1 files changed, 54 insertions, 0 deletions
diff --git a/spec/ruby/core/file/ctime_spec.rb b/spec/ruby/core/file/ctime_spec.rb
new file mode 100644
index 0000000000..cf37d1f4ee
--- /dev/null
+++ b/spec/ruby/core/file/ctime_spec.rb
@@ -0,0 +1,54 @@
+require_relative '../../spec_helper'
+
+describe "File.ctime" do
+  before :each do
+    @file = __FILE__
+  end
+
+  after :each do
+    @file = nil
+  end
+
+  it "returns the change time for the named file (the time at which directory information about the file was changed, not the file itself)." do
+    File.ctime(@file)
+    File.ctime(@file).should.is_a?(Time)
+  end
+
+  platform_is :linux, :windows do
+    it "returns the change time for the named file (the time at which directory information about the file was changed, not the file itself) with microseconds." do
+      supports_subseconds = Integer(`stat -c%z '#{__FILE__}'`[/\.(\d{1,6})/, 1], 10)
+      if supports_subseconds != 0
+        File.ctime(__FILE__).usec.should > 0
+      else
+        File.ctime(__FILE__).usec.should == 0
+      end
+    rescue Errno::ENOENT => e
+      # Windows don't have stat command.
+      skip e.message
+    end
+  end
+
+  it "accepts an object that has a #to_path method" do
+    File.ctime(mock_to_path(@file))
+  end
+
+  it "raises an Errno::ENOENT exception if the file is not found" do
+    -> { File.ctime('bogus') }.should.raise(Errno::ENOENT)
+  end
+end
+
+describe "File#ctime" do
+  before :each do
+    @file = File.open(__FILE__)
+  end
+
+  after :each do
+    @file.close
+    @file = nil
+  end
+
+  it "returns the change time for the named file (the time at which directory information about the file was changed, not the file itself)." do
+    @file.ctime
+    @file.ctime.should.is_a?(Time)
+  end
+end