
+  let popup = getBrowserActionPopup(extension);
+  await closeBrowserAction(extension);
+  is(popup.state, "closed", "browserAction popup has been closed");
+
+  await extension.unload();
+});
+
+add_task(async function testBrowserActionMenuResizeStandards() {
+  await testPopupSize(true);
+});
+
+add_task(async function testBrowserActionMenuResizeQuirks() {
+  await testPopupSize(false);
+});