require 'test/unit' require 'tempfile' require 'ut_eof' class TestFile < Test::Unit::TestCase # I don't know Ruby's spec about "unlink-before-close" exactly. # This test asserts current behaviour. def test_unlink_before_close filename = Dir.tmpdir + '/' + File.basename(__FILE__) + ".#{$$}" w = File.open(filename, "w") w << "foo" w.close r = File.open(filename, "r") begin if /(mswin|bccwin|mingw|emx)/ =~ RUBY_PLATFORM assert_raise(Errno::EACCES) {File.unlink(filename)} else assert_nothing_raised {File.unlink(filename)} end ensure r.close File.unlink(filename) if File.exist?(filename) end end include TestEOF def open_file(content) f = Tempfile.new("test-eof") f << content f.rewind yield f end alias open_file_rw open_file include TestEOF::Seek def test_truncate_wbuf # [ruby-dev:24191] f = Tempfile.new("test-truncate") f.print "abc" f.truncate(0) f.print "def" f.close assert_equal("\0\0\0def", File.read(f.path)) end def test_truncate_rbuf # [ruby-dev:24197] f = Tempfile.new("test-truncate") f.puts "abc" f.puts "def" f.close f.open assert_equal("abc\n", f.gets) 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.chr } 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 def test_s_chown assert_nothing_raised { File.chown -1, -1 } assert_nothing_raised { File.chown nil, nil } end def test_chown assert_nothing_raised { File.open(__FILE__) {|f| f.chown -1, -1 } } # [ruby-dev:27140] assert_nothing_raised { File.open(__FILE__) {|f| f.chown nil, nil } } end end