1 files changed, 93 insertions, 0 deletions
diff --git a/spec/ruby/library/net-http/httpheader/set_range_spec.rb b/spec/ruby/library/net-http/httpheader/set_range_spec.rb
new file mode 100644
index 0000000000..d48ed1897a
--- /dev/null
+++ b/spec/ruby/library/net-http/httpheader/set_range_spec.rb
@@ -0,0 +1,93 @@
+require_relative '../../../spec_helper'
+require 'net/http'
+require_relative 'fixtures/classes'
+
+describe "Net::HTTPHeader#set_range" do
+  before :each do
+    @headers = NetHTTPHeaderSpecs::Example.new
+  end
+
+  describe "when passed nil" do
+    it "returns nil" do
+      @headers.set_range(nil).should == nil
+    end
+
+    it "deletes the 'Range' header entry" do
+      @headers["Range"] = "bytes 0-499/1234"
+      @headers.set_range(nil)
+      @headers["Range"].should == nil
+    end
+  end
+
+  describe "when passed Numeric" do
+    it "sets the 'Range' header entry based on the passed Numeric" do
+      @headers.set_range(10)
+      @headers["Range"].should == "bytes=0-9"
+
+      @headers.set_range(-10)
+      @headers["Range"].should == "bytes=-10"
+
+      @headers.set_range(10.9)
+      @headers["Range"].should == "bytes=0-9"
+    end
+  end
+
+  describe "when passed Range" do
+    it "sets the 'Range' header entry based on the passed Range" do
+      @headers.set_range(10..200)
+      @headers["Range"].should == "bytes=10-200"
+
+      @headers.set_range(1..5)
+      @headers["Range"].should == "bytes=1-5"
+
+      @headers.set_range(1...5)
+      @headers["Range"].should == "bytes=1-4"
+
+      @headers.set_range(234..567)
+      @headers["Range"].should == "bytes=234-567"
+
+      @headers.set_range(-5..-1)
+      @headers["Range"].should == "bytes=-5"
+
+      @headers.set_range(1..-1)
+      @headers["Range"].should == "bytes=1-"
+    end
+
+    it "raises a Net::HTTPHeaderSyntaxError when the first Range element is negative" do
+      -> { @headers.set_range(-10..5) }.should.raise(Net::HTTPHeaderSyntaxError)
+    end
+
+    it "raises a Net::HTTPHeaderSyntaxError when the last Range element is negative" do
+      -> { @headers.set_range(10..-5) }.should.raise(Net::HTTPHeaderSyntaxError)
+    end
+
+    it "raises a Net::HTTPHeaderSyntaxError when the last Range element is smaller than the first" do
+      -> { @headers.set_range(10..5) }.should.raise(Net::HTTPHeaderSyntaxError)
+    end
+  end
+
+  describe "when passed start, end" do
+    it "sets the 'Range' header entry based on the passed start and length values" do
+      @headers.set_range(10, 200)
+      @headers["Range"].should == "bytes=10-209"
+
+      @headers.set_range(1, 5)
+      @headers["Range"].should == "bytes=1-5"
+
+      @headers.set_range(234, 567)
+      @headers["Range"].should == "bytes=234-800"
+    end
+
+    it "raises a Net::HTTPHeaderSyntaxError when start is negative" do
+      -> { @headers.set_range(-10, 5) }.should.raise(Net::HTTPHeaderSyntaxError)
+    end
+
+    it "raises a Net::HTTPHeaderSyntaxError when start + length is negative" do
+      -> { @headers.set_range(10, -15) }.should.raise(Net::HTTPHeaderSyntaxError)
+    end
+
+    it "raises a Net::HTTPHeaderSyntaxError when length is negative" do
+      -> { @headers.set_range(10, -4) }.should.raise(Net::HTTPHeaderSyntaxError)
+    end
+  end
+end