Merging upstream version 127.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 380 insertions, 196 deletions

diff --git a/browser/modules/test/unit/test_FirefoxBridgeExtensionUtils.js b/browser/modules/test/unit/test_FirefoxBridgeExtensionUtils.js
index 77db0d8286..d4dcd4fad6 100644
--- a/browser/modules/test/unit/test_FirefoxBridgeExtensionUtils.js
+++ b/browser/modules/test/unit/test_FirefoxBridgeExtensionUtils.js
@@ -7,9 +7,10 @@ const { FirefoxBridgeExtensionUtils } = ChromeUtils.importESModule(
   "resource:///modules/FirefoxBridgeExtensionUtils.sys.mjs"
 );
 
-const FIREFOX_SHELL_OPEN_COMMAND_PATH = "firefox\\shell\\open\\command";
-const FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH =
-  "firefox-private\\shell\\open\\command";
+const OLD_FIREFOX_SHELL_OPEN_COMMAND_PATH = `${FirefoxBridgeExtensionUtils.OLD_PUBLIC_PROTOCOL}\\shell\\open\\command`;
+const OLD_FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH = `${FirefoxBridgeExtensionUtils.OLD_PRIVATE_PROTOCOL}\\shell\\open\\command`;
+const FIREFOX_SHELL_OPEN_COMMAND_PATH = `${FirefoxBridgeExtensionUtils.PUBLIC_PROTOCOL}\\shell\\open\\command`;
+const FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH = `${FirefoxBridgeExtensionUtils.PRIVATE_PROTOCOL}\\shell\\open\\command`;
 
 class StubbedRegistryKey {
   #children;
@@ -145,206 +146,274 @@ class StubbedDeleteBridgeProtocolRegistryEntryHelper {
 }
 
 add_task(async function test_DeleteWhenSameFirefoxInstall() {
-  const applicationPath = "testPath";
-
-  const firefoxEntries = new Map();
-  firefoxEntries.set("", `\"${applicationPath}\" -osint -url \"%1\"`);
-
-  const firefoxProtocolRegKey = new StubbedRegistryKey(
-    new Map(),
-    firefoxEntries
-  );
-
-  const firefoxPrivateEntries = new Map();
-  firefoxPrivateEntries.set(
-    "",
-    `\"${applicationPath}\" -osint -private-window \"%1\"`
-  );
-  const firefoxPrivateProtocolRegKey = new StubbedRegistryKey(
-    new Map(),
-    firefoxPrivateEntries
-  );
-
-  const children = new Map();
-  children.set(FIREFOX_SHELL_OPEN_COMMAND_PATH, firefoxProtocolRegKey);
-  children.set(
-    FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
-    firefoxPrivateProtocolRegKey
-  );
-
-  const registryRootKey = new StubbedRegistryKey(children, new Map());
-
-  const stubbedDeleteBridgeProtocolRegistryHelper =
-    new StubbedDeleteBridgeProtocolRegistryEntryHelper({
-      applicationPath,
-      registryRootKey,
-    });
-
-  FirefoxBridgeExtensionUtils.maybeDeleteBridgeProtocolRegistryEntries(
-    stubbedDeleteBridgeProtocolRegistryHelper
-  );
-
-  ok(registryRootKey.wasCloseCalled, "Root key closed");
-
-  ok(firefoxProtocolRegKey.wasOpenedForRead, "Firefox key opened");
-  ok(firefoxProtocolRegKey.wasCloseCalled, "Firefox key closed");
-  ok(
-    registryRootKey.isChildDeleted("firefox"),
-    "Firefox protocol registry entry deleted"
-  );
-
-  ok(
-    firefoxPrivateProtocolRegKey.wasOpenedForRead,
-    "Firefox private key opened"
-  );
-  ok(firefoxPrivateProtocolRegKey.wasCloseCalled, "Firefox private key closed");
-  ok(
-    registryRootKey.isChildDeleted("firefox-private"),
-    "Firefox private protocol registry entry deleted"
-  );
+  for (let protocols of [
+    [
+      FirefoxBridgeExtensionUtils.OLD_PUBLIC_PROTOCOL,
+      FirefoxBridgeExtensionUtils.OLD_PRIVATE_PROTOCOL,
+      OLD_FIREFOX_SHELL_OPEN_COMMAND_PATH,
+      OLD_FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
+    ],
+    [
+      FirefoxBridgeExtensionUtils.PUBLIC_PROTOCOL,
+      FirefoxBridgeExtensionUtils.PRIVATE_PROTOCOL,
