1 files changed, 22 insertions, 0 deletions
diff --git a/spec/ruby/library/etc/sysconf_spec.rb b/spec/ruby/library/etc/sysconf_spec.rb
new file mode 100644
index 0000000000..81ce1ca258
--- /dev/null
+++ b/spec/ruby/library/etc/sysconf_spec.rb
@@ -0,0 +1,22 @@
+require_relative '../../spec_helper'
+require 'etc'
+
+platform_is_not :windows do
+  describe "Etc.sysconf" do
+    %w[
+      SC_ARG_MAX SC_CHILD_MAX SC_HOST_NAME_MAX SC_LOGIN_NAME_MAX SC_NGROUPS_MAX
+      SC_CLK_TCK SC_OPEN_MAX SC_PAGESIZE SC_RE_DUP_MAX SC_STREAM_MAX
+      SC_SYMLOOP_MAX SC_TTY_NAME_MAX SC_TZNAME_MAX SC_VERSION
+    ].each do |const|
+      it "returns the value of POSIX.1 system configuration variable #{const}" do
+        var = Etc.const_get(const)
+        value = Etc.sysconf(var)
+        if value.nil?
+          value.should == nil
+        else
+          value.should.is_a?(Integer)
+        end
+      end
+    end
+  end
+end