tools/testing/selftests/damon/debugfs_attrs.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 test_write_result() {
   5         file=$1
   6         content=$2
   7         orig_content=$3
   8         expect_reason=$4
   9         expected=$5
  10
  11         echo "$content" > "$file"
  12         if [ $? -ne "$expected" ]
  13         then
  14                 echo "writing $content to $file doesn't return $expected"
  15                 echo "expected because: $expect_reason"
  16                 echo "$orig_content" > "$file"
  17                 exit 1
  18         fi
  19 }
  20
  21 test_write_succ() {
  22         test_write_result "$1" "$2" "$3" "$4" 0
  23 }
  24
  25 test_write_fail() {
  26         test_write_result "$1" "$2" "$3" "$4" 1
  27 }
  28
  29 test_content() {
  30         file=$1
  31         orig_content=$2
  32         expected=$3
  33         expect_reason=$4
  34
  35         content=$(cat "$file")
  36         if [ "$content" != "$expected" ]
  37         then
  38                 echo "reading $file expected $expected but $content"
  39                 echo "expected because: $expect_reason"
  40                 echo "$orig_content" > "$file"
  41                 exit 1
  42         fi
  43 }
  44
  45 source ./_chk_dependency.sh
  46
  47 # Test attrs file
  48 # ===============
  49
  50 file="$DBGFS/attrs"
  51 orig_content=$(cat "$file")
  52
  53 test_write_succ "$file" "1 2 3 4 5" "$orig_content" "valid input"
  54 test_write_fail "$file" "1 2 3 4" "$orig_content" "no enough fields"
  55 test_write_fail "$file" "1 2 3 5 4" "$orig_content" \
  56         "min_nr_regions > max_nr_regions"
  57 test_content "$file" "$orig_content" "1 2 3 4 5" "successfully written"
  58 echo "$orig_content" > "$file"
  59
  60 # Test target_ids file
  61 # ====================
  62
  63 file="$DBGFS/target_ids"
  64 orig_content=$(cat "$file")
  65
  66 test_write_succ "$file" "1 2 3 4" "$orig_content" "valid input"
  67 test_write_succ "$file" "1 2 abc 4" "$orig_content" "still valid input"
  68 test_content "$file" "$orig_content" "1 2" "non-integer was there"
  69 test_write_succ "$file" "abc 2 3" "$orig_content" "the file allows wrong input"
  70 test_content "$file" "$orig_content" "" "wrong input written"
  71 test_write_succ "$file" "" "$orig_content" "empty input"
  72 test_content "$file" "$orig_content" "" "empty input written"
  73 echo "$orig_content" > "$file"
  74
  75 echo "PASS"