ruby--ruby/test/mkmf/test_have_macro.rb

# frozen_string_literal: false
require_relative 'base'
require 'tempfile'

class TestMkmfHaveMacro < TestMkmf
  MACRO_NAME = "RUBY_MKMFTEST_FOOBAR"

  def test_have_macro_opt
    assert_equal(true, have_macro(MACRO_NAME, nil, "-D#{MACRO_NAME}"), MKMFLOG)
  end

  def test_have_macro_header
    Tempfile.create(%w"test_mkmf .h", ".") do |tmp|
      tmp.puts("#undef #{MACRO_NAME}")
      tmp.puts("#define #{MACRO_NAME} 1")
      tmp.close
      base = File.basename(tmp.path)
      assert_equal(true, have_macro(MACRO_NAME, base, "-I."), MKMFLOG)
    end
  end

  def test_not_have_macro_opt
    assert_equal(false, have_macro(MACRO_NAME, nil, "-U#{MACRO_NAME}"), MKMFLOG)
  end

  def test_not_have_macro_header
    Tempfile.create(%w"test_mkmf .h", ".") do |tmp|
      tmp.puts("#undef #{MACRO_NAME}")
      tmp.close
      base = File.basename(tmp.path)
      assert_equal(false, have_macro(MACRO_NAME, base, "-I."), MKMFLOG)
    end
  end
end