From 1599e8785f2d7734169aeb37a0b5d94f8212356d Mon Sep 17 00:00:00 2001
From: Watson <watson1978@gmail.com>
Date: Thu, 1 Aug 2024 11:24:22 +0900
Subject: [PATCH] test: add a performance test for PI with many tabs

---
 test/parse/test_processing_instruction.rb | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/parse/test_processing_instruction.rb b/test/parse/test_processing_instruction.rb
index fba79cea..ba381dc4 100644
--- a/test/parse/test_processing_instruction.rb
+++ b/test/parse/test_processing_instruction.rb
@@ -116,5 +116,12 @@ def test_linear_performance_gt
         REXML::Document.new("<?xml version=\"1.0\" " + ">" * n + " ?>")
       end
     end
+
+    def test_linear_performance_tab
+      seq = [10000, 50000, 100000, 150000, 200000]
+      assert_linear_performance(seq, rehearsal: 10) do |n|
+        REXML::Document.new("<?name" + "\t" * n + "version=\"1.0\" > ?>")
+      end
+    end
   end
 end