1 files changed, 76 insertions, 0 deletions
diff --git a/trunk/test/ruby/test_system.rb b/trunk/test/ruby/test_system.rb
new file mode 100644
index 0000000000..ec8aca74cb
--- /dev/null
+++ b/trunk/test/ruby/test_system.rb
@@ -0,0 +1,76 @@
+require 'test/unit'
+require 'tmpdir'
+require_relative 'envutil'
+
+class TestSystem < Test::Unit::TestCase
+  def valid_syntax?(code, fname)
+    code.force_encoding("ascii-8bit")
+    code = code.sub(/\A(?:\s*\#.*$)*(\n)?/n) {
+      "#$&#{"\n" if $1 && !$2}BEGIN{return true}\n"
+    }
+    eval(code, nil, fname, 0)
+  end
+
+  def test_system
+    ruby = EnvUtil.rubybin
+    assert_equal("foobar\n", `echo foobar`)
+    assert_equal('foobar', `#{ruby} -e 'print "foobar"'`)
+
+    Dir.mktmpdir("ruby_script_tmp") {|tmpdir|
+      tmpfilename = "#{tmpdir}/ruby_script_tmp.#{$$}"
+
+      tmp = open(tmpfilename, "w")
+      tmp.print "print $zzz\n";
+      tmp.close
+
+      assert_equal('true', `#{ruby} -s #{tmpfilename} -zzz`)
+      assert_equal('555', `#{ruby} -s #{tmpfilename} -zzz=555`)
+
+      tmp = open(tmpfilename, "w")
+      tmp.print "#! /usr/local/bin/ruby -s\n";
+      tmp.print "print $zzz\n";
+      tmp.close
+
+      assert_equal('678', `#{ruby} #{tmpfilename} -zzz=678`)
+
+      tmp = open(tmpfilename, "w")
+      tmp.print "this is a leading junk\n";
+      tmp.print "#! /usr/local/bin/ruby -s\n";
+      tmp.print "print $zzz\n";
+      tmp.print "__END__\n";
+      tmp.print "this is a trailing junk\n";
+      tmp.close
+
+      assert_equal('', `#{ruby} -x #{tmpfilename}`)
+      assert_equal('555', `#{ruby} -x #{tmpfilename} -zzz=555`)
+
+      tmp = open(tmpfilename, "w")
+      for i in 1..5
+        tmp.print i, "\n"
+      end
+      tmp.close
+
+      `#{ruby} -i.bak -pe '$_.sub!(/^[0-9]+$/){$&.to_i * 5}' #{tmpfilename}`
+      tmp = open(tmpfilename, "r")
+      while tmp.gets
+        assert_equal(0, $_.to_i % 5)
+      end
+      tmp.close
+
+      File.unlink tmpfilename or `/bin/rm -f "#{tmpfilename}"`
+      File.unlink "#{tmpfilename}.bak" or `/bin/rm -f "#{tmpfilename}.bak"`
+    }
+  end
+
+  def test_syntax
+    assert_nothing_raised(Exception) do
+      for script in Dir[File.expand_path("../../../{lib,sample,ext}/**/*.rb", __FILE__)]
+        valid_syntax? IO::read(script), script
+      end
+    end
+  end
+
+  def test_empty_evstr
+    assert_equal("", eval('"#{}"', nil, __FILE__, __LINE__), "[ruby-dev:25113]")
+  end
+end