+      FIREFOX_SHELL_OPEN_COMMAND_PATH,
+      FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
+    ],
+  ]) {
+    let [publicProtocol, privateProtocol, publicPath, privatePath] = protocols;
+    const applicationPath = "testPath";
+
+    const firefoxEntries = new Map();
+    firefoxEntries.set("", `\"${applicationPath}\" -osint -url \"%1\"`);
+
+    const firefoxProtocolRegKey = new StubbedRegistryKey(
+      new Map(),
+      firefoxEntries
+    );
+
+    const firefoxPrivateEntries = new Map();
+    firefoxPrivateEntries.set(
+      "",
+      `\"${applicationPath}\" -osint -private-window \"%1\"`
+    );
+    const firefoxPrivateProtocolRegKey = new StubbedRegistryKey(
+      new Map(),
+      firefoxPrivateEntries
+    );
+
+    const children = new Map();
+    children.set(publicPath, firefoxProtocolRegKey);
+    children.set(privatePath, firefoxPrivateProtocolRegKey);
+
+    const registryRootKey = new StubbedRegistryKey(children, new Map());
+
+    const stubbedDeleteBridgeProtocolRegistryHelper =
+      new StubbedDeleteBridgeProtocolRegistryEntryHelper({
+        applicationPath,
+        registryRootKey,
+      });
+
+    FirefoxBridgeExtensionUtils.maybeDeleteBridgeProtocolRegistryEntries(
+      publicProtocol,
+      privateProtocol,
+      stubbedDeleteBridgeProtocolRegistryHelper
+    );
+
+    ok(registryRootKey.wasCloseCalled, "Root key closed");
+
+    ok(firefoxProtocolRegKey.wasOpenedForRead, "Firefox key opened");
+    ok(firefoxProtocolRegKey.wasCloseCalled, "Firefox key closed");
+    ok(
+      registryRootKey.isChildDeleted(publicProtocol),
+      "Firefox protocol registry entry deleted"
+    );
+
+    ok(
+      firefoxPrivateProtocolRegKey.wasOpenedForRead,
+      "Firefox private key opened"
+    );
+    ok(
+      firefoxPrivateProtocolRegKey.wasCloseCalled,
+      "Firefox private key closed"
+    );
+    ok(
+      registryRootKey.isChildDeleted(privateProtocol),
+      "Firefox private protocol registry entry deleted"
+    );
+  }
 });
 
 add_task(async function test_DeleteWhenDifferentFirefoxInstall() {
-  const applicationPath = "testPath";
-  const badApplicationPath = "testPath2";
-
-  const firefoxEntries = new Map();
-  firefoxEntries.set("", `\"${badApplicationPath}\" -osint -url \"%1\"`);
-
-  const firefoxProtocolRegKey = new StubbedRegistryKey(
-    new Map(),
-    firefoxEntries
-  );
-
-  const firefoxPrivateEntries = new Map();
-  firefoxPrivateEntries.set(
-    "",
-    `\"${badApplicationPath}\" -osint -private-window \"%1\"`
-  );
-  const firefoxPrivateProtocolRegKey = new StubbedRegistryKey(
-    new Map(),
-    firefoxPrivateEntries
-  );
-
-  const children = new Map();
-  children.set(FIREFOX_SHELL_OPEN_COMMAND_PATH, firefoxProtocolRegKey);
-  children.set(
-    FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
-    firefoxPrivateProtocolRegKey
-  );
-
-  const registryRootKey = new StubbedRegistryKey(children, new Map());
-
-  const stubbedDeleteBridgeProtocolRegistryHelper =
-    new StubbedDeleteBridgeProtocolRegistryEntryHelper({
-      applicationPath,
-      registryRootKey,
-    });
-
-  FirefoxBridgeExtensionUtils.maybeDeleteBridgeProtocolRegistryEntries(
-    stubbedDeleteBridgeProtocolRegistryHelper
-  );
-
-  ok(registryRootKey.wasCloseCalled, "Root key closed");
-
-  ok(firefoxProtocolRegKey.wasOpenedForRead, "Firefox key opened");
-  ok(firefoxProtocolRegKey.wasCloseCalled, "Firefox key closed");
-  ok(
-    !registryRootKey.isChildDeleted("firefox"),
-    "Firefox protocol registry entry not deleted"
