1 files changed, 41 insertions, 0 deletions
diff --git a/test/test_rbconfig.rb b/test/test_rbconfig.rb
new file mode 100644
index 0000000000..b241a926fc
--- /dev/null
+++ b/test/test_rbconfig.rb
@@ -0,0 +1,41 @@
+require 'test/unit'
+require 'rbconfig'
+
+class TestRbConfig < Test::Unit::TestCase
+  def test_sitedirs
+    RbConfig::MAKEFILE_CONFIG.each do |key, val|
+      next unless /\Asite(?!arch)/ =~ key
+      assert_match(/(?:\$\(|\/)site/, val, key)
+    end
+  end
+
+  def test_vendordirs
+    RbConfig::MAKEFILE_CONFIG.each do |key, val|
+      next unless /\Avendor(?!arch)/ =~ key
+      assert_match(/(?:\$\(|\/)vendor/, val, key)
+    end
+  end
+
+  def test_archdirs
+    RbConfig::MAKEFILE_CONFIG.each do |key, val|
+      next unless /\A(?!site|vendor|archdir\z).*arch.*dir\z/ =~ key
+      assert_match(/\$\(arch|\$\(rubyarchprefix\)/, val, key)
+    end
+  end
+
+  def test_sitearchdirs
+    bug7823 = '[ruby-dev:46964] [Bug #7823]'
+    RbConfig::MAKEFILE_CONFIG.each do |key, val|
+      next unless /\Asite.*arch.*dir\z/ =~ key
+      assert_match(/\$\(sitearch|\$\(rubyarchprefix\)/, val, "#{key} #{bug7823}")
+    end
+  end
+
+  def test_vendorarchdirs
+    bug7823 = '[ruby-dev:46964] [Bug #7823]'
+    RbConfig::MAKEFILE_CONFIG.each do |key, val|
+      next unless /\Avendor.*arch.*dir\z/ =~ key
+      assert_match(/\$\(sitearch|\$\(rubyarchprefix\)/, val, "#{key} #{bug7823}")
+    end
+  end
+end