tests/coverage.sh

   1 #!/bin/sh
   2
   3 # PSPP - a program for statistical analysis.
   4 # Copyright (C) 2017 Free Software Foundation, Inc.
   5 #
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 # This little script can be used in conjunction with gcov to see how well
  21 # the regression test suite is covering the PSPP code.
  22 #
  23 # To use it:
  24 #
  25 # make distclean
  26 # CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
  27 # export CFLAGS
  28 # ./configure
  29 # make check
  30 # tests/coverage.sh
  31
  32 TEMPDIR=/tmp/pspp-cov-$$
  33 export TEMPDIR
  34
  35 mkdir -p $TEMPDIR
  36
  37 files=`find src -name '*.c'`
  38
  39 summary_file="$TEMPDIR/coverage.txt"
  40 export summary_file
  41
  42 rm -f $summary_file
  43
  44 for f in $files ; do
  45         dir=`dirname $f`
  46         gcov -p -l -n -o $dir $f  | grep -v '^Creat' >> $summary_file
  47 done
  48
  49 cat  > "$TEMPDIR/cov.sps" << EOF
  50 DATA LIST  FREE  FILE='$summary_file' /COVERAGE (PCT8) d1 (a2) lines *  d2 (a10) d3 (a10) d4 (a10) d5 (a10) file (a25).
  51
  52
  53 AGGREGATE OUTFILE=*
  54         /BREAK=file
  55         /COVERAGE=MIN(COVERAGE).
  56
  57 SORT CASES BY COVERAGE.
  58
  59 LIST /COVERAGE file.
  60
  61 FREQUENCIES /COVERAGE
  62   /HISTOGRAM
  63   /PERCENTILES=25,50,75,90.
  64
  65 EOF
  66
  67 src/pspp -o pspp.html $TEMPDIR/cov.sps
  68
  69 rm -rf $TEMPDIR