* test/dtrace/helper.rb (DTrace::TestCase): check dtrace availability

once.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37969 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/dtrace/helper.rb

@@ -1,3 +1,4 @@
+# -*- coding: us-ascii -*-
 require 'minitest/autorun'
 require 'tempfile'
 
@@ -5,10 +6,6 @@ module DTrace
   class TestCase < MiniTest::Unit::TestCase
     INCLUDE = File.expand_path(File.join(File.dirname(__FILE__), '..'))
 
-    def setup
-      skip "must be setuid 0 to run dtrace tests" unless Process.euid == 0
-    end
-
     def trap_probe d_program, ruby_program
       d = Tempfile.new('probe.d')
       d.write d_program
@@ -30,4 +27,4 @@ module DTrace
       yield(d_path, rb_path, probes)
     end
   end
-end
+end if Process.euid == 0 and (`dtrace -V` rescue false)

test/dtrace/test_array_create.rb

@@ -32,4 +32,4 @@ ruby$target:::#{type}-create
       eoprobe
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_function_entry.rb

@@ -55,4 +55,4 @@ ruby$target:::method-return
       eoruby
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_gc.rb

@@ -23,4 +23,4 @@ module DTrace
       "100000.times { Object.new }"
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_hash_create.rb

@@ -49,4 +49,4 @@ ruby$target:::hash-create
       eoprobe
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_load.rb

@@ -49,4 +49,4 @@ ruby$target:::load-return
       "10.times { load '#{@rbfile.path}' }"
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_object_create_start.rb

@@ -32,4 +32,4 @@ ruby$target:::object-create
       eoprobe
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_raise.rb

@@ -26,4 +26,4 @@ ruby$target:::raise
       '10.times { raise rescue nil }'
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_require.rb

@@ -31,4 +31,4 @@ ruby$target:::require-return
       "10.times { require 'dtrace/dummy' }"
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_singleton_function.rb

@@ -52,4 +52,4 @@ ruby$target:::method-return
       eoruby
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)

test/dtrace/test_string.rb

@@ -24,4 +24,4 @@ ruby$target:::string-create
       eoprobe
     end
   end
-end if (`dtrace -V` rescue false)
+end if defined?(DTrace::TestCase)