1 files changed, 126 insertions, 0 deletions
diff --git a/spec/ruby/core/process/constants_spec.rb b/spec/ruby/core/process/constants_spec.rb
new file mode 100644
index 0000000000..5a4c478e74
--- /dev/null
+++ b/spec/ruby/core/process/constants_spec.rb
@@ -0,0 +1,126 @@
+require_relative '../../spec_helper'
+
+describe "Process::Constants" do
+  platform_is :darwin, :netbsd, :freebsd do
+    describe "on BSD-like systems" do
+      %i[
+          WNOHANG
+          WUNTRACED
+          PRIO_PROCESS
+          PRIO_PGRP
+          PRIO_USER
+          RLIM_INFINITY
+          RLIMIT_CPU
+          RLIMIT_FSIZE
+          RLIMIT_DATA
+          RLIMIT_STACK
+          RLIMIT_CORE
+          RLIMIT_RSS
+          RLIMIT_MEMLOCK
+          RLIMIT_NPROC
+          RLIMIT_NOFILE
+      ].each do |const|
+        it "defines #{const}" do
+          Process.const_defined?(const).should == true
+          Process.const_get(const).should.instance_of?(Integer)
+        end
+      end
+    end
+  end
+
+  platform_is :darwin do
+    describe "on Darwin" do
+      %i[
+        RLIM_SAVED_MAX
+        RLIM_SAVED_CUR
+        RLIMIT_AS
+      ].each do |const|
+        it "defines #{const}" do
+          Process.const_defined?(const).should == true
+          Process.const_get(const).should.instance_of?(Integer)
+        end
+      end
+    end
+  end
+
+  platform_is :linux do
+    describe "on Linux" do
+      %i[
+        WNOHANG
+        WUNTRACED
+        PRIO_PROCESS
+        PRIO_PGRP
+        PRIO_USER
+        RLIMIT_CPU
+        RLIMIT_FSIZE
+        RLIMIT_DATA
+        RLIMIT_STACK
+        RLIMIT_CORE
+        RLIMIT_RSS
+        RLIMIT_NPROC
+        RLIMIT_NOFILE
+        RLIMIT_MEMLOCK
+        RLIMIT_AS
+        RLIM_INFINITY
+        RLIM_SAVED_MAX
+        RLIM_SAVED_CUR
+      ].each do |const|
+        it "defines #{const}" do
+          Process.const_defined?(const).should == true
+          Process.const_get(const).should.instance_of?(Integer)
+        end
+      end
+    end
+  end
+
+  platform_is :netbsd, :freebsd do
+    describe "on NetBSD and FreeBSD" do
+      %i[
+        RLIMIT_SBSIZE
+        RLIMIT_AS
+      ].each do |const|
+        it "defines #{const}" do
+          Process.const_defined?(const).should == true
+          Process.const_get(const).should.instance_of?(Integer)
+        end
+      end
+    end
+  end
+
+  platform_is :freebsd do
+    describe "on FreeBSD" do
+      %i[
+        RLIMIT_NPTS
+      ].each do |const|
+        it "defines #{const}" do
+          Process.const_defined?(const).should == true
+          Process.const_get(const).should.instance_of?(Integer)
+        end
+      end
+    end
+  end
+
+  platform_is :windows do
+    describe "on Windows" do
+      %i[
+          RLIMIT_CPU
+          RLIMIT_FSIZE
+          RLIMIT_DATA
+          RLIMIT_STACK
+          RLIMIT_CORE
+          RLIMIT_RSS
+          RLIMIT_NPROC
+          RLIMIT_NOFILE
+          RLIMIT_MEMLOCK
+          RLIMIT_AS
+          RLIM_INFINITY
+          RLIM_SAVED_MAX
+          RLIM_SAVED_CUR
+      ].each do |const|
+        it "does not define #{const}" do
+          Process.const_defined?(const).should == false
+        end
+      end
+    end
+  end
+end