-  );
-
-  ok(
-    firefoxPrivateProtocolRegKey.wasOpenedForRead,
-    "Firefox private key opened"
-  );
-  ok(firefoxPrivateProtocolRegKey.wasCloseCalled, "Firefox private key closed");
-  ok(
-    !registryRootKey.isChildDeleted("firefox-private"),
-    "Firefox private protocol registry entry not deleted"
-  );
+  for (let protocols of [
+    [
+      FirefoxBridgeExtensionUtils.OLD_PUBLIC_PROTOCOL,
+      FirefoxBridgeExtensionUtils.OLD_PRIVATE_PROTOCOL,
+      OLD_FIREFOX_SHELL_OPEN_COMMAND_PATH,
+      OLD_FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
+    ],
+    [
+      FirefoxBridgeExtensionUtils.PUBLIC_PROTOCOL,
+      FirefoxBridgeExtensionUtils.PRIVATE_PROTOCOL,
+      FIREFOX_SHELL_OPEN_COMMAND_PATH,
+      FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
+    ],
+  ]) {
+    let [publicProtocol, privateProtocol, publicPath, privatePath] = protocols;
+    const applicationPath = "testPath";
+    const badApplicationPath = "testPath2";
+
+    const firefoxEntries = new Map();
+    firefoxEntries.set("", `\"${badApplicationPath}\" -osint -url \"%1\"`);
+
+    const firefoxProtocolRegKey = new StubbedRegistryKey(
+      new Map(),
+      firefoxEntries
+    );
+
+    const firefoxPrivateEntries = new Map();
+    firefoxPrivateEntries.set(
+      "",
+      `\"${badApplicationPath}\" -osint -private-window \"%1\"`
+    );
+    const firefoxPrivateProtocolRegKey = new StubbedRegistryKey(
+      new Map(),
+      firefoxPrivateEntries
+    );
+
+    const children = new Map();
+    children.set(publicPath, firefoxProtocolRegKey);
+    children.set(privatePath, firefoxPrivateProtocolRegKey);
+
+    const registryRootKey = new StubbedRegistryKey(children, new Map());
+
+    const stubbedDeleteBridgeProtocolRegistryHelper =
+      new StubbedDeleteBridgeProtocolRegistryEntryHelper({
+        applicationPath,
+        registryRootKey,
+      });
+
+    FirefoxBridgeExtensionUtils.maybeDeleteBridgeProtocolRegistryEntries(
+      publicProtocol,
+      privateProtocol,
+      stubbedDeleteBridgeProtocolRegistryHelper
+    );
+
+    ok(registryRootKey.wasCloseCalled, "Root key closed");
+
+    ok(firefoxProtocolRegKey.wasOpenedForRead, "Firefox key opened");
+    ok(firefoxProtocolRegKey.wasCloseCalled, "Firefox key closed");
+    ok(
+      !registryRootKey.isChildDeleted(publicProtocol),
+      "Firefox protocol registry entry not deleted"
+    );
+
+    ok(
+      firefoxPrivateProtocolRegKey.wasOpenedForRead,
+      "Firefox private key opened"
+    );
+    ok(
+      firefoxPrivateProtocolRegKey.wasCloseCalled,
+      "Firefox private key closed"
+    );
+    ok(
+      !registryRootKey.isChildDeleted(privateProtocol),
+      "Firefox private protocol registry entry not deleted"
+    );
+  }
 });
 
 add_task(async function test_DeleteWhenNoRegistryEntries() {
-  const applicationPath = "testPath";
-
-  const firefoxPrivateEntries = new Map();
-  const firefoxPrivateProtocolRegKey = new StubbedRegistryKey(
-    new Map(),
-    firefoxPrivateEntries
-  );
-
-  const children = new Map();
-  children.set(
-    FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
-    firefoxPrivateProtocolRegKey
-  );
-
-  const registryRootKey = new StubbedRegistryKey(children, new Map());
-
-  const stubbedDeleteBridgeProtocolRegistryHelper =
-    new StubbedDeleteBridgeProtocolRegistryEntryHelper({
-      applicationPath,
-      registryRootKey,
-    });
-
-  FirefoxBridgeExtensionUtils.maybeDeleteBridgeProtocolRegistryEntries(
-    stubbedDeleteBridgeProtocolRegistryHelper
-  );
-
