1 files changed, 37 insertions, 0 deletions
diff --git a/spec/ruby/core/file/rename_spec.rb b/spec/ruby/core/file/rename_spec.rb
new file mode 100644
index 0000000000..70ea669a68
--- /dev/null
+++ b/spec/ruby/core/file/rename_spec.rb
@@ -0,0 +1,37 @@
+require_relative '../../spec_helper'
+
+describe "File.rename" do
+  before :each do
+    @old = tmp("file_rename.txt")
+    @new = tmp("file_rename.new")
+
+    rm_r @new
+    touch(@old) { |f| f.puts "hello" }
+  end
+
+  after :each do
+    rm_r @old, @new
+  end
+
+  it "renames a file" do
+    File.should.exist?(@old)
+    File.should_not.exist?(@new)
+    File.rename(@old, @new)
+    File.should_not.exist?(@old)
+    File.should.exist?(@new)
+  end
+
+  it "raises an Errno::ENOENT if the source does not exist" do
+    rm_r @old
+    -> { File.rename(@old, @new) }.should.raise(Errno::ENOENT)
+  end
+
+  it "raises an ArgumentError if not passed two arguments" do
+    -> { File.rename        }.should.raise(ArgumentError)
+    -> { File.rename(@file) }.should.raise(ArgumentError)
+  end
+
+  it "raises a TypeError if not passed String types" do
+    -> { File.rename(1, 2)  }.should.raise(TypeError)
+  end
+end