summaryrefslogtreecommitdiff
path: root/test
diff options
context:
space:
mode:
authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-01-23 07:18:01 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-01-23 07:18:01 +0000
commit5d223fabb78ea5718eb3931f0d84a6d3df6fa014 (patch)
tree8499dfe227311505ea759becb75a3b9abe6d1e0e /test
parente8c229510eefb3ba2a195493119cee859f1b7634 (diff)
mkmf.rb: larger constants
* lib/mkmf.rb (MakeMakefile#try_constant): fix for larger constants. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38907 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r--test/mkmf/test_constant.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/mkmf/test_constant.rb b/test/mkmf/test_constant.rb
index bf5ff8c..6628f7f 100644
--- a/test/mkmf/test_constant.rb
+++ b/test/mkmf/test_constant.rb
@@ -14,5 +14,20 @@ class TestMkmf
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
end
end