* test/ruby: tests for ruby itself.

* test/ruby/test_*.rb: split sample/test.rb into 28 test/unit testcases.  some
  tests could not be translates...  search '!!' mark to see it.

* test/csv/test_csv.rb: should require 'csv', not '../lib/csv'.  test runner
  should set load path correctly.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4498 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_const.rb

@@ -0,0 +1,35 @@
+require 'test/unit'
+
+$KCODE = 'none'
+
+class TestConst < Test::Unit::TestCase
+  TEST1 = 1
+  TEST2 = 2
+    
+  module Const
+    TEST3 = 3
+    TEST4 = 4
+  end
+    
+  module Const2
+    TEST3 = 6
+    TEST4 = 8
+  end
+    
+  def test_const
+    self.class.class_eval {
+      include Const
+    }
+    assert([TEST1,TEST2,TEST3,TEST4] == [1,2,3,4])
+    
+    self.class.class_eval {
+      include Const2
+    }
+    STDERR.print "intentionally redefines TEST3, TEST4\n" if $VERBOSE
+    assert([TEST1,TEST2,TEST3,TEST4] == [1,2,6,8])
+    
+    assert((String <=> Object) == -1)
+    assert((Object <=> String) == 1)
+    assert((Array <=> String) == nil)
+  end
+end