From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/test/-ext-/st/test_numhash.rb | 49 ++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 jni/ruby/test/-ext-/st/test_numhash.rb

(limited to 'jni/ruby/test/-ext-/st/test_numhash.rb')

diff --git a/jni/ruby/test/-ext-/st/test_numhash.rb b/jni/ruby/test/-ext-/st/test_numhash.rb
new file mode 100644
index 0000000..24dc87c
--- /dev/null
+++ b/jni/ruby/test/-ext-/st/test_numhash.rb
@@ -0,0 +1,49 @@
+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
+
+    def test_update
+      assert_equal(true, @tbl.update(0) {@tbl[5] = :x})
+      assert_equal(:x, @tbl[0])
+      assert_equal(:x, @tbl[5])
+    end
+
+    def test_size_after_delete_safe
+      10.downto(1) do |up|
+        tbl = Bug::StNumHash.new
+        1.upto(up){|i| tbl[i] = i}
+        assert_equal(1, tbl.delete_safe(1))
+        assert_equal(up - 1, tbl.size, "delete_safe doesn't change size from #{up} to #{up-1}")
+      end
+    end
+
+    def test_delete_safe_on_iteration
+      10.downto(1) do |up|
+        tbl = Bug::StNumHash.new
+        1.upto(up){|i| tbl[i] = i}
+        assert_nothing_raised("delete_safe forces iteration to fail with size #{up}") do
+          tbl.each do |k, v, t|
+            assert_equal k, t.delete_safe(k)
+            true
+          end
+        end
+      end
+    end
+  end
+end
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