118 lines
2.7 KiB
Ruby
118 lines
2.7 KiB
Ruby
require 'test/unit'
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require 'tempfile'
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require 'ut_eof'
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class TestFile < Test::Unit::TestCase
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# I don't know Ruby's spec about "unlink-before-close" exactly.
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# This test asserts current behaviour.
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def test_unlink_before_close
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filename = File.basename(__FILE__) + ".#{$$}"
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w = File.open(filename, "w")
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w << "foo"
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w.close
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r = File.open(filename, "r")
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begin
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if /(mswin|bccwin|mingw|emx)/ =~ RUBY_PLATFORM
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assert_raise(Errno::EACCES) {File.unlink(filename)}
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else
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assert_nothing_raised {File.unlink(filename)}
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end
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ensure
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r.close
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File.unlink(filename) if File.exist?(filename)
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end
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end
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include TestEOF
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def open_file(content)
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f = Tempfile.new("test-eof")
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f << content
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f.rewind
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yield f
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end
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alias open_file_rw open_file
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include TestEOF::Seek
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def test_truncate_wbuf # [ruby-dev:24191]
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f = Tempfile.new("test-truncate")
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f.print "abc"
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f.truncate(0)
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f.print "def"
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f.close
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assert_equal("\0\0\0def", File.read(f.path))
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end
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def test_truncate_rbuf # [ruby-dev:24197]
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f = Tempfile.new("test-truncate")
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f.puts "abc"
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f.puts "def"
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f.close
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f.open
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assert_equal("abc\n", f.gets)
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f.truncate(3)
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assert_equal(nil, f.gets)
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end
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def test_truncate_beyond_eof
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f = Tempfile.new("test-truncate")
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f.print "abc"
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f.truncate 10
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assert_equal("\0" * 7, f.read(100), "[ruby-dev:24532]")
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end
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def test_read_all_extended_file
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f = Tempfile.new("test-extended-file")
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assert_nil(f.getc)
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open(f.path, "w") {|g| g.print "a" }
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assert_equal("a", f.read)
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end
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def test_gets_extended_file
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f = Tempfile.new("test-extended-file")
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assert_nil(f.getc)
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open(f.path, "w") {|g| g.print "a" }
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assert_equal("a", f.gets("a"))
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end
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def test_gets_para_extended_file
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f = Tempfile.new("test-extended-file")
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assert_nil(f.getc)
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open(f.path, "w") {|g| g.print "\na" }
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assert_equal("a", f.gets(""))
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end
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def test_each_byte_extended_file
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f = Tempfile.new("test-extended-file")
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assert_nil(f.getc)
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open(f.path, "w") {|g| g.print "a" }
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result = []
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f.each_byte {|b| result << b.chr }
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assert_equal([?a], result)
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end
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def test_getc_extended_file
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f = Tempfile.new("test-extended-file")
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assert_nil(f.getc)
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open(f.path, "w") {|g| g.print "a" }
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assert_equal(?a, f.getc)
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end
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def test_s_chown
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assert_nothing_raised { File.chown -1, -1 }
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assert_nothing_raised { File.chown nil, nil }
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end
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def test_chown
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assert_nothing_raised {
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File.open(__FILE__) {|f| f.chown -1, -1 }
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}
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# [ruby-dev:27140]
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assert_nothing_raised {
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File.open(__FILE__) {|f| f.chown nil, nil }
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}
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end
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end
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