Add tests for Ref::Mock.gc

Author: Burgestrand

test/mock_test.rb

@@ -0,0 +1,33 @@
+require File.expand_path("../test_helper", __FILE__)
+
+class TestMock < Test::Unit::TestCase
+  def test_gc_with_argument
+    Ref::Mock.use do
+      obj_1 = Object.new
+      obj_2 = Object.new
+
+      ref_1 = Ref::WeakReference.new(obj_1)
+      ref_2 = Ref::WeakReference.new(obj_2)
+
+      Ref::Mock.gc(obj_1)
+
+      assert_nil ref_1.object
+      assert_equal ref_2.object, obj_2
+    end
+  end
+
+  def test_gc_with_no_argument
+    Ref::Mock.use do
+      obj_1 = Object.new
+      obj_2 = Object.new
+
+      ref_1 = Ref::WeakReference.new(obj_1)
+      ref_2 = Ref::WeakReference.new(obj_2)
+
+      Ref::Mock.gc
+
+      assert_nil ref_1.object
+      assert_nil ref_2.object
+    end
+  end
+end