diff options
Diffstat (limited to 'spec/ruby/core/io/sync_spec.rb')
-rw-r--r-- | spec/ruby/core/io/sync_spec.rb | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/spec/ruby/core/io/sync_spec.rb b/spec/ruby/core/io/sync_spec.rb new file mode 100644 index 0000000000..5cd873d799 --- /dev/null +++ b/spec/ruby/core/io/sync_spec.rb @@ -0,0 +1,64 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "IO#sync=" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + end + + after :each do + @io.close unless @io.closed? + end + + it "sets the sync mode to true or false" do + @io.sync = true + @io.sync.should == true + @io.sync = false + @io.sync.should == false + end + + it "accepts non-boolean arguments" do + @io.sync = 10 + @io.sync.should == true + @io.sync = nil + @io.sync.should == false + @io.sync = Object.new + @io.sync.should == true + end + + it "raises an IOError on closed stream" do + lambda { IOSpecs.closed_io.sync = true }.should raise_error(IOError) + end +end + +describe "IO#sync" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + end + + after :each do + @io.close unless @io.closed? + end + + it "returns the current sync mode" do + @io.sync.should == false + end + + it "raises an IOError on closed stream" do + lambda { IOSpecs.closed_io.sync }.should raise_error(IOError) + end +end + +describe "IO#sync" do + it "is false by default for STDIN" do + STDIN.sync.should == false + end + + it "is false by default for STDOUT" do + STDOUT.sync.should == false + end + + it "is true by default for STDERR" do + STDERR.sync.should == true + end +end |