36 lines
977 B
FortranFixed
36 lines
977 B
FortranFixed
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!{ dg-do run }
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! PR26464 File I/O error related to buffering and BACKSPACE
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! Test case derived from case by Dale Ranta.
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! Submitted by Jerry DeLisle <jvdelisle@gcc.gnu.org>
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program test
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integer,parameter :: datasize = 1000
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dimension idata(datasize)
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idata = -42
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open (11, status="scratch", form="unformatted")
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idata(1) = -1
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idata( datasize) = -2
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write(11)idata
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idata(1) = -2
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idata( datasize) = -3
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write(11)idata
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idata(1) = -3
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idata( datasize) = -4
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write(11)idata
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idata(1) = -4
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idata( datasize) = -5
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write(11)idata
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read(11,end= 1000 )idata
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call abort()
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1000 continue
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backspace 11
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backspace 11
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backspace 11
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read(11,end= 1001 )idata
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if(idata(1).ne.-3 .or. idata(datasize).ne.-4) call abort()
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stop
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1001 continue
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call abort()
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1010 stop
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end
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