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-rw-r--r--browser/base/content/test/startup/browser.ini2
-rw-r--r--browser/base/content/test/startup/browser_preXULSkeletonUIRegistry.js136
2 files changed, 138 insertions, 0 deletions
diff --git a/browser/base/content/test/startup/browser.ini b/browser/base/content/test/startup/browser.ini
new file mode 100644
index 0000000000..00ee1d9ed2
--- /dev/null
+++ b/browser/base/content/test/startup/browser.ini
@@ -0,0 +1,2 @@
+[browser_preXULSkeletonUIRegistry.js]
+skip-if = !(os == 'win' && os_version == '10.0') # We only enable the skele UI on Win10 \ No newline at end of file
diff --git a/browser/base/content/test/startup/browser_preXULSkeletonUIRegistry.js b/browser/base/content/test/startup/browser_preXULSkeletonUIRegistry.js
new file mode 100644
index 0000000000..7b96764eba
--- /dev/null
+++ b/browser/base/content/test/startup/browser_preXULSkeletonUIRegistry.js
@@ -0,0 +1,136 @@
+ChromeUtils.defineESModuleGetters(this, {
+ WindowsRegistry: "resource://gre/modules/WindowsRegistry.sys.mjs",
+});
+
+function getFirefoxExecutableFile() {
+ let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
+ file = Services.dirsvc.get("GreBinD", Ci.nsIFile);
+
+ file.append(AppConstants.MOZ_APP_NAME + ".exe");
+ return file;
+}
+
+// This is copied from WindowsRegistry.sys.mjs, but extended to support
+// TYPE_BINARY, as that is how we represent doubles in the registry for
+// the skeleton UI. However, we didn't extend WindowsRegistry.sys.mjs itself,
+// because TYPE_BINARY is kind of a footgun for javascript callers - our
+// use case is just trivial (checking that the value is non-zero).
+function readRegKeyExtended(aRoot, aPath, aKey, aRegistryNode = 0) {
+ const kRegMultiSz = 7;
+ const kMode = Ci.nsIWindowsRegKey.ACCESS_READ | aRegistryNode;
+ let registry = Cc["@mozilla.org/windows-registry-key;1"].createInstance(
+ Ci.nsIWindowsRegKey
+ );
+ try {
+ registry.open(aRoot, aPath, kMode);
+ if (registry.hasValue(aKey)) {
+ let type = registry.getValueType(aKey);
+ switch (type) {
+ case kRegMultiSz:
+ // nsIWindowsRegKey doesn't support REG_MULTI_SZ type out of the box.
+ let str = registry.readStringValue(aKey);
+ return str.split("\0").filter(v => v);
+ case Ci.nsIWindowsRegKey.TYPE_STRING:
+ return registry.readStringValue(aKey);
+ case Ci.nsIWindowsRegKey.TYPE_INT:
+ return registry.readIntValue(aKey);
+ case Ci.nsIWindowsRegKey.TYPE_BINARY:
+ return registry.readBinaryValue(aKey);
+ default:
+ throw new Error("Unsupported registry value.");
+ }
+ }
+ } catch (ex) {
+ } finally {
+ registry.close();
+ }
+ return undefined;
+}
+
+add_task(async function testWritesEnabledOnPrefChange() {
+ Services.prefs.setBoolPref("browser.startup.preXulSkeletonUI", true);
+
+ const win = await BrowserTestUtils.openNewBrowserWindow();
+
+ const firefoxPath = getFirefoxExecutableFile().path;
+ let enabled = WindowsRegistry.readRegKey(
+ Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
+ "Software\\Mozilla\\Firefox\\PreXULSkeletonUISettings",
+ `${firefoxPath}|Enabled`
+ );
+ is(enabled, 1, "Pre-XUL skeleton UI is enabled in the Windows registry");
+
+ Services.prefs.setBoolPref("browser.startup.preXulSkeletonUI", false);
+ enabled = WindowsRegistry.readRegKey(
+ Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
+ "Software\\Mozilla\\Firefox\\PreXULSkeletonUISettings",
+ `${firefoxPath}|Enabled`
+ );
+ is(enabled, 0, "Pre-XUL skeleton UI is disabled in the Windows registry");
+
+ Services.prefs.setBoolPref("browser.startup.preXulSkeletonUI", true);
+ Services.prefs.setIntPref("browser.tabs.inTitlebar", 0);
+ enabled = WindowsRegistry.readRegKey(
+ Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
+ "Software\\Mozilla\\Firefox\\PreXULSkeletonUISettings",
+ `${firefoxPath}|Enabled`
+ );
+ is(enabled, 0, "Pre-XUL skeleton UI is disabled in the Windows registry");
+
+ await BrowserTestUtils.closeWindow(win);
+});
+
+add_task(async function testPersistsNecessaryValuesOnChange() {
+ // Enable the skeleton UI, since if it's disabled we won't persist the size values
+ await SpecialPowers.pushPrefEnv({
+ set: [["browser.startup.preXulSkeletonUI", true]],
+ });
+
+ const regKeys = [
+ "Width",
+ "Height",
+ "ScreenX",
+ "ScreenY",
+ "UrlbarCSSSpan",
+ "CssToDevPixelScaling",
+ "SpringsCSSSpan",
+ "SearchbarCSSSpan",
+ "Theme",
+ "Flags",
+ "Progress",
+ ];
+
+ // Remove all of the registry values to ensure old tests aren't giving us false
+ // positives
+ for (let key of regKeys) {
+ WindowsRegistry.removeRegKey(
+ Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
+ "Software\\Mozilla\\Firefox\\PreXULSkeletonUISettings",
+ key
+ );
+ }
+
+ const win = await BrowserTestUtils.openNewBrowserWindow();
+ const firefoxPath = getFirefoxExecutableFile().path;
+ for (let key of regKeys) {
+ let value = readRegKeyExtended(
+ Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
+ "Software\\Mozilla\\Firefox\\PreXULSkeletonUISettings",
+ `${firefoxPath}|${key}`
+ );
+ isnot(
+ typeof value,
+ "undefined",
+ `Skeleton UI registry values should have a defined value for ${key}`
+ );
+ if (value.length) {
+ let hasNonZero = false;
+ for (var i = 0; i < value.length; i++) {
+ hasNonZero = hasNonZero || value[i];
+ }
+ ok(hasNonZero, `Value should have non-zero components for ${key}`);
+ }
+ }
+
+ await BrowserTestUtils.closeWindow(win);
+});