Backport #6487 ยป bad_bom.patch
| test/ruby/test_file.rb | ||
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include TestEOF::Seek
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def test_empty_file_bom
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f = Tempfile.new(__method__.to_s)
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assert File.exists? f.path
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assert_equal '', File.open(f.path, 'r:utf-8') { |f| f.read }
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assert_equal '', File.open(f.path, 'r:bom|utf-8') { |f| f.read }
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f.close(true)
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end
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def test_bad_bom_8
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f = Tempfile.new(__method__.to_s)
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f.sync = true
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[0xEF, 0xBB].each do |x|
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f.write x.chr
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assert File.new(f.path, 'r:bom|utf-8').close
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end
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f.close(true)
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end
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def test_bad_bom_16
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f = Tempfile.new(__method__.to_s)
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f.sync = true
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[0xFE].each do |x|
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f.write x.chr
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assert File.new(f.path, 'r:bom|utf-8').close
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end
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f.close(true)
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end
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def test_bad_bom_32le
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f = Tempfile.new(__method__.to_s)
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f.sync = true
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[0xFF, 0xFE, 0].each do |x|
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f.write x.chr
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assert File.new(f.path, 'r:bom|utf-8').close
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end
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f.close(true)
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end
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def test_bad_bom_32be
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f = Tempfile.new(__method__.to_s)
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f.sync = true
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[0x0, 0xFE].each do |x|
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f.write x.chr
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assert File.new(f.path, 'r:bom|utf-8').close
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end
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f.close(true)
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end
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def test_truncate_wbuf
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f = Tempfile.new("test-truncate")
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f.print "abc"
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