ruby--ruby/test/mkmf/test_flags.rb

# frozen_string_literal: false
require_relative 'base'

class TestMkmfFlags < TestMkmf
  def test_valid_warnflags
    val = $extmk
    warnflags = $warnflags
    makefile = mkmf do
      $extmk = false
      self.class::CONFIG['warnflags'] = %w"-Wextra
      -Wno-unused-parameter -Wno-parentheses -Wno-long-long
      -Wno-missing-field-initializers -Werror=pointer-arith
      -Werror=write-strings -Werror=declaration-after-statement
      -Werror=shorten-64-to-32
      -Werror-implicit-function-declaration
      ".join(' ')
      self.class::CONFIG['GCC'] = 'yes'
      init_mkmf(self.class::CONFIG)
      configuration '.'
    end
    generated_flags = makefile.grep(/warnflags/).first[/^warnflags = (.*)$/, 1].split

    assert_equal %w"
    -Wextra -Wno-unused-parameter -Wno-parentheses
    -Wno-long-long -Wno-missing-field-initializers -Wpointer-arith
    -Wwrite-strings -Wdeclaration-after-statement
    -Wshorten-64-to-32 -Werror-implicit-function-declaration
    ", generated_flags

  ensure
    $warnflags = warnflags
    $extmk = val
  end

  def test_try_ldflag_invalid_opt
    assert_separately([], <<-'end;') #do
      assert(!try_ldflags("nosuch.c"), TestMkmf::MKMFLOG)
      assert(have_devel?, TestMkmf::MKMFLOG)
    end;
  end

  def test_try_cflag_invalid_opt
    assert_separately([], <<-'end;', timeout: 30) #do
      assert(!try_cflags("nosuch.c"), TestMkmf::MKMFLOG)
      assert(have_devel?, TestMkmf::MKMFLOG)
    end;
  end

  def test_try_cppflag_invalid_opt
    assert_separately([], <<-'end;') #do
      assert(!try_cppflags("nosuch.c"), TestMkmf::MKMFLOG)
      assert(have_devel?, TestMkmf::MKMFLOG)
    end;
  end
end