1 files changed, 46 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/addrinfo/ipv6_multicast_spec.rb b/spec/ruby/library/socket/addrinfo/ipv6_multicast_spec.rb
new file mode 100644
index 0000000000..52787e5e53
--- /dev/null
+++ b/spec/ruby/library/socket/addrinfo/ipv6_multicast_spec.rb
@@ -0,0 +1,46 @@
+require_relative '../spec_helper'
+
+describe "Addrinfo#ipv6_multicast?" do
+  describe "for an ipv4 socket" do
+    before :each do
+      @multicast = Addrinfo.tcp("224.0.0.1", 80)
+      @other     = Addrinfo.tcp("0.0.0.0", 80)
+    end
+
+    it "returns true for a multicast address" do
+      @multicast.ipv6_multicast?.should == false
+    end
+
+    it "returns false for another address" do
+      @other.ipv6_multicast?.should == false
+    end
+  end
+
+  describe "for an ipv6 socket" do
+    it "returns true for a multicast address" do
+      Addrinfo.ip('ff00::').should.ipv6_multicast?
+      Addrinfo.ip('ff00::1').should.ipv6_multicast?
+      Addrinfo.ip('ff08::1').should.ipv6_multicast?
+      Addrinfo.ip('fff8::1').should.ipv6_multicast?
+
+      Addrinfo.ip('ff02::').should.ipv6_multicast?
+      Addrinfo.ip('ff02::1').should.ipv6_multicast?
+      Addrinfo.ip('ff0f::').should.ipv6_multicast?
+    end
+
+    it "returns false for another address" do
+      Addrinfo.ip('::1').should_not.ipv6_multicast?
+      Addrinfo.ip('fe80::').should_not.ipv6_multicast?
+    end
+  end
+
+  describe "for a unix socket" do
+    before :each do
+      @addrinfo = Addrinfo.unix("/tmp/sock")
+    end
+
+    it "returns false" do
+      @addrinfo.ipv6_multicast?.should == false
+    end
+  end
+end