tests/cond12.test

   1 #! /bin/sh
   2
   3 # Test behaviour of variable_conditions_reduce()
   4 # This checks the result of variable_conditions_reduce() for a wide variety
   5 # of cases.
   6
   7 . $srcdir/defs || exit 1
   8
   9 # FIXME: probably ought to let use override this like we do in `defs'.
  10 amfile=../../automake
  11
  12 head -n 1 $amfile >>automake_tmp
  13 cat << 'END' >> automake_tmp
  14 my $failed = 0;
  15 sub check_reduce($$) {
  16  my ($inref, $outref) = @_;
  17  my @result = sort &Automake::variable_conditions_reduce(@$inref);
  18  my $correct = 1;
  19  $correct = 0 if (join(",", @result) ne join(",", @$outref));
  20
  21  if (! $correct) {
  22    print '"'.join(",", @$inref) . '" => "' .
  23          join(",", @result) . '" expected "' .
  24          join(",", @$outref) . '"' . "\n";
  25    $failed = 1;
  26  }
  27 }
  28
  29 # If no conditions are given, TRUE should be returned
  30 check_reduce([""], ["TRUE"]);
  31 # A single condition should be passed through unchanged
  32 check_reduce(["FOO"], ["FOO"]);
  33 check_reduce(["FALSE"], ["FALSE"]);
  34 check_reduce(["TRUE"], ["TRUE"]);
  35
  36 # TRUE and false should be discarded and overwhelm the result, respectively
  37 check_reduce(["FOO", "TRUE"], ["FOO"]);
  38 check_reduce(["FOO", "FALSE"], ["FALSE"]);
  39
  40 # Repetitions should be removed
  41 check_reduce(["FOO", "FOO"], ["FOO"]);
  42 check_reduce(["TRUE", "FOO", "FOO"], ["FOO"]);
  43 check_reduce(["FOO", "TRUE", "FOO"], ["FOO"]);
  44 check_reduce(["FOO", "FOO", "TRUE"], ["FOO"]);
  45
  46 # Two different conditions should be preserved, but TRUEs should be removed
  47 check_reduce(["FOO", "BAR"], ["BAR,FOO"]);
  48 check_reduce(["TRUE", "FOO", "BAR"], ["BAR,FOO"]);
  49 check_reduce(["FOO", "TRUE", "BAR"], ["BAR,FOO"]);
  50 check_reduce(["FOO", "BAR", "TRUE"], ["BAR,FOO"]);
  51
  52 # A condition implied by another condition should be removed.
  53 check_reduce(["FOO BAR", "BAR"], ["FOO BAR"]);
  54 check_reduce(["BAR", "FOO BAR"], ["FOO BAR"]);
  55 check_reduce(["TRUE", "FOO BAR", "BAR"], ["FOO BAR"]);
  56 check_reduce(["FOO BAR", "TRUE", "BAR"], ["FOO BAR"]);
  57 check_reduce(["FOO BAR", "BAR", "TRUE"], ["FOO BAR"]);
  58
  59 check_reduce(["BAR FOO", "BAR"], ["BAR FOO"]);
  60 check_reduce(["BAR", "BAR FOO"], ["BAR FOO"]);
  61 check_reduce(["TRUE", "BAR FOO", "BAR"], ["BAR FOO"]);
  62 check_reduce(["BAR FOO", "TRUE", "BAR"], ["BAR FOO"]);
  63 check_reduce(["BAR FOO", "BAR", "TRUE"], ["BAR FOO"]);
  64
  65 # Check that reduction happens even when there are two conditionals to remove.
  66 check_reduce(["FOO", "FOO BAR", "BAR"], ["FOO BAR"]);
  67 check_reduce(["FOO", "FOO BAR", "BAZ", "FOO BAZ"], ["FOO BAR", "FOO BAZ"]);
  68 check_reduce(["FOO", "FOO BAR", "BAZ", "FOO BAZ", "FOO BAZ BAR"], ["FOO BAZ BAR"]);
  69
  70 # Duplicated condionals should be removed
  71 check_reduce(["FOO", "BAR", "BAR"], ["BAR,FOO"]);
  72
  73 # Equivalent conditionals in different forms should be reduced: which one is
  74 # left is unfortunately order dependent.
  75 check_reduce(["BAR FOO", "FOO BAR"], ["FOO BAR"]);
  76 check_reduce(["FOO BAR", "BAR FOO"], ["BAR FOO"]);
  77
  78 exit $failed;
  79 END
  80 cat $amfile >>automake_tmp
  81 chmod +x automake_tmp
  82
  83 ./automake_tmp