1 files changed, 82 insertions, 0 deletions
diff --git a/toolkit/profile/xpcshell/test_steal_inuse.js b/toolkit/profile/xpcshell/test_steal_inuse.js
new file mode 100644
index 0000000000..fb37aa25f0
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+++ b/toolkit/profile/xpcshell/test_steal_inuse.js
@@ -0,0 +1,82 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * Tests that an old-style default profile previously used by this build but
+ * that has already been claimed by a different build gets stolen by this build.
+ */
+
+add_task(async () => {
+  let defaultProfile = makeRandomProfileDir("default");
+
+  writeCompatibilityIni(defaultProfile);
+
+  writeProfilesIni({
+    profiles: [
+      {
+        name: PROFILE_DEFAULT,
+        path: defaultProfile.leafName,
+        default: true,
+      },
+    ],
+    installs: {
+      otherhash: {
+        default: defaultProfile.leafName,
+      },
+    },
+  });
+
+  let service = getProfileService();
+  let { profile: selectedProfile, didCreate } = selectStartupProfile();
+  checkStartupReason("firstrun-claimed-default");
+
+  let hash = xreDirProvider.getInstallHash();
+  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, PROFILE_DEFAULT, "Should have the right name.");
+  Assert.equal(
+    profile.path,
+    defaultProfile.leafName,
+    "Should be the original default profile."
+  );
+  Assert.ok(profile.default, "Should be marked as the old-style default.");
+
+  Assert.equal(
+    Object.keys(profileData.installs).length,
+    1,
+    "Should only be one known installs."
+  );
+  Assert.equal(
+    profileData.installs[hash].default,
+    defaultProfile.leafName,
+    "Should have taken the original default profile as the default for the current install."
+  );
+  Assert.ok(
+    !profileData.installs[hash].locked,
+    "Should not have locked as we're not the default app."
+  );
+
+  checkProfileService(profileData);
+
+  Assert.ok(!didCreate, "Should not have created a new profile.");
+  Assert.ok(
+    !service.createdAlternateProfile,
+    "Should not have created an alternate profile."
+  );
+  Assert.ok(
+    selectedProfile.rootDir.equals(defaultProfile),
+    "Should be using the right directory."
+  );
+  Assert.equal(selectedProfile.name, PROFILE_DEFAULT);
+});