1 files changed, 27 insertions, 25 deletions

diff --git a/spec/ruby/core/process/status/wait_spec.rb b/spec/ruby/core/process/status/wait_spec.rb
index 57d56209a9..8bd7fc6b43 100644
--- a/spec/ruby/core/process/status/wait_spec.rb
+++ b/spec/ruby/core/process/status/wait_spec.rb
@@ -21,14 +21,14 @@ describe "Process::Status.wait" do
     it "returns a status with its child pid" do
       pid = Process.spawn(ruby_cmd('exit'))
       status = Process::Status.wait
-      status.should be_an_instance_of(Process::Status)
+      status.should.instance_of?(Process::Status)
       status.pid.should == pid
     end
 
     it "should not set $? to the Process::Status" do
       pid = Process.spawn(ruby_cmd('exit'))
       status = Process::Status.wait
-      $?.should_not equal(status)
+      $?.should_not.equal?(status)
     end
 
     it "should not change the value of $?" do
@@ -36,13 +36,13 @@ describe "Process::Status.wait" do
       Process.wait
       status = $?
       Process::Status.wait
-      status.should equal($?)
+      status.should.equal?($?)
     end
 
     it "waits for any child process if no pid is given" do
       pid = Process.spawn(ruby_cmd('exit'))
       Process::Status.wait.pid.should == pid
-      -> { Process.kill(0, pid) }.should raise_error(Errno::ESRCH)
+      -> { Process.kill(0, pid) }.should.raise(Errno::ESRCH)
     end
 
     it "waits for a specific child if a pid is given" do
@@ -50,14 +50,14 @@ describe "Process::Status.wait" do
       pid2 = Process.spawn(ruby_cmd('exit'))
       Process::Status.wait(pid2).pid.should == pid2
       Process::Status.wait(pid1).pid.should == pid1
-      -> { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH)
-      -> { Process.kill(0, pid2) }.should raise_error(Errno::ESRCH)
+      -> { Process.kill(0, pid1) }.should.raise(Errno::ESRCH)
+      -> { Process.kill(0, pid2) }.should.raise(Errno::ESRCH)
     end
 
     it "coerces the pid to an Integer" do
       pid1 = Process.spawn(ruby_cmd('exit'))
       Process::Status.wait(mock_int(pid1)).pid.should == pid1
-      -> { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH)
+      -> { Process.kill(0, pid1) }.should.raise(Errno::ESRCH)
     end
 
     # This spec is probably system-dependent.
@@ -70,31 +70,33 @@ describe "Process::Status.wait" do
     end
 
     # This spec is probably system-dependent.
-    it "doesn't block if no child is available when WNOHANG is used" do
-      read, write = IO.pipe
-      pid = Process.fork do
-        read.close
-        Signal.trap("TERM") { Process.exit! }
-        write << 1
+    guard -> { Process.respond_to?(:fork) } do
+      it "doesn't block if no child is available when WNOHANG is used" do
+        read, write = IO.pipe
+        pid = Process.fork do
+          read.close
+          Signal.trap("TERM") { Process.exit! }
+          write << 1
+          write.close
+          sleep
+        end
+
+        Process::Status.wait(pid, Process::WNOHANG).should == nil
+
+        # wait for the child to setup its TERM handler
         write.close
-        sleep
-      end
-
-      Process::Status.wait(pid, Process::WNOHANG).should be_nil
-
-      # wait for the child to setup its TERM handler
-      write.close
-      read.read(1)
-      read.close
+        read.read(1)
+        read.close
 
-      Process.kill("TERM", pid)
-      Process::Status.wait.pid.should == pid
+        Process.kill("TERM", pid)
+        Process::Status.wait.pid.should == pid
+      end
     end
 
     it "always accepts flags=0" do
       pid = Process.spawn(ruby_cmd('exit'))
       Process::Status.wait(-1, 0).pid.should == pid
-      -> { Process.kill(0, pid) }.should raise_error(Errno::ESRCH)
+      -> { Process.kill(0, pid) }.should.raise(Errno::ESRCH)
     end
   end
 end