1 files changed, 39 insertions, 0 deletions
diff --git a/test/rake/test_rake.rb b/test/rake/test_rake.rb
new file mode 100644
index 0000000000..0f0f6a843d
--- /dev/null
+++ b/test/rake/test_rake.rb
@@ -0,0 +1,39 @@
+require 'test/unit'
+require 'rake'
+
+class TestRake < Test::Unit::TestCase
+  def test_each_dir_parent
+    assert_equal ['a'], alldirs('a')
+    assert_equal ['a/b', 'a'], alldirs('a/b')
+    assert_equal ['/a/b', '/a', '/'], alldirs('/a/b')
+    if File.dirname("c:/foo") == "c:"
+      # Under Unix
+      assert_equal ['c:/a/b', 'c:/a', 'c:'], alldirs('c:/a/b')
+      assert_equal ['c:a/b', 'c:a'], alldirs('c:a/b')
+    else
+      # Under Windows
+      assert_equal ['c:/a/b', 'c:/a', 'c:/'], alldirs('c:/a/b')
+      assert_equal ['c:a/b', 'c:a'], alldirs('c:a/b')
+    end
+  end
+
+  def alldirs(fn)
+    result = []
+    Rake.each_dir_parent(fn) { |d| result << d }
+    result
+  end
+
+  def test_can_override_application
+    old_app = Rake.application
+    fake_app = Object.new
+    Rake.application = fake_app
+    assert_equal fake_app, Rake.application
+  ensure
+    Rake.application = old_app
+  end
+
+  def test_original_dir_reports_current_dir
+    assert_equal Dir.pwd, Rake.original_dir
+  end
+    
+end