1 files changed, 34 insertions, 0 deletions
diff --git a/jni/ruby/test/mkmf/test_convertible.rb b/jni/ruby/test/mkmf/test_convertible.rb
new file mode 100644
index 0000000..eec2d12
--- /dev/null
+++ b/jni/ruby/test/mkmf/test_convertible.rb
@@ -0,0 +1,34 @@
+require_relative 'base'
+
+class TestMkmf
+  class TestConvertible < TestMkmf
+    def test_typeof_builtin
+      ["", ["signed ", ""], "unsigned "].each do |signed, prefix|
+        %w[short int long].each do |type|
+          assert_equal((prefix || signed)+type,
+                       mkmf {convertible_int(signed+type)}, MKMFLOG)
+        end
+      end
+    end
+
+    def test_typeof_typedef
+      ["", ["signed ", ""], "unsigned "].each do |signed, prefix|
+        %w[short int long].each do |type|
+          open("confdefs.h", "w") {|f|
+            f.puts "typedef #{signed}#{type} test1_t;"
+          }
+          $defs.clear
+          assert_equal((prefix || signed)+type,
+                       mkmf {convertible_int("test1_t", "confdefs.h")}, MKMFLOG)
+          (u = signed[/^u/]) and u.upcase!
+          assert_include($defs, "-DTYPEOF_TEST1_T="+"#{prefix||signed}#{type}".quote)
+          assert_include($defs, "-DPRI_TEST1T_PREFIX=PRI_#{type.upcase}_PREFIX")
+          assert_include($defs, "-DTEST1T2NUM=#{u}#{type.upcase}2NUM")
+          assert_include($defs, "-DNUM2TEST1T=NUM2#{u}#{type.upcase}")
+        end
+      end
+    ensure
+      File.unlink("confdefs.h")
+    end
+  end
+end