From 40fd465e821e08cd2a1d58c0fc490ff9e8abb095 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 12 May 2005 09:04:49 +0000
Subject: add tests for reading an extended file

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8441 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_file.rb | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_file.rb b/test/ruby/test_file.rb
index 1a12491fc2..5589e1236d 100644
--- a/test/ruby/test_file.rb
+++ b/test/ruby/test_file.rb
@@ -245,4 +245,49 @@ class TestFile < Test::Unit::TestCase
     f.truncate(3)
     assert_equal(nil, f.gets)
   end
+
+  def test_truncate_beyond_eof
+    f = Tempfile.new("test-truncate")
+    f.print "abc"
+    f.truncate 10
+    assert_equal("\0" * 7, f.read(100), "[ruby-dev:24532]")
+  end
+
+  def test_read_all_extended_file
+    f = Tempfile.new("test-extended-file")
+    assert_nil(f.getc)
+    open(f.path, "w") {|g| g.print "a" }
+    assert_equal("a", f.read)
+  end
+
+  def test_gets_extended_file
+    f = Tempfile.new("test-extended-file")
+    assert_nil(f.getc)
+    open(f.path, "w") {|g| g.print "a" }
+    assert_equal("a", f.gets("a"))
+  end
+
+  def test_gets_para_extended_file
+    f = Tempfile.new("test-extended-file")
+    assert_nil(f.getc)
+    open(f.path, "w") {|g| g.print "\na" }
+    assert_equal("a", f.gets(""))
+  end
+
+  def test_each_byte_extended_file
+    f = Tempfile.new("test-extended-file")
+    assert_nil(f.getc)
+    open(f.path, "w") {|g| g.print "a" }
+    result = []
+    f.each_byte {|b| result << b }
+    assert_equal([?a], result)
+  end
+
+  def test_getc_extended_file
+    f = Tempfile.new("test-extended-file")
+    assert_nil(f.getc)
+    open(f.path, "w") {|g| g.print "a" }
+    assert_equal(?a, f.getc)
+  end
+
 end
-- 
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