From 30e0f51a5df6a207ebeec105317cbb4cb5566be6 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 10 Dec 2010 09:11:48 +0000
Subject: * lib/mkmf.rb (check_signedness): should use the prelude code.  
 [ruby-dev:42731]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/mkmf/base.rb            |  7 +++++++
 test/mkmf/test_signedness.rb | 27 +++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 test/mkmf/test_signedness.rb

(limited to 'test')

diff --git a/test/mkmf/base.rb b/test/mkmf/base.rb
index 4ceb35087a..f82952d0c5 100644
--- a/test/mkmf/base.rb
+++ b/test/mkmf/base.rb
@@ -13,6 +13,13 @@ class TestMkmf < Test::Unit::TestCase
   class << MKMFLOG
     alias to_s call
   end
+  def mkmflog(msg)
+    log = proc {MKMFLOG[] << msg}
+    class << log
+      alias to_s call
+    end
+    log
+  end
 
   def setup
     @tmpdir = Dir.mktmpdir
diff --git a/test/mkmf/test_signedness.rb b/test/mkmf/test_signedness.rb
new file mode 100644
index 0000000000..97fc1078d6
--- /dev/null
+++ b/test/mkmf/test_signedness.rb
@@ -0,0 +1,27 @@
+require_relative 'base'
+
+class TestMkmf
+  class TestSignedness < TestMkmf
+    def test_typeof_builtin
+      bug4144 = '[ruby-dev:42731]'
+      [["", "-1"], ["signed ", "-1"], ["unsigned ", "+1"]].each do |signed, expect|
+        %w[short int long].each do |type|
+          assert_equal(expect.to_i, mkmf {check_signedness(signed+type)}, mkmflog(bug4144))
+        end
+      end
+    end
+
+    def test_typeof_typedef
+      [["", "-1"], ["signed ", "-1"], ["unsigned ", "+1"]].each do |signed, expect|
+        %w[short int long].each do |type|
+          open("confdefs.h", "w") {|f|
+            f.puts "typedef #{signed}#{type} test1_t;"
+          }
+          $defs.clear
+          assert_equal(expect.to_i, mkmf {check_signedness("test1_t", "confdefs.h")}, MKMFLOG)
+          assert_includes($defs, "-DSIGNEDNESS_OF_TEST1_T=#{expect}")
+        end
+      end
+    end
+  end
+end
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