* st.c (st_foreach): should not yield same pair when checking

  after unpacking.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34456 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 21 insertions, 0 deletions

diff --git a/test/-ext-/st/test_numhash.rb b/test/-ext-/st/test_numhash.rb
new file mode 100644
index 0000000000..9ec072e1a5
--- /dev/null
+++ b/test/-ext-/st/test_numhash.rb
@@ -0,0 +1,21 @@
+require 'test/unit'
+require "-test-/st/numhash"
+
+class Bug::StNumHash
+  class Test_NumHash < Test::Unit::TestCase
+    def setup
+      @tbl = Bug::StNumHash.new
+      5.times {|i| @tbl[i] = i}
+    end
+
+    def test_check
+      keys = []
+      @tbl.each do |k, v, t|
+        keys << k
+        t[5] = 5 if k == 3
+        true
+      end
+      assert_equal([*0..5], keys)
+    end
+  end
+end