* test/mkmf/test_have_func.rb: tests for have_func.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38207 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/mkmf/test_have_func.rb

@@ -0,0 +1,14 @@
+require_relative 'base'
+require 'tempfile'
+
+class TestMkmf
+  class TestHaveFunc < TestMkmf
+    def test_have_func
+      assert_equal(true, have_func("ruby_init"), MKMFLOG)
+    end
+
+    def test_not_have_func
+      assert_equal(false, have_func("no_ruby_init"), MKMFLOG)
+    end
+  end
+end