text: require_relative '../../spec_helper'
  require_relative 'fixtures/common'
  
  describe "Process.kill" do
    ProcessSpecs.use_system_ruby(self)
  
    before :each do
      @pid = Process.pid
    end
  
    it "raises an ArgumentError for unknown signals" do
      -> { Process.kill("FOO", @pid) }.should raise_error(ArgumentError)
    end
  
    it "raises an ArgumentError if passed a lowercase signal name" do
      -> { Process.kill("term", @pid) }.should raise_error(ArgumentError)
    end
  
    it "raises an ArgumentError if signal is not a Fixnum or String" do
      signal = mock("process kill signal")
      signal.should_not_receive(:to_int)
  
      -> { Process.kill(signal, @pid) }.should raise_error(ArgumentError)
    end
  
    it "raises Errno::ESRCH if the process does not exist" do
      pid = Process.spawn(*ruby_exe, "-e", "sleep 10")
      Process.kill("SIGKILL", pid)
      Process.wait(pid)
      -> {
        Process.kill("SIGKILL", pid)
      }.should raise_error(Errno::ESRCH)
    end
  
    it "checks for existence and permissions to signal a process, but does not actually signal it, when using signal 0" do
      Process.kill(0, @pid).should == 1
    end
  end
  
  platform_is_not :windows do
    describe "Process.kill" do
      ProcessSpecs.use_system_ruby(self)
  
      before :each do
        @sp = ProcessSpecs::Signalizer.new
      end
  
      after :each do
        @sp.cleanup
      end
  
      it "accepts a Symbol as a signal name" do
        Process.kill(:SIGTERM, @sp.pid)
        @sp.result.should == "signaled"
      end
  
      it "accepts a String as signal name" do
        Process.kill("SIGTERM", @sp.pid)
        @sp.result.should == "signaled"
      end
  
      it "accepts a signal name without the 'SIG' prefix" do
        Process.kill("TERM", @sp.pid)
        @sp.result.should == "signaled"
      end
  
      it "accepts a signal name with the 'SIG' prefix" do
        Process.kill("SIGTERM", @sp.pid)
        @sp.result.should == "signaled"
      end
  
      it "accepts an Integer as a signal value" do
        Process.kill(15, @sp.pid)
        @sp.result.should == "signaled"
      end
  
      it "calls #to_int to coerce the pid to an Integer" do
        Process.kill("SIGTERM", mock_int(@sp.pid))
        @sp.result.should == "signaled"
      end
    end
  
    describe "Process.kill" do
      ProcessSpecs.use_system_ruby(self)
  
      before :each do
        @sp1 = ProcessSpecs::Signalizer.new
        @sp2 = ProcessSpecs::Signalizer.new
      end
  
      after :each do
        @sp1.cleanup
        @sp2.cleanup
      end
  
      it "signals multiple processes" do
        Process.kill("SIGTERM", @sp1.pid, @sp2.pid)
        @sp1.result.should == "signaled"
        @sp2.result.should == "signaled"
      end
  
      it "returns the number of processes signaled" do
        Process.kill("SIGTERM", @sp1.pid, @sp2.pid).should == 2
      end
    end
  
    describe "Process.kill" do
      after :each do
        @sp.cleanup if @sp
      end
  
      it "signals the process group if the PID is zero" do
        @sp = ProcessSpecs::Signalizer.new "self"
        @sp.result.should == "signaled"
      end
  
      it "signals the process group if the signal number is negative" do
        @sp = ProcessSpecs::Signalizer.new "group_numeric"
        @sp.result.should == "signaled"
      end
  
      it "signals the process group if the short signal name starts with a minus sign" do
        @sp = ProcessSpecs::Signalizer.new "group_short_string"
        @sp.result.should == "signaled"
      end
  
      it "signals the process group if the full signal name starts with a minus sign" do
        @sp = ProcessSpecs::Signalizer.new "group_full_string"
        @sp.result.should == "signaled"
      end
    end
  end
  