1 files changed, 23 insertions, 7 deletions
diff --git a/spec/ruby/library/tempfile/open_spec.rb b/spec/ruby/library/tempfile/open_spec.rb
index 062d1a3fc2..0993a2c5ee 100644
--- a/spec/ruby/library/tempfile/open_spec.rb
+++ b/spec/ruby/library/tempfile/open_spec.rb
@@ -14,7 +14,7 @@ describe "Tempfile#open" do
   it "reopens self" do
     @tempfile.close
     @tempfile.open
-    @tempfile.closed?.should be_false
+    @tempfile.closed?.should == false
   end
 
   it "reopens self in read and write mode and does not truncate" do
@@ -33,14 +33,30 @@ describe "Tempfile.open" do
 
   it "returns a new, open Tempfile instance" do
     @tempfile = Tempfile.open("specs")
-    # Delegation messes up .should be_an_instance_of(Tempfile)
-    @tempfile.instance_of?(Tempfile).should be_true
+    # Delegation messes up .should.instance_of?(Tempfile)
+    @tempfile.instance_of?(Tempfile).should == true
   end
 
   it "is passed an array [base, suffix] as first argument" do
     Tempfile.open(["specs", ".tt"]) { |tempfile| @tempfile = tempfile }
     @tempfile.path.should =~ /specs.*\.tt$/
   end
+
+  it "passes the third argument (options) to open" do
+    Tempfile.open("specs", Dir.tmpdir, encoding: "IBM037:IBM037", binmode: true) do |tempfile|
+      @tempfile = tempfile
+      tempfile.external_encoding.should == Encoding.find("IBM037")
+      tempfile.binmode?.should == true
+    end
+  end
+
+  it "uses a blank string for basename when passed no arguments" do
+    Tempfile.open() do |tempfile|
+      @tempfile = tempfile
+      tempfile.closed?.should == false
+    end
+    @tempfile.should_not == nil
+  end
 end
 
 describe "Tempfile.open when passed a block" do
@@ -58,9 +74,9 @@ describe "Tempfile.open when passed a block" do
       @tempfile = tempfile
       ScratchPad.record :yielded
 
-      # Delegation messes up .should be_an_instance_of(Tempfile)
-      tempfile.instance_of?(Tempfile).should be_true
-      tempfile.closed?.should be_false
+      # Delegation messes up .should.instance_of?(Tempfile)
+      tempfile.instance_of?(Tempfile).should == true
+      tempfile.closed?.should == false
     end
 
     ScratchPad.recorded.should == :yielded
@@ -76,6 +92,6 @@ describe "Tempfile.open when passed a block" do
 
   it "closes the yielded Tempfile after the block" do
     Tempfile.open("specs") { |tempfile| @tempfile = tempfile }
-    @tempfile.closed?.should be_true
+    @tempfile.closed?.should == true
   end
 end