1 files changed, 53 insertions, 0 deletions
diff --git a/spec/ruby/core/file/mkfifo_spec.rb b/spec/ruby/core/file/mkfifo_spec.rb
new file mode 100644
index 0000000000..ad6e804b99
--- /dev/null
+++ b/spec/ruby/core/file/mkfifo_spec.rb
@@ -0,0 +1,53 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+ruby_version_is "2.3" do
+  describe "File.mkfifo" do
+    platform_is_not :windows do
+      before do
+        @path = tmp('fifo')
+      end
+
+      after do
+        rm_r(@path)
+      end
+
+      context "when path passed responds to :to_path" do
+        it "creates a FIFO file at the path specified" do
+          File.mkfifo(@path)
+          File.ftype(@path).should == "fifo"
+        end
+      end
+
+      context "when path passed is not a String value" do
+        it "raises a TypeError" do
+          lambda { File.mkfifo(:"/tmp/fifo") }.should raise_error(TypeError)
+        end
+      end
+
+      context "when path does not exist" do
+        it "raises an Errno::ENOENT exception" do
+          lambda { File.mkfifo("/bogus/path") }.should raise_error(Errno::ENOENT)
+        end
+      end
+
+      it "creates a FIFO file at the passed path" do
+        File.mkfifo(@path.to_s)
+        File.ftype(@path).should == "fifo"
+      end
+
+      it "creates a FIFO file with passed mode & ~umask" do
+        File.mkfifo(@path, 0755)
+        File.stat(@path).mode.should == 010755 & ~File.umask
+      end
+
+      it "creates a FIFO file with a default mode of 0666 & ~umask" do
+        File.mkfifo(@path)
+        File.stat(@path).mode.should == 010666 & ~File.umask
+      end
+
+      it "returns 0 after creating the FIFO file" do
+        File.mkfifo(@path).should == 0
+      end
+    end
+  end
+end