-  ok(registryRootKey.wasCloseCalled, "Root key closed");
-
-  ok(
-    firefoxPrivateProtocolRegKey.wasOpenedForRead,
-    "Firefox private key opened"
-  );
-  ok(firefoxPrivateProtocolRegKey.wasCloseCalled, "Firefox private key closed");
-  ok(
-    !registryRootKey.isChildDeleted("firefox"),
-    "Firefox protocol registry entry deleted when it shouldn't be"
-  );
-  ok(
-    !registryRootKey.isChildDeleted("firefox-private"),
-    "Firefox private protocol registry deleted when it shouldn't be"
-  );
+  for (let protocols of [
+    [
+      FirefoxBridgeExtensionUtils.OLD_PUBLIC_PROTOCOL,
+      FirefoxBridgeExtensionUtils.OLD_PRIVATE_PROTOCOL,
+      OLD_FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
+    ],
+    [
+      FirefoxBridgeExtensionUtils.PUBLIC_PROTOCOL,
+      FirefoxBridgeExtensionUtils.PRIVATE_PROTOCOL,
+      FIREFOX_PRIVATE_SHELL_OPEN_COMMAND_PATH,
+    ],
+  ]) {
+    let [publicProtocol, privateProtocol, privatePath] = protocols;
+    const applicationPath = "testPath";
+
+    const firefoxPrivateEntries = new Map();
+    const firefoxPrivateProtocolRegKey = new StubbedRegistryKey(
+      new Map(),
+      firefoxPrivateEntries
+    );
+
+    const children = new Map();
+    children.set(privatePath, firefoxPrivateProtocolRegKey);
+
+    const registryRootKey = new StubbedRegistryKey(children, new Map());
+
+    const stubbedDeleteBridgeProtocolRegistryHelper =
+      new StubbedDeleteBridgeProtocolRegistryEntryHelper({
+        applicationPath,
+        registryRootKey,
+      });
+
+    FirefoxBridgeExtensionUtils.maybeDeleteBridgeProtocolRegistryEntries(
+      publicProtocol,
+      privateProtocol,
+      stubbedDeleteBridgeProtocolRegistryHelper
+    );
+
+    ok(registryRootKey.wasCloseCalled, "Root key closed");
+
+    ok(
+      firefoxPrivateProtocolRegKey.wasOpenedForRead,
+      "Firefox private key opened"
+    );
+    ok(
+      firefoxPrivateProtocolRegKey.wasCloseCalled,
+      "Firefox private key closed"
+    );
+    ok(
+      !registryRootKey.isChildDeleted(publicProtocol),
+      "Firefox protocol registry entry deleted when it shouldn't be"
+    );
+    ok(
+      !registryRootKey.isChildDeleted(privateProtocol),
+      "Firefox private protocol registry deleted when it shouldn't be"
+    );
+  }
 });
 
 add_task(async function test_DeleteWhenUnexpectedRegistryEntries() {
-  const applicationPath = "testPath";
-
-  const firefoxEntries = new Map();
-  firefoxEntries.set("", `\"${applicationPath}\" -osint -url \"%1\"`);
-  firefoxEntries.set("extraEntry", "extraValue");
-  const firefoxProtocolRegKey = new StubbedRegistryKey(
-    new Map(),
-    firefoxEntries
-  );
-
-  const children = new Map();
-  children.set(FIREFOX_SHELL_OPEN_COMMAND_PATH, firefoxProtocolRegKey);
-
-  const registryRootKey = new StubbedRegistryKey(children, new Map());
-
-  const stubbedDeleteBridgeProtocolRegistryHelper =
-    new StubbedDeleteBridgeProtocolRegistryEntryHelper({
-      applicationPath,
-      registryRootKey,
-    });
-
-  FirefoxBridgeExtensionUtils.maybeDeleteBridgeProtocolRegistryEntries(
-    stubbedDeleteBridgeProtocolRegistryHelper
-  );
-
-  ok(registryRootKey.wasCloseCalled, "Root key closed");
-
-  ok(firefoxProtocolRegKey.wasOpenedForRead, "Firefox key opened");
-  ok(firefoxProtocolRegKey.wasCloseCalled, "Firefox key closed");
-  ok(
-    !registryRootKey.isChildDeleted("firefox"),
-    "Firefox protocol registry entry deleted when it shouldn't be"
-  );
-  ok(
-    !registryRootKey.isChildDeleted("firefox-private"),
