From 5fceba661469ee34de462e36c053dce20de02f82 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Fri, 17 Jan 2025 10:44:16 -0500
Subject: [ruby/mmtk] Add mmtk_heap_max to GC.config

https://github.com/ruby/mmtk/commit/6a78ffaf16
---
 test/mmtk/test_configuration.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test')

diff --git a/test/mmtk/test_configuration.rb b/test/mmtk/test_configuration.rb
index 56f87afc41..0f60eb62f0 100644
--- a/test/mmtk/test_configuration.rb
+++ b/test/mmtk/test_configuration.rb
@@ -39,6 +39,12 @@ module MMTk
       RUBY
     end
 
+    def test_MMTK_HEAP_MAX
+      assert_separately([{ "MMTK_HEAP_MODE" => "fixed", "MMTK_HEAP_MAX" => "100MiB" }], <<~RUBY)
+        assert_equal(100 * 1024 * 1024, GC.config[:mmtk_heap_max])
+      RUBY
+    end
+
     %w(MMTK_THREADS MMTK_HEAP_MIN MMTK_HEAP_MAX MMTK_HEAP_MODE MMTK_PLAN).each do |var|
       define_method(:"test_invalid_#{var}") do
         exit_code = assert_in_out_err(
-- 
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