test/mkmf/test_signedness.rb

   1 # frozen_string_literal: false
   2 require_relative 'base'
   3
   4 class TestMkmf
   5   class TestSignedness < TestMkmf
   6     def test_typeof_builtin
   7       bug4144 = '[ruby-dev:42731]'
   8       [["", "-1"], ["signed ", "-1"], ["unsigned ", "+1"]].each do |signed, expect|
   9         %w[short int long].each do |type|
  10           assert_equal(expect.to_i, mkmf {check_signedness(signed+type)}, mkmflog(bug4144))
  11         end
  12       end
  13     end
  14
  15     def test_typeof_typedef
  16       [["", "-1"], ["signed ", "-1"], ["unsigned ", "+1"]].each do |signed, expect|
  17         %w[short int long].each do |type|
  18           open("confdefs.h", "w") {|f|
  19             f.puts "typedef #{signed}#{type} test1_t;"
  20           }
  21           $defs.clear
  22           assert_equal(expect.to_i, mkmf {check_signedness("test1_t", "confdefs.h")}, MKMFLOG)
  23           assert_include($defs, "-DSIGNEDNESS_OF_TEST1_T=#{expect}")
  24         end
  25       end
  26     ensure
  27       File.unlink("confdefs.h")
  28     end
  29   end
  30 end