# frozen_string_literal: false
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("", f.read(0))
      assert_equal("", f.read(0))
    }
    open_file("") {|f|
      assert_nil(f.read(1))
      assert_equal("", f.read)
      assert_nil(f.read(1))
    }
    open_file("") {|f|
      s = "x"
      assert_equal("", f.read(nil, s))
      assert_equal("", s)
    }
    open_file("") {|f|
      s = "x"
      assert_nil(f.read(10, s))
      assert_equal("", s)
    }
  end

  def test_eof_0_rw
    return unless respond_to? :open_file_rw
    open_file_rw("") {|f|
      assert_equal("", f.read)
      assert_equal("", f.read)
      assert_equal(0, f.syswrite(""))
      assert_equal("", f.read)
    }
  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("", f.read(0))
      assert_equal("", f.read(0))
    }
    open_file("a") {|f|
      assert_equal("a", f.read(1))
      assert_nil(f.read(1))
    }
    open_file("a") {|f|
      assert_equal("a", f.read(2))
      assert_nil(f.read(1))
      assert_equal("", f.read)
      assert_nil(f.read(1))
    }
    open_file("a") {|f|
      assert_equal("a", f.read)
      assert_nil(f.read(1))
      assert_equal("", f.read)
      assert_nil(f.read(1))
    }
    open_file("a") {|f|
      assert_equal("a", f.read(2))
      assert_equal("", f.read)
      assert_equal("", f.read)
    }
    open_file("a") {|f|
      assert_equal("a", f.read)
      assert_equal("", f.read(0))
    }
    open_file("a") {|f|
      s = "x"
      assert_equal("a", f.read(nil, s))
      assert_equal("a", s)
    }
    open_file("a") {|f|
      s = "x"
      assert_equal("a", f.read(10, s))
      assert_equal("a", s)
    }
  end

  def test_eof_2
    open_file("") {|f|
      assert_equal("", f.read)
      assert_predicate(f, :eof?)
    }
  end

  def test_eof_3
    open_file("") {|f|
      assert_predicate(f, :eof?)
    }
  end

  module Seek
    def open_file_seek(content, pos)
      open_file(content) do |f|
        f.seek(pos)
        yield f
      end
    end

    def test_eof_0_seek
      open_file_seek("", 10) {|f|
        assert_equal(10, f.pos)
        assert_equal("", f.read(0))
        assert_equal("", f.read)
        assert_equal("", f.read(0))
        assert_equal("", f.read)
      }
    end

