refine tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28534 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/io/console/test_io_console.rb

@@ -16,7 +16,27 @@ class TestIO_Console < Test::Unit::TestCase
     }
   end
 
+  def test_echo
+    PTY.open {|m, s|
+      assert(s.echo?)
+      m.print "a"
+      assert_equal("a", m.readpartial(10))
+    }
+  end
+
   def test_noecho
+    PTY.open {|m, s|
+      s.noecho {
+	assert(!s.echo?)
+	m.print "a"
+	sleep 0.1
+      }
+      m.print "b"
+      assert_equal("b", m.readpartial(10))
+    }
+  end
+
+  def test_noecho2
     PTY.open {|m, s|
       assert(s.echo?)
       m.print "a\n"
@@ -43,6 +63,18 @@ class TestIO_Console < Test::Unit::TestCase
   end
 
   def test_setecho
+    PTY.open {|m, s|
+      assert(s.echo?)
+      s.echo = false
+      m.print "a"
+      sleep 0.1
+      s.echo = true
+      m.print "b"
+      assert_equal("b", m.readpartial(10))
+    }
+  end
+
+  def test_setecho2
     PTY.open {|m, s|
       assert(s.echo?)
       m.print "a\n"
@@ -70,24 +102,43 @@ class TestIO_Console < Test::Unit::TestCase
 
   def test_iflush
     PTY.open {|m, s|
-      m.print "a\n"
-      sleep 0.1
+      m.print "a"
       s.iflush
-      sleep 0.1
       m.print "b\n"
-      sleep 0.1
-      assert_equal("a\r\nb\r\n", m.readpartial(10))
       assert_equal("b\n", s.readpartial(10))
     }
   end
 
   def test_oflush
     PTY.open {|m, s|
-      s.print "a\n"
-      s.oflush
-      s.print "b\n"
-      assert_equal("b\r\n", m.readpartial(10))
+      s.print "a"
+      s.oflush # oflush may be issued after "a" is already sent.
+      s.print "b"
+      assert_includes(["b", "ab"], m.readpartial(10))
     }
   end
 
+  def test_ioflush
+    PTY.open {|m, s|
+      m.print "a"
+      s.ioflush
+      m.print "b\n"
+      assert_equal("b\n", s.readpartial(10))
+    }
+  end
+
+  def test_ioflush2
+    PTY.open {|m, s|
+      s.print "a"
+      s.ioflush # ioflush may be issued after "a" is already sent.
+      s.print "b"
+      assert_includes(["b", "ab"], m.readpartial(10))
+    }
+  end
+
+  def test_winsize
+    PTY.open {|m, s|
+      assert_equal([0, 0], s.winsize)
+    }
+  end
 end