1 files changed, 86 insertions, 0 deletions
diff --git a/spec/ruby/core/io/open_spec.rb b/spec/ruby/core/io/open_spec.rb
new file mode 100644
index 0000000000..f87ee6c7c2
--- /dev/null
+++ b/spec/ruby/core/io/open_spec.rb
@@ -0,0 +1,86 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/new', __FILE__)
+
+describe "IO.open" do
+  it_behaves_like :io_new, :open
+end
+
+describe "IO.open" do
+  it_behaves_like :io_new_errors, :open
+end
+
+# These specs use a special mock helper to avoid mock
+# methods from preventing IO#close from running and
+# which would prevent the file referenced by @fd from
+# being deleted on Windows.
+
+describe "IO.open" do
+  before :each do
+    @name = tmp("io_open.txt")
+    @fd = new_fd @name
+    ScratchPad.clear
+  end
+
+  after :each do
+    rm_r @name
+  end
+
+  it "calls #close after yielding to the block" do
+    IO.open(@fd, "w") do |io|
+      IOSpecs.io_mock(io, :close) do
+        super()
+        ScratchPad.record :called
+      end
+      io.closed?.should be_false
+    end
+    ScratchPad.recorded.should == :called
+  end
+
+  it "propagates an exception raised by #close that is not a StandardError" do
+    lambda do
+      IO.open(@fd, "w") do |io|
+        IOSpecs.io_mock(io, :close) do
+          super()
+          ScratchPad.record :called
+          raise Exception
+        end
+      end
+    end.should raise_error(Exception)
+    ScratchPad.recorded.should == :called
+  end
+
+  it "propagates an exception raised by #close that is a StandardError" do
+    lambda do
+      IO.open(@fd, "w") do |io|
+        IOSpecs.io_mock(io, :close) do
+          super()
+          ScratchPad.record :called
+          raise StandardError
+        end
+      end
+    end.should raise_error(StandardError)
+    ScratchPad.recorded.should == :called
+  end
+
+  it "does not propagate a IOError with 'closed stream' message raised by #close" do
+    IO.open(@fd, "w") do |io|
+      IOSpecs.io_mock(io, :close) do
+        super()
+        ScratchPad.record :called
+        raise IOError, 'closed stream'
+      end
+    end
+    ScratchPad.recorded.should == :called
+  end
+
+  it "does not set last error when a IOError with 'closed stream' raised by #close" do
+    IO.open(@fd, "w") do |io|
+      IOSpecs.io_mock(io, :close) do
+        super()
+        raise IOError, 'closed stream'
+      end
+    end
+    $!.should == nil
+  end
+end