Added unit tests that verify the correct fallback behaviour on 1.8.x. F…

…ixes #18

test/shoulda_macros.rb

@@ -4,6 +4,8 @@ module ShouldaMacros
   # The given strings will be regexp-matched against RUBY_VERSION
   # 
   def on_ruby(*ruby_versions)
-    yield if ruby_versions.any? {|v| RUBY_VERSION =~ /#{v}/ }
+    context "On Ruby #{RUBY_VERSION}" do
+      yield
+    end if ruby_versions.any? {|v| RUBY_VERSION =~ /#{v}/ }
   end
 end

test/test_1_8_fallbacks.rb

@@ -0,0 +1,19 @@
+require 'helper'
+
+# Tests that verify that on 1.8 versions of ruby, simplecov simply
+# does not launch and does not cause errors on the way
+class Test18FallBacks < Test::Unit::TestCase
+  on_ruby '1.8' do
+    should "return false when calling SimpleCov.start" do
+      assert_equal false, SimpleCov.start
+    end
+
+    should "return false when calling SimpleCov.start with a block" do
+      assert_equal false, SimpleCov.start { raise "Shouldn't reach this!?" }
+    end
+
+    should "return false when calling SimpleCov.configure with a block" do
+      assert_equal false, SimpleCov.configure { raise "Shouldn't reach this!?" }
+    end
+  end
+end