1 files changed, 74 insertions, 0 deletions
diff --git a/toolkit/profile/xpcshell/test_single_profile_unselected.js b/toolkit/profile/xpcshell/test_single_profile_unselected.js
new file mode 100644
index 0000000000..3ad36de387
--- /dev/null
+++ b/toolkit/profile/xpcshell/test_single_profile_unselected.js
@@ -0,0 +1,74 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * Previous versions of Firefox automatically used a single profile even if it
+ * wasn't marked as the default. So we should try to upgrade that one if it was
+ * last used by this build. This test checks the case where it wasn't.
+ */
+
+add_task(async () => {
+  let defaultProfile = makeRandomProfileDir("default");
+
+  // Just pretend this profile was last used by something in the profile dir.
+  let greDir = gProfD.clone();
+  greDir.append("app");
+  writeCompatibilityIni(defaultProfile, greDir, greDir);
+
+  writeProfilesIni({
+    profiles: [
+      {
+        name: "default",
+        path: defaultProfile.leafName,
+        default: false,
+      },
+    ],
+  });
+
+  let profileData = readProfilesIni();
+
+  Assert.ok(
+    profileData.options.startWithLastProfile,
+    "Should be set to start with the last profile."
+  );
+  Assert.equal(
+    profileData.profiles.length,
+    1,
+    "Should have the right number of profiles."
+  );
+
+  let profile = profileData.profiles[0];
+  Assert.equal(profile.name, "default", "Should have the right name.");
+  Assert.equal(
+    profile.path,
+    defaultProfile.leafName,
+    "Should be the original default profile."
+  );
+  Assert.ok(!profile.default, "Should not be marked as the old-style default.");
+
+  Assert.ok(!profileData.installs, "Should be no defaults for installs yet.");
+
+  checkProfileService(profileData);
+
+  let { profile: selectedProfile, didCreate } = selectStartupProfile();
+  checkStartupReason("firstrun-skipped-default");
+  Assert.ok(didCreate, "Should have created a new profile.");
+  Assert.ok(
+    !selectedProfile.rootDir.equals(defaultProfile),
+    "Should be using the right directory."
+  );
+  Assert.equal(selectedProfile.name, DEDICATED_NAME);
+
+  profileData = readProfilesIni();
+
+  profile = profileData.profiles[0];
+  Assert.equal(profile.name, "default", "Should have the right name.");
+  Assert.equal(
+    profile.path,
+    defaultProfile.leafName,
+    "Should be the original default profile."
+  );
+  Assert.ok(profile.default, "Should now be marked as the old-style default.");
+
+  checkProfileService(profileData);
+});