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-rw-r--r--test/mkmf/test_constant.rb18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/mkmf/test_constant.rb b/test/mkmf/test_constant.rb
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index 0000000..bf5ff8c
--- /dev/null
+++ b/test/mkmf/test_constant.rb
@@ -0,0 +1,18 @@
+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
+ end
+end