require_relative 'base' class TestMkmf class TestSizeof < TestMkmf def setup super @sizeof_short = config_value("SIZEOF_SHORT").to_i @sizeof_int = config_value("SIZEOF_INT").to_i @sizeof_long = config_value("SIZEOF_LONG").to_i @sizeof_long_long = config_value("SIZEOF_LONG_LONG").to_i @sizeof___int64 = config_value("SIZEOF___INT64").to_i end def test_sizeof_builtin %w[char short int long float double void*].each do |type| assert_kind_of(Integer, mkmf {check_sizeof(type)}, MKMFLOG) end assert_operator(@sizeof_short, :<=, @sizeof_int) assert_operator(@sizeof_int, :<=, @sizeof_long) assert_operator(@sizeof_long, :<=, @sizeof_long_long) unless @sizeof_long_long.zero? assert_equal(8, @sizeof___int64) unless @sizeof___int64.zero? end def test_sizeof_struct open("confdefs.h", "w") {|f| f.puts "typedef struct {char x;} test1_t;" } assert_equal(1, mkmf {check_sizeof("test1_t", "confdefs.h")}, MKMFLOG) open("confdefs.h", "w") {|f| f.puts "typedef struct {char x, y;} test1_t;" } assert_equal(2, mkmf {check_sizeof("test1_t", "confdefs.h")}, MKMFLOG) open("confdefs.h", "w") {|f| f.puts "typedef struct {int x;} test1_t;" } assert_equal(@sizeof_int, mkmf {check_sizeof("test1_t", "confdefs.h")}, MKMFLOG) open("confdefs.h", "w") {|f| f.puts "typedef struct {int x, y;} test1_t;" } assert_equal(2 * @sizeof_int, mkmf {check_sizeof("test1_t", "confdefs.h")}, MKMFLOG) end end end