From bf625b1809e01a8fe505f5a344149e8df8e3795e Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 5 Dec 2003 02:54:48 +0000
Subject: * ext/stringio/stringio.c (strio_read): follow IO#read.

* test/ruby/ut_eof.rb, test/ruby/test_file.rb, test/ruby/test_pipe.rb,
  test/stringio/test_stringio.rb: add EOF test.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@5115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/ut_eof.rb | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 test/ruby/ut_eof.rb

(limited to 'test/ruby/ut_eof.rb')

diff --git a/test/ruby/ut_eof.rb b/test/ruby/ut_eof.rb
new file mode 100644
index 000000000..d1ad9a5fe
--- /dev/null
+++ b/test/ruby/ut_eof.rb
@@ -0,0 +1,46 @@
+require 'test/unit'
+
+module TestEOF
+  def test_eof_0
+    open_file("") {|f|
+      assert_equal("", f.read(0))
+      assert_equal("", f.read(0))
+      assert_equal("", f.read)
+      assert_equal(nil, f.read(0))
+      assert_equal(nil, f.read(0))
+    }
+    open_file("") {|f|
+      assert_equal(nil, f.read(1))
+      assert_equal(nil, f.read)
+      assert_equal(nil, f.read(1))
+    }
+  end
+
+  def test_eof_1
+    open_file("a") {|f|
+      assert_equal("", f.read(0))
+      assert_equal("a", f.read(1))
+      assert_equal("" , f.read(0))
+      assert_equal("" , f.read(0))
+      assert_equal("", f.read)
+      assert_equal(nil, f.read(0))
+      assert_equal(nil, f.read(0))
+    }
+    open_file("a") {|f|
+      assert_equal("a", f.read(1))
+      assert_equal(nil, f.read(1))
+    }
+    open_file("a") {|f|
+      assert_equal("a", f.read(2))
+      assert_equal(nil, f.read(1))
+      assert_equal(nil, f.read)
+      assert_equal(nil, f.read(1))
+    }
+    open_file("a") {|f|
+      assert_equal("a", f.read)
+      assert_equal(nil, f.read(1))
+      assert_equal(nil, f.read)
+      assert_equal(nil, f.read(1))
+    }
+  end
+end
-- 
cgit