* lib/mkmf.rb (check_sizeof): should return integer always.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@30068 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/mkmf/base.rb

@@ -0,0 +1,37 @@
+require 'test/unit'
+require 'mkmf'
+require 'tmpdir'
+
+$extout = '$(topdir)/'+RbConfig::CONFIG["EXTOUT"]
+RbConfig::CONFIG['topdir'] = CONFIG['topdir'] = File.expand_path(CONFIG['topdir'])
+RbConfig::CONFIG["extout"] = CONFIG["extout"] = $extout
+$INCFLAGS << " -I."
+$extout_prefix = "$(extout)$(target_prefix)/"
+
+class TestMkmf < Test::Unit::TestCase
+  def setup
+    @tmpdir = Dir.mktmpdir
+    @curdir = Dir.pwd
+    @mkmfobj = Object.new
+    Dir.chdir(@tmpdir)
+    class << (@output = "")
+      def flush; end
+      def reopen(*) end
+      alias write <<
+    end
+    $stdout = @output
+  end
+
+  def teardown
+    $stdout = STDOUT
+    Dir.chdir(@curdir)
+    FileUtils.rm_rf(@tmpdir)
+  end
+
+  def mkmf(*args, &block)
+    @mkmfobj.instance_eval(*args, &block)
+  end
+
+  def default_test
+  end
+end

test/mkmf/test_find_executable.rb

@@ -0,0 +1,36 @@
+require File.join(File.dirname(__FILE__), 'base')
+
+class TestMkmf
+  class TestFindExecutable < TestMkmf
+    class F
+      def do_find_executable(name)
+        find_executable(name)
+      end
+    end
+
+    def test_find_executable
+      bug2669 = '[ruby-core:27912]'
+      path, ENV["PATH"] = ENV["PATH"], path
+      ENV["PATH"] = @tmpdir
+      f = F.new
+      name = "foobar#{$$}#{rand(1000)}"
+      if /mswin\d|mingw|cygwin/ =~ RUBY_PLATFORM
+        exts = %w[.exe .com .cmd .bat]
+      else
+        exts = [""]
+      end
+      exts.each do |ext|
+        full = name+ext
+        begin
+          open(full, "w") {|ff| ff.chmod(0755)}
+          result = f.do_find_executable(name)
+        ensure
+          File.unlink(full)
+        end
+        assert_equal("#{@tmpdir}/#{name}#{ext}", result, bug2669)
+      end
+    ensure
+      ENV["PATH"] = path
+    end
+  end
+end

test/mkmf/test_sizeof.rb

@@ -0,0 +1,18 @@
+require File.join(File.dirname(__FILE__), 'base')
+
+class TestMkmf
+  class TestSizeof < TestMkmf
+    def test_sizeof_builtin
+      %w[char short int long float double void*].each do |type|
+        assert_kind_of(Integer, mkmf {check_sizeof(type)})
+      end
+    end
+
+    def test_sizeof_struct
+      open("confdefs.h", "w") {|f|
+        f.puts "typedef struct {char x;} test1_t;"
+      }
+      assert_equal(1, mkmf {check_sizeof("test1_t", "confdefs.h")})
+    end
+  end
+end