diff options
Diffstat (limited to 'jni/ruby/test/mkmf/test_constant.rb')
-rw-r--r-- | jni/ruby/test/mkmf/test_constant.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/jni/ruby/test/mkmf/test_constant.rb b/jni/ruby/test/mkmf/test_constant.rb new file mode 100644 index 0000000..fd1f940 --- /dev/null +++ b/jni/ruby/test/mkmf/test_constant.rb @@ -0,0 +1,37 @@ +require_relative 'base' + +class TestMkmf + class TestTryConstant < TestMkmf + def test_simple + assert_equal( 0, mkmf {try_constant("0")}, MKMFLOG) + assert_equal( 1, mkmf {try_constant("1")}, MKMFLOG) + assert_equal(-1, mkmf {try_constant("-1")}, MKMFLOG) + end + + def test_sizeof + assert_equal(config_value("SIZEOF_INT").to_i, mkmf {try_constant("sizeof(int)")}, MKMFLOG) + assert_equal(config_value("SIZEOF_LONG").to_i, mkmf {try_constant("sizeof(long)")}, MKMFLOG) + assert_equal(config_value("SIZEOF_VOIDP").to_i, mkmf {try_constant("sizeof(void*)")}, MKMFLOG) + assert_equal(config_value("SIZEOF_VALUE").to_i, mkmf {try_constant("sizeof(Qnil)")}, MKMFLOG) + end + + def test_long + sizeof_int = config_value("SIZEOF_INT").to_i + sizeof_long = config_value("SIZEOF_LONG").to_i + if sizeof_long > sizeof_int + type = 'long' + else + sizeof_long_long = config_value("SIZEOF_LONG_LONG").to_i + return if !sizeof_long_long or sizeof_long_long <= sizeof_int + type = 'LONG_LONG' + end + + decl = "#define CONFTEST_VALUE (unsigned #{type})(((unsigned #{type})1)<<(CHAR_BIT*sizeof(int)))" + assert_operator(mkmf {try_constant("CONFTEST_VALUE", [[decl]])}, :>, 0, MKMFLOG) + end + + def test_large_unsigned + assert_operator(mkmf {try_constant("1U<<(CHAR_BIT*sizeof(int)-1)")}, :>, 0, MKMFLOG) + end + end +end |