-    "Firefox private protocol registry deleted when it shouldn't be"
-  );
+  for (let protocols of [
+    [
+      FirefoxBridgeExtensionUtils.OLD_PUBLIC_PROTOCOL,
+      FirefoxBridgeExtensionUtils.OLD_PRIVATE_PROTOCOL,
+      OLD_FIREFOX_SHELL_OPEN_COMMAND_PATH,
+    ],
+    [
+      FirefoxBridgeExtensionUtils.PUBLIC_PROTOCOL,
+      FirefoxBridgeExtensionUtils.PRIVATE_PROTOCOL,
+      FIREFOX_SHELL_OPEN_COMMAND_PATH,
+    ],
+  ]) {
+    let [publicProtocol, privateProtocol, publicPath] = protocols;
+    const applicationPath = "testPath";
+
+    const firefoxEntries = new Map();
+    firefoxEntries.set("", `\"${applicationPath}\" -osint -url \"%1\"`);
+    firefoxEntries.set("extraEntry", "extraValue");
+    const firefoxProtocolRegKey = new StubbedRegistryKey(
+      new Map(),
+      firefoxEntries
+    );
+
+    const children = new Map();
+    children.set(publicPath, firefoxProtocolRegKey);
+
+    const registryRootKey = new StubbedRegistryKey(children, new Map());
+
+    const stubbedDeleteBridgeProtocolRegistryHelper =
+      new StubbedDeleteBridgeProtocolRegistryEntryHelper({
+        applicationPath,
+        registryRootKey,
+      });
+
+    FirefoxBridgeExtensionUtils.maybeDeleteBridgeProtocolRegistryEntries(
+      publicProtocol,
+      privateProtocol,
+      stubbedDeleteBridgeProtocolRegistryHelper
+    );
+
+    ok(registryRootKey.wasCloseCalled, "Root key closed");
+
+    ok(firefoxProtocolRegKey.wasOpenedForRead, "Firefox key opened");
+    ok(firefoxProtocolRegKey.wasCloseCalled, "Firefox key closed");
+    ok(
+      !registryRootKey.isChildDeleted(publicProtocol),
+      "Firefox protocol registry entry deleted when it shouldn't be"
+    );
+    ok(
+      !registryRootKey.isChildDeleted(privateProtocol),
+      "Firefox private protocol registry deleted when it shouldn't be"
+    );
+  }
 });
diff --git a/browser/modules/test/unit/test_FirefoxBridgeExtensionUtilsNativeManifest.js b/browser/modules/test/unit/test_FirefoxBridgeExtensionUtilsNativeManifest.js
index cef550d705..8686871255 100644
--- a/browser/modules/test/unit/test_FirefoxBridgeExtensionUtilsNativeManifest.js
+++ b/browser/modules/test/unit/test_FirefoxBridgeExtensionUtilsNativeManifest.js
@@ -16,6 +16,30 @@ const { FirefoxBridgeExtensionUtils } = ChromeUtils.importESModule(
 const DUAL_BROWSER_EXTENSION_ORIGIN = ["chrome-extension://fake-origin/"];
 const NATIVE_MESSAGING_HOST_ID = "org.mozilla.firefox_bridge_test";
 
+if (AppConstants.platform == "win") {
+  var { MockRegistry } = ChromeUtils.importESModule(
+    "resource://testing-common/MockRegistry.sys.mjs"
+  );
+}
+
+let registry = null;
+add_setup(() => {
+  if (AppConstants.platform == "win") {
+    registry = new MockRegistry();
+    registerCleanupFunction(() => {
+      registry.shutdown();
+    });
+  }
+});
+
+function resetMockRegistry() {
+  if (AppConstants.platform != "win") {
+    return;
+  }
+  registry.shutdown();
+  registry = new MockRegistry();
+}
+
 let dir = FileUtils.getDir("TmpD", ["NativeMessagingHostsTest"]);
 dir.createUnique(Ci.nsIFile.DIRECTORY_TYPE, FileUtils.PERMS_DIRECTORY);
 
@@ -75,6 +99,35 @@ function getExpectedOutput() {
   };
 }
 
+function DumpWindowsRegistry() {
+  let key = "";
+  let pathBuffer = [];
+
+  if (AppConstants.platform == "win") {
+    function bufferPrint(line) {
+      let regPath = line.trimStart();
+      if (regPath.includes(":")) {
+        // After trimming white space, keys are formatted as
+        // ": <key> (<value_type>)". We can assume it's only ever
+        // going to be of type REG_SZ for this test.
