diff --git a/tool/rawstr4c/test/test-parser.rakutest b/tool/rawstr4c/test/test-parser.rakutest
new file mode 100644
index 0000000..6694796
--- /dev/null
+++ b/tool/rawstr4c/test/test-parser.rakutest
@@ -0,0 +1,61 @@
+#!/usr/bin/env raku
+# ---------------------------------------------------------------
+# SPDX-License-Identifier: GPL-3.0-or-later
+# ---------------------------------------------------------------
+# Test File     : test-parser.rakutest
+# Test Authors  : Aoran Zeng <ccmywish@qq.com>
+# Created On    : <2025-07-15>
+# Last Modified : <2025-07-15>
+# ---------------------------------------------------------------
+
+use lib '../lib';
+use Parser;
+
+sub MAIN() {
+  my $test-file = './fixture/test-hierarchy.md'.IO;
+  unless $test-file.e {
+    die "测试文件 test-hierarchy.md 不存在！";
+  }
+
+  my $parser = Parser::Parser.new($test-file);
+  $parser.parse;
+
+  say "====== 全局配置 ======";
+  for $parser.global-config.keys.sort -> $key {
+    my $value = $parser.global-config.get($key);
+    say "$key = {$value.as-string} (type: {$value.type})";
+  }
+  say "";
+
+  say "====== Section TOC ======";
+  print-sections-hierarchy($parser.root-sections, 0);
+  say "";
+
+  say "====== 扁平化 Section 列表 ======";
+  my @flat-sections = $parser.sections;
+  say "总共 {+@flat-sections} 个 sections:";
+  for @flat-sections -> $section {
+    my $hier-path = $section.get-hierarchical-path;
+    my $has-code = $section.raw-string ?? True !! False;
+    say "  - {$section.title}";
+    say "    层级: {$section.level}) $hier-path";
+    say "    代码块: $has-code";
+
+    # 显示section的配置
+    if $section.config.keys {
+      say "    配置: " ~ $section.config.keys.join(", ");
+    }
+    say "";
+  }
+}
+
+sub print-sections-hierarchy(@sections, $indent-level) {
+  my $indent = "  " x $indent-level;
+  for @sections -> $section {
+    say "$indent- {$section.title}";
+    # 深度遍历
+    if $section.has-children {
+      print-sections-hierarchy($section.children, $indent-level + 1);
+    }
+  }
+}