1 files changed, 20 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/addrinfo/ipv6_v4compat_spec.rb b/spec/ruby/library/socket/addrinfo/ipv6_v4compat_spec.rb
new file mode 100644
index 0000000000..ab8388a21b
--- /dev/null
+++ b/spec/ruby/library/socket/addrinfo/ipv6_v4compat_spec.rb
@@ -0,0 +1,20 @@
+require_relative '../spec_helper'
+
+describe 'Addrinfo#ipv6_v4compat?' do
+  it 'returns true for an IPv4 compatible address' do
+    Addrinfo.ip('::127.0.0.1').ipv6_v4compat?.should == true
+    Addrinfo.ip('::192.168.1.1').ipv6_v4compat?.should == true
+  end
+
+  it 'returns false for an IPv4 mapped address' do
+    Addrinfo.ip('::ffff:192.168.1.1').ipv6_v4compat?.should == false
+  end
+
+  it 'returns false for a regular IPv6 address' do
+    Addrinfo.ip('::1').ipv6_v4compat?.should == false
+  end
+
+  it 'returns false for an IPv4 address' do
+    Addrinfo.ip('127.0.0.1').ipv6_v4compat?.should == false
+  end
+end