+        key = regPath.slice(2, regPath.length - " (REG_SZ)".length);
+      } else {
+        pathBuffer.push(regPath);
+      }
+    }
+
+    MockRegistry.dump(
+      MockRegistry.getRoot(Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER),
+      "",
+      bufferPrint
+    );
+  } else {
+    Assert.ok(false, "Only windows has a registry!");
+  }
+
+  return [pathBuffer, key];
+}
+
 add_task(async function test_maybeWriteManifestFiles() {
   await FirefoxBridgeExtensionUtils.maybeWriteManifestFiles(
     USER_TEST_PATH,
@@ -196,6 +249,7 @@ add_task(async function test_ensureRegistered() {
       appDir.path,
       "Mozilla\\Firefox"
     );
+    resetMockRegistry();
   } else {
     throw new Error("Unsupported platform");
   }
@@ -219,4 +273,65 @@ add_task(async function test_ensureRegistered() {
   let JSONContent = await IOUtils.readUTF8(expectedJSONPath);
   await IOUtils.remove(expectedJSONPath);
   Assert.equal(JSONContent, expectedOutput);
+
+  //  Test that the registry key is written for Windows only
+  if (AppConstants.platform == "win") {
+    let [pathBuffer, key] = DumpWindowsRegistry();
+    Assert.equal(
+      pathBuffer.toString(),
+      [
+        "Software",
+        "Google",
+        "Chrome",
+        "NativeMessagingHosts",
+        nativeHostId,
+      ].toString()
+    );
+    Assert.equal(key, expectedJSONPath);
+  }
+});
+
+add_task(async function test_maybeWriteNativeMessagingRegKeys() {
+  if (AppConstants.platform != "win") {
+    return;
+  }
+  resetMockRegistry();
+  FirefoxBridgeExtensionUtils.maybeWriteNativeMessagingRegKeys(
+    "Test\\Path\\For\\Reg\\Key",
+    binFile.parent.path,
+    NATIVE_MESSAGING_HOST_ID
+  );
+  let [pathBuffer, key] = DumpWindowsRegistry();
+  registry.shutdown();
+  Assert.equal(
+    pathBuffer.toString(),
+    ["Test", "Path", "For", "Reg", "Key", NATIVE_MESSAGING_HOST_ID].toString()
+  );
+  console.log("The key is: " + key);
+  Assert.equal(key, `${binFile.parent.path}\\${NATIVE_MESSAGING_HOST_ID}.json`);
+});
+
+add_task(async function test_maybeWriteNativeMessagingRegKeysIncorrectValue() {
+  if (AppConstants.platform != "win") {
+    return;
+  }
+  resetMockRegistry();
+  registry.setValue(
+    Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
+    `Test\\Path\\For\\Reg\\Key\\${NATIVE_MESSAGING_HOST_ID}`,
+    "",
+    "IncorrectValue"
+  );
+  FirefoxBridgeExtensionUtils.maybeWriteNativeMessagingRegKeys(
+    "Test\\Path\\For\\Reg\\Key",
+    binFile.parent.path,
+    NATIVE_MESSAGING_HOST_ID
+  );
+  let [pathBuffer, key] = DumpWindowsRegistry();
+  registry.shutdown();
+  Assert.equal(
+    pathBuffer.toString(),
+    ["Test", "Path", "For", "Reg", "Key", NATIVE_MESSAGING_HOST_ID].toString()
+  );
+  Assert.equal(key, `${binFile.parent.path}\\${NATIVE_MESSAGING_HOST_ID}.json`);
 });