test_hash.rb: move tests

* test/ruby/test_hash.rb: move hash value tests from test_array.rb.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_array.rb

@@ -2049,15 +2049,6 @@ class TestArray < Test::Unit::TestCase
     assert_equal(A, B)
   end
 
-  def test_recursive_hash_value
-    assert_not_equal([[1]].hash, [[2]].hash)
-    a = []
-    a << a
-    assert_equal([[a]].hash, a.hash)
-    assert_not_equal([a, 1].hash, [a, 2].hash)
-    assert_not_equal([a, a].hash, a.hash) # Implementation dependent
-  end
-
   def test_flatten_error
     a = []
     a << a

test/ruby/test_hash.rb

@@ -1066,7 +1066,7 @@ class TestHash < Test::Unit::TestCase
     end
   end
 
-  def test_recursive_hash_value
+  def test_recursive_hash_value_struct
     bug9151 = '[ruby-core:58567] [Bug #9151]'
 
     s = Struct.new(:x) {def hash; [x,""].hash; end}
@@ -1074,10 +1074,41 @@ class TestHash < Test::Unit::TestCase
     b = s.new
     a.x = b
     b.x = a
-    ah = assert_nothing_raised(SystemStackError, bug9151) {a.hash}
-    bh = assert_nothing_raised(SystemStackError, bug9151) {b.hash}
-    assert_equal(ah, bh, bug9151)
-    assert_not_equal([a,"hello"].hash, [b,"world"].hash, bug9151)
+    assert_nothing_raised(SystemStackError, bug9151) {a.hash}
+    assert_nothing_raised(SystemStackError, bug9151) {b.hash}
+
+    h = @cls[]
+    h[[a,"hello"]] = 1
+    assert_equal(1, h.size)
+    h[[b,"world"]] = 2
+    assert_equal(2, h.size)
+
+    obj = Object.new
+    h = @cls[a => obj]
+    assert_same(obj, h[b])
+  end
+
+  def test_recursive_hash_value_array
+    h = @cls[]
+    h[[[1]]] = 1
+    assert_equal(1, h.size)
+    h[[[2]]] = 1
+    assert_equal(2, h.size)
+
+    a = []
+    a << a
+
+    h = @cls[]
+    h[[a, 1]] = 1
+    assert_equal(1, h.size)
+    h[[a, 2]] = 2
+    assert_equal(2, h.size)
+    h[[a, a]] = 3
+    assert_equal(3, h.size)
+
+    obj = Object.new
+    h = @cls[a => obj]
+    assert_same(obj, h[[[a]]])
   end
 
   def test_exception_in_rehash