* test/ruby/test_io.rb (test_copy_stream, test_copy_stream_socket): skip some

tests if there isn't IO#nonblock=.
* test/ruby/test_io.rb (test_close_on_exec): skip if there isn't
  IO#close_on_exec=.
* test/ruby/test_io.rb (test_bytes, test_readbyte): depend on binmode.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19992 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_io.rb

@@ -8,6 +8,19 @@ require 'tempfile'
 require_relative 'envutil'
 
 class TestIO < Test::Unit::TestCase
+  def have_close_on_exec?
+    begin
+      $stdin.close_on_exec?
+      true
+    rescue NotImplementedError
+      false
+    end
+  end
+
+  def have_nonblock?
+    IO.instance_methods.index(:"nonblock=")
+  end
+
   def test_gets_rs
     # default_rs
     r, w = IO.pipe
@@ -236,6 +249,7 @@ class TestIO < Test::Unit::TestCase
         assert_equal(content[1,1], r.read)
       }
 
+      if have_nonblock?
         with_read_pipe("abc") {|r1|
           assert_equal("a", r1.getc)
           with_pipe {|r2, w2|
@@ -248,6 +262,7 @@ class TestIO < Test::Unit::TestCase
             assert_equal("a" * s + "bc", t.value)
           }
         }
+      end
 
       bigcontent = "abc" * 123456
       File.open("bigsrc", "w") {|f| f << bigcontent }
@@ -266,6 +281,7 @@ class TestIO < Test::Unit::TestCase
       assert_equal(bigcontent[100, 30000], File.read("bigdst"))
 
       File.open("bigsrc") {|f|
+        begin
           assert_equal(0, f.pos)
           ret = IO.copy_stream(f, "bigdst", nil, 10)
           assert_equal(bigcontent.bytesize-10, ret)
@@ -275,6 +291,9 @@ class TestIO < Test::Unit::TestCase
           assert_equal(40, ret)
           assert_equal(bigcontent[30, 40], File.read("bigdst"))
           assert_equal(0, f.pos)
+        rescue NotImplementedError
+          #skip "pread(2) is not implemtented."
+        end
       }
 
       with_pipe {|r, w|
@@ -285,6 +304,7 @@ class TestIO < Test::Unit::TestCase
       megacontent = "abc" * 1234567
       File.open("megasrc", "w") {|f| f << megacontent }
 
+      if have_nonblock?
         with_pipe {|r1, w1|
           with_pipe {|r2, w2|
             t1 = Thread.new { w1 << megacontent; w1.close }
@@ -298,6 +318,7 @@ class TestIO < Test::Unit::TestCase
             assert_equal(megacontent, t2.value)
           }
         }
+      end
 
       with_pipe {|r1, w1|
         with_pipe {|r2, w2|
@@ -323,6 +344,7 @@ class TestIO < Test::Unit::TestCase
 
   def test_copy_stream_rbuf
     mkcdtmpdir {
+      begin
         with_pipe {|r, w|
           File.open("foo", "w") {|f| f << "abcd" }
           File.open("foo") {|f|
@@ -332,6 +354,9 @@ class TestIO < Test::Unit::TestCase
           w.close
           assert_equal("bcd", r.read)
         }
+      rescue NotImplementedError
+        skip "pread(2) is not implemtented."
+      end
     }
   end
 
@@ -410,6 +435,7 @@ class TestIO < Test::Unit::TestCase
       megacontent = "abc" * 1234567
       File.open("megasrc", "w") {|f| f << megacontent }
 
+      if have_nonblock?
         with_socketpair {|s1, s2|
           t = Thread.new { s2.read }
           s1.nonblock = true
@@ -419,6 +445,7 @@ class TestIO < Test::Unit::TestCase
           result = t.value
           assert_equal(megacontent, result)
         }
+      end
     }
   end
 
@@ -874,6 +901,7 @@ class TestIO < Test::Unit::TestCase
 
   def test_bytes
     pipe(proc do |w|
+      w.binmode
       w.puts "foo"
       w.puts "bar"
       w.puts "baz"
@@ -904,11 +932,13 @@ class TestIO < Test::Unit::TestCase
 
   def test_readbyte
     pipe(proc do |w|
+      w.binmode
       w.puts "foo"
       w.puts "bar"
       w.puts "baz"
       w.close
     end, proc do |r|
+      r.binmode
       (%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
         assert_equal(c.ord, r.readbyte)
       end
@@ -931,7 +961,7 @@ class TestIO < Test::Unit::TestCase
   end
 
   def test_close_on_exec
-    # xxx
+    skip "IO\#close_on_exec is not implemented." unless have_close_on_exec?
     ruby do |f|
       assert_equal(false, f.close_on_exec?)
       f.close_on_exec = true