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# frozen_string_literal: false
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)
ensure
File.unlink("confdefs.h")
end
end
end
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