From f6ef4efaa46cdd5a3cd4aa6e3918f5eec9358557 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 10 Dec 2025 22:13:36 +0900
Subject: ZJIT: Add a test for `--zjit-stats=<path>` option

Fix up ruby/ruby#15414, 29c29c2b7e972359ab83038c5dc27a7e53ae65c7
---
 test/ruby/test_zjit.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_zjit.rb b/test/ruby/test_zjit.rb
index a2d4917886..805ecb98b2 100644
--- a/test/ruby/test_zjit.rb
+++ b/test/ruby/test_zjit.rb
@@ -49,6 +49,19 @@ class TestZJIT < Test::Unit::TestCase
     assert_success(out, err, status)
     refute_includes(err, stats_header)
     assert_equal("true\n", out)
+
+    # With --zjit-stats=<path>, stats should be printed to the path
+    Tempfile.create("zjit-stats-") {|tmp|
+      stats_file = tmp.path
+      tmp.puts("Lorem ipsum dolor sit amet, consectetur adipiscing elit, ...")
+      tmp.close
+
+      out, err, status = eval_with_jit(script, stats: stats_file)
+      assert_success(out, err, status)
+      refute_includes(err, stats_header)
+      assert_equal("true\n", out)
+      assert_equal stats_header, File.open(stats_file) {|f| f.gets(chomp: true)}, "should be overwritten"
+    }
   end
 
   def test_enable_through_env
-- 
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