    def test_eof_1_seek
      open_file_seek("a", 10) {|f|
        assert_equal("", f.read)
        assert_equal("", f.read)
      }
      open_file_seek("a", 1) {|f|
        assert_equal("", f.read)
        assert_equal("", f.read)
      }
    end
  end
end
>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/ruby.git/log/?h=v1_8_6_229&amp;id=3df0e54b3b75e8e3625eae8ddb3934504153a9db'>root</a>/<a href='/ruby.git/log/vm_method.c?h=v1_8_6_229&amp;id=3df0e54b3b75e8e3625eae8ddb3934504153a9db'>vm_method.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/ruby.git/log/vm_method.c?h=v1_8_6_229&amp;id=3df0e54b3b75e8e3625eae8ddb3934504153a9db&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2015-02-19 08:04:54 +0000'>2015-02-19</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=23c98e52a4f3d119aa589a46e352d205f146916b'>merge revision(s) 49222:</a></td><td>naruse</td></tr>
<tr><td><span title='2015-02-19 07:19:33 +0000'>2015-02-19</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=c42cf2358c791e43afbb2ef8574c1de62daab9dc'>merge revision(s) 49480,49493: [Backport #10765]</a></td><td>naruse</td></tr>
<tr><td><span title='2015-01-26 06:36:50 +0000'>2015-01-26</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=353dce4aa19198c8b64464d5b67a452eb453c5fd'>merge revision(s) 49322: [Backport #10753]</a></td><td>naruse</td></tr>
<tr><td><span title='2015-01-19 06:46:29 +0000'>2015-01-19</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=4949acb2a1416fbc847961bc3b90ffd1705c7565'>merge revision(s) 49184: [Backport #10707]</a></td><td>naruse</td></tr>
<tr><td><span title='2015-01-17 15:53:53 +0000'>2015-01-17</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=38921417228bcf683ed5e9aee12765a1dc19be0c'>merge revision(s) 49221: [Backport #10731]</a></td><td>naruse</td></tr>
<tr><td><span title='2015-01-17 07:36:38 +0000'>2015-01-17</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=2ca46bfc9d7ee33e940e5fa885ec59a6e0b22298'>merge revision(s) 49182,49183: [Backport #10706]</a></td><td>naruse</td></tr>
<tr><td><span title='2014-11-25 18:58:05 +0000'>2014-11-25</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=91e2cd34d4a8f8bd624a7fcd25c34239c8e3b319'>vm_method.c: preserve encodings</a></td><td>nobu</td></tr>
<tr><td><span title='2014-11-25 18:44:12 +0000'>2014-11-25</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=f2fc80cebeafdb0c8e354b31825f192c7d40825e'>vm_method.c: preserve encodings</a></td><td>nobu</td></tr>
<tr><td><span title='2014-11-05 08:20:31 +0000'>2014-11-05</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=4b8cb23a365f4d8dafc51a3b92e2b99c38a18623'>intern.h: deprecate disable and enable super</a></td><td>nobu</td></tr>
<tr><td><span title='2014-10-23 16:02:46 +0000'>2014-10-23</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=2c8db2c24cea3478664395ca62563ed22227eae6'>vm_method.c: get rid of cache</a></td><td>nobu</td></tr>
<tr><td><span title='2014-10-23 10:13:29 +0000'>2014-10-23</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=8dc89b34c16373e67e2dad5ed6c1aea5aa48bf82'>vm_method.c: no redefinition warnings for undefined methods</a></td><td>nobu</td></tr>
<tr><td><span title='2014-09-18 00:36:37 +0000'>2014-09-18</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=4cd2a4d74aa8f4ecb742208b0d083ff2417d8858'>vm_method.c: configurable global method cache size</a></td><td>nobu</td></tr>
<tr><td><span title='2014-09-17 00:54:10 +0000'>2014-09-17</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=f2f81900ce298b54b88625bbd64ae9f19f775c95'>vm_method.c: single expression</a></td><td>nobu</td></tr>
<tr><td><span title='2014-09-12 08:13:28 +0000'>2014-09-12</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=b41909f603dce3c8f48d49514c50d6813a1ca491'>vm_method.c: should not modify frozen objects</a></td><td>nobu</td></tr>
<tr><td><span title='2014-08-12 01:17:17 +0000'>2014-08-12</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=5ab146166e7933464c41b254fe2d855bdafaf9b2'>vm_method.c (release_method_definition): use rb_free_method_entry</a></td><td>normal</td></tr>
<tr><td><span title='2014-07-30 12:36:34 +0000'>2014-07-30</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=00b040b8d584e6c234437d36ab17c0b714b9a893'>thread.c, vm_method.c: avoid inadvertent pin-down</a></td><td>nobu</td></tr>
<tr><td><span title='2014-07-09 06:14:41 +0000'>2014-07-09</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=76a929a7fca3c84630574e4daa9dab7a96b04fc8'>* parse.y: change Symbol &lt;-&gt; ID relationship to avoid</a></td><td>ko1</td></tr>
<tr><td><span title='2014-06-18 06:16:39 +0000'>2014-06-18</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=e99ee55abcdbd3057f5ef7d4ef6692457815afaa'>constify parameters</a></td><td>nobu</td></tr>
<tr><td><span title='2014-06-16 08:03:42 +0000'>2014-06-16</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=3a206c91247dc85ab2f9d08875757347812214de'>vm_method.c: no RTEST on mere flag</a></td><td>nobu</td></tr>
<tr><td><span title='2014-06-15 13:21:21 +0000'>2014-06-15</span></td><td><a href='/ruby.git/commit/vm_method.c?h=v1_8_6_229&amp;id=800c7af73ccae7ef862674f682d1d82ba2149379'>vm_method.c: separate ID selection</a></td><td>nobu</td></tr>