test: add tests for worktrees in non-standard locations

Covers edge case where worktrees are created outside the expected
.worktrees/ directory (e.g., via manual git worktree add).

Co-Authored-By: Claude <noreply@anthropic.com>

Author: Test User

tests/test_cd.sh

@@ -51,10 +51,34 @@ test_cd_works_with_slashed_branch() {
   assert_contains "$PWD" "feature/auth" "Should work with slashed branch name"
 }
 
+test_cd_works_with_nonstandard_location() {
+  # Create worktree manually in non-standard location (not in .worktrees/)
+  local custom_path="$TEST_TEMP/custom-location/my-worktree"
+  mkdir -p "$(dirname "$custom_path")"
+  cd "$TEST_TEMP/main"
+  git worktree add -b custom-branch "$custom_path" >/dev/null 2>&1
+
+  wt cd custom-branch
+  assert_contains "$PWD" "custom-location/my-worktree" "Should find worktree in non-standard location"
+}
+
+test_cd_works_with_deeply_nested_nonstandard() {
+  # Create worktree in deeply nested non-standard location
+  local custom_path="$TEST_TEMP/some/deep/nested/path/worktree"
+  mkdir -p "$(dirname "$custom_path")"
+  cd "$TEST_TEMP/main"
+  git worktree add -b nested-branch "$custom_path" >/dev/null 2>&1
+
+  wt cd nested-branch
+  assert_contains "$PWD" "some/deep/nested/path/worktree" "Should find deeply nested worktree"
+}
+
 # Register tests
 run_test "wt cd changes to worktree" test_cd_changes_to_worktree
 run_test "wt cd without arg goes to main" test_cd_no_arg_goes_to_main
 run_test "wt cd fails for nonexistent worktree" test_cd_fails_for_nonexistent
 run_test "wt cd works with short name" test_cd_works_with_short_name
 run_test "wt cd works with full path" test_cd_works_with_full_path
 run_test "wt cd works with slashed branch" test_cd_works_with_slashed_branch
+run_test "wt cd works with nonstandard location" test_cd_works_with_nonstandard_location
+run_test "wt cd works with deeply nested nonstandard" test_cd_works_with_deeply_nested_nonstandard

tests/test_rm.sh

@@ -72,6 +72,18 @@ test_rm_with_full_path() {
   assert_success "Should remove worktree by full path"
 }
 
+test_rm_works_with_nonstandard_location() {
+  # Create worktree manually in non-standard location
+  local custom_path="$TEST_TEMP/custom-location/my-worktree"
+  mkdir -p "$(dirname "$custom_path")"
+  cd "$TEST_TEMP/main"
+  git worktree add -b custom-branch "$custom_path" >/dev/null 2>&1
+
+  wt rm custom-branch >/dev/null 2>&1
+  [[ ! -d "$custom_path" ]]
+  assert_success "Should remove worktree in non-standard location"
+}
+
 # Register tests
 run_test "wt rm removes clean worktree" test_rm_removes_clean_worktree
 run_test "wt rm warns on dirty worktree" test_rm_warns_on_dirty_worktree
@@ -81,3 +93,4 @@ run_test "wt rm without arg removes current" test_rm_current_worktree_no_arg
 run_test "wt rm cds back to main" test_rm_current_worktree_cds_to_main
 run_test "wt rm fails for nonexistent" test_rm_fails_for_nonexistent
 run_test "wt rm with full path" test_rm_with_full_path
+run_test "wt rm works with nonstandard location" test_rm_works_with_nonstandard_location