1 files changed, 55 insertions, 0 deletions
diff --git a/spec/ruby/core/file/atime_spec.rb b/spec/ruby/core/file/atime_spec.rb
new file mode 100644
index 0000000000..76e7fbd62a
--- /dev/null
+++ b/spec/ruby/core/file/atime_spec.rb
@@ -0,0 +1,55 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "File.atime" do
+  before :each do
+    @file = tmp('test.txt')
+    touch @file
+  end
+
+  after :each do
+    rm_r @file
+  end
+
+  it "returns the last access time for the named file as a Time object" do
+    File.atime(@file)
+    File.atime(@file).should be_kind_of(Time)
+  end
+
+  platform_is :linux do
+    ## NOTE also that some Linux systems disable atime (e.g. via mount params) for better filesystem speed.
+    it "returns the last access time for the named file with microseconds" do
+      supports_subseconds = Integer(`stat -c%x '#{__FILE__}'`[/\.(\d+)/, 1], 10)
+      if supports_subseconds != 0
+        expected_time = Time.at(Time.now.to_i + 0.123456)
+        File.utime expected_time, 0, @file
+        File.atime(@file).usec.should == expected_time.usec
+      else
+        File.atime(__FILE__).usec.should == 0
+      end
+    end
+  end
+
+  it "raises an Errno::ENOENT exception if the file is not found" do
+    lambda { File.atime('a_fake_file') }.should raise_error(Errno::ENOENT)
+  end
+
+  it "accepts an object that has a #to_path method" do
+    File.atime(mock_to_path(@file))
+  end
+end
+
+describe "File#atime" do
+  before :each do
+    @name = File.expand_path(__FILE__)
+    @file = File.open(@name)
+  end
+
+  after :each do
+    @file.close rescue nil
+  end
+
+  it "returns the last access time to self" do
+    @file.atime
+    @file.atime.should be_kind_of(Time)
+  end
+end