tests/test-depmod/05loop.sh

   1 #! /bin/sh
   2 # Loop detection test.
   3
   4 for ENDIAN in -le -be; do
   5 for BITNESS in 32 64; do
   6
   7 rm -rf tests/tmp/*
   8
   9 # Create inputs
  10 MODULE_DIR=tests/tmp/lib/modules/$MODTEST_UNAME
  11 mkdir -p $MODULE_DIR
  12 ln tests/data/$BITNESS$ENDIAN/loop/loop1-$BITNESS.ko \
  13    tests/data/$BITNESS$ENDIAN/loop/loop2-$BITNESS.ko \
  14    tests/data/$BITNESS$ENDIAN/loop/loop_dep-$BITNESS.ko \
  15    $MODULE_DIR
  16
  17 # Expect no normal output.
  18 [ "`depmod 2>tests/tmp/stderr`" = "" ]
  19
  20 # Check results: expect 0 lines (all have loops).
  21 [ `grep -vc '^#' < $MODULE_DIR/modules.dep` = 0 ]
  22
  23 # Now, we should have only one error report, for loop1, and 3
  24 # warnings.
  25 [ `grep -vc '^#' < tests/tmp/stderr` = 4 ]
  26
  27 [ "`grep -w /lib/modules/$MODTEST_UNAME/loop1-$BITNESS.ko\ ignored tests/tmp/stderr`" = "WARNING: Module /lib/modules/$MODTEST_UNAME/loop1-$BITNESS.ko ignored, due to loop" ]
  28 [ "`grep -w /lib/modules/$MODTEST_UNAME/loop2-$BITNESS.ko tests/tmp/stderr`" = "WARNING: Module /lib/modules/$MODTEST_UNAME/loop2-$BITNESS.ko ignored, due to loop" ]
  29 [ "`grep -w /lib/modules/$MODTEST_UNAME/loop_dep-$BITNESS.ko tests/tmp/stderr`" = "WARNING: Module /lib/modules/$MODTEST_UNAME/loop_dep-$BITNESS.ko ignored, due to loop" ]
  30 [ "`grep -w detected tests/tmp/stderr`" = "WARNING: Loop detected: /lib/modules/$MODTEST_UNAME/loop1-$BITNESS.ko needs loop2-$BITNESS.ko which needs loop1-$BITNESS.ko again!" ]
  31
  32 done
  33 done