1 files changed, 84 insertions, 0 deletions
diff --git a/spec/ruby/core/file/to_path_spec.rb b/spec/ruby/core/file/to_path_spec.rb
new file mode 100644
index 0000000000..b968d3b2b9
--- /dev/null
+++ b/spec/ruby/core/file/to_path_spec.rb
@@ -0,0 +1,84 @@
+require_relative '../../spec_helper'
+
+describe "File#to_path" do
+  before :each do
+    @path = tmp("file_to_path")
+    @name = File.basename(@path)
+    touch @path
+  end
+
+  after :each do
+    @file.close if @file and !@file.closed?
+    rm_r @path
+  end
+
+  it "returns a String" do
+    @file = File.new @path
+    @file.to_path.should.instance_of?(String)
+  end
+
+  it "returns a different String on every call" do
+    @file = File.new @path
+    path1 = @file.to_path
+    path2 = @file.to_path
+    path1.should == path2
+    path1.should_not.equal?(path2)
+  end
+
+  it "returns a mutable String" do
+    @file = File.new @path.dup.freeze
+    path = @file.to_path
+    path.should == @path
+    path.should_not.frozen?
+    path << "test"
+    @file.to_path.should == @path
+  end
+
+  it "calls to_str on argument and returns exact value" do
+    path = mock('path')
+    path.should_receive(:to_str).and_return(@path)
+    @file = File.new path
+    @file.to_path.should == @path
+  end
+
+  it "does not normalise the path it returns" do
+    Dir.chdir(tmp("")) do
+      unorm = "./#{@name}"
+      @file = File.new unorm
+      @file.to_path.should == unorm
+    end
+  end
+
+  it "does not canonicalize the path it returns" do
+    dir = File.basename tmp("")
+    path = "#{tmp("")}../#{dir}/#{@name}"
+    @file = File.new path
+    @file.to_path.should == path
+  end
+
+  it "does not absolute-ise the path it returns" do
+    Dir.chdir(tmp("")) do
+      @file = File.new @name
+      @file.to_path.should == @name
+    end
+  end
+
+  it "preserves the encoding of the path" do
+    path = @path.force_encoding("euc-jp")
+    @file = File.new path
+    @file.to_path.encoding.should == Encoding.find("euc-jp")
+  end
+
+  platform_is :linux do
+    guard -> { defined?(File::TMPFILE) } do
+      before :each do
+        @dir = tmp("tmpfilespec")
+        mkdir_p @dir
+      end
+
+      after :each do
+        rm_r @dir
+      end
+    end
+  end
+end