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-rw-r--r--activesupport/test/core_ext/object/inclusion_test.rb52
1 files changed, 52 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/object/inclusion_test.rb b/activesupport/test/core_ext/object/inclusion_test.rb
new file mode 100644
index 0000000000..b4207c20ea
--- /dev/null
+++ b/activesupport/test/core_ext/object/inclusion_test.rb
@@ -0,0 +1,52 @@
+require 'abstract_unit'
+require 'active_support/core_ext/object/inclusion'
+
+class InTest < Test::Unit::TestCase
+ def test_in_array
+ assert 1.in?([1,2])
+ assert !3.in?([1,2])
+ end
+
+ def test_in_hash
+ h = { "a" => 100, "b" => 200 }
+ assert "a".in?(h)
+ assert !"z".in?(h)
+ end
+
+ def test_in_string
+ assert "lo".in?("hello")
+ assert !"ol".in?("hello")
+ assert ?h.in?("hello")
+ end
+
+ def test_in_range
+ assert 25.in?(1..50)
+ assert !75.in?(1..50)
+ end
+
+ def test_in_set
+ s = Set.new([1,2])
+ assert 1.in?(s)
+ assert !3.in?(s)
+ end
+
+ def test_either
+ assert 1.either?(1,2,3)
+ assert !5.either?(1,2,3)
+ assert [1,2,3].either?([1,2,3], 2, [3,4,5])
+ end
+
+ module A
+ end
+ class B
+ include A
+ end
+ class C < B
+ end
+
+ def test_in_module
+ assert A.in?(B)
+ assert A.in?(C)
+ assert !A.in?(A)
+ end
+end