1 files changed, 66 insertions, 0 deletions
diff --git a/spec/ruby/shared/file/directory.rb b/spec/ruby/shared/file/directory.rb
new file mode 100644
index 0000000000..67e939bf16
--- /dev/null
+++ b/spec/ruby/shared/file/directory.rb
@@ -0,0 +1,66 @@
+describe :file_directory, shared: true do
+  before :each do
+    @dir = tmp("file_directory")
+    @file = tmp("file_directory.txt")
+
+    mkdir_p @dir
+    touch @file
+  end
+
+  after :each do
+    rm_r @dir, @file
+  end
+
+  it "returns true if the argument is a directory" do
+    @object.send(@method, @dir).should be_true
+  end
+
+  it "returns false if the argument is not a directory" do
+    @object.send(@method, @file).should be_false
+  end
+
+  it "accepts an object that has a #to_path method" do
+    @object.send(@method, mock_to_path(@dir)).should be_true
+  end
+
+  it "raises a TypeError when passed an Integer" do
+    lambda { @object.send(@method, 1) }.should raise_error(TypeError)
+    lambda { @object.send(@method, bignum_value) }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed nil" do
+    lambda { @object.send(@method, nil) }.should raise_error(TypeError)
+  end
+end
+
+describe :file_directory_io, shared: true do
+  before :each do
+    @dir = tmp("file_directory_io")
+    @file = tmp("file_directory_io.txt")
+
+    mkdir_p @dir
+    touch @file
+  end
+
+  after :each do
+    rm_r @dir, @file
+  end
+
+  it "returns false if the argument is an IO that's not a directory" do
+    @object.send(@method, STDIN).should be_false
+  end
+
+  platform_is_not :windows do
+    it "returns true if the argument is an IO that is a directory" do
+      File.open(@dir, "r") do |f|
+        @object.send(@method, f).should be_true
+      end
+    end
+  end
+
+  it "calls #to_io to convert a non-IO object" do
+    io = mock('FileDirectoryIO')
+    io.should_receive(:to_io).and_return(STDIN)
+    @object.send(@method, io).should be_false
+  end
+end