1 files changed, 55 insertions, 0 deletions
diff --git a/jni/ruby/test/mkmf/test_have_library.rb b/jni/ruby/test/mkmf/test_have_library.rb
new file mode 100644
index 0000000..bf17b85
--- /dev/null
+++ b/jni/ruby/test/mkmf/test_have_library.rb
@@ -0,0 +1,55 @@
+require_relative 'base'
+require 'tempfile'
+
+class TestMkmf
+  class TestHaveLibrary < TestMkmf
+    LIBRARY_NAME = 'mkmftest'
+    HEADER_NAME = "#{LIBRARY_NAME}.h"
+    FUNC_NAME = 'ruby_mkmftest_foo'
+    ARPREFIX = config_string('LIBRUBY_A') {|lib| lib[/\A\w+/]}
+
+    def create_library(libname = LIBRARY_NAME)
+      lib = "#{ARPREFIX}#{libname}.#{$LIBEXT}"
+      open(HEADER_NAME, "w") do |hdr|
+        hdr.puts "void #{FUNC_NAME}(void);"
+        hdr.puts "void #{FUNC_NAME}_fake(void);"
+      end
+      create_tmpsrc("#include \"#{HEADER_NAME}\"\n""void #{FUNC_NAME}(void) {}")
+      assert(xsystem(cc_command), "compile failed: #{cc_command}")
+      command = "#{CONFIG['AR']} #{config_string('ARFLAGS') || 'cru '}#{lib} #{CONFTEST}.#{$OBJEXT}"
+      assert(xsystem(command), "making library failed: #{command}")
+      File.unlink("#{CONFTEST}.#{$OBJEXT}")
+      config_string('RANLIB') do |ranlib|
+        command = "#{ranlib} #{lib}"
+        assert(xsystem(command), "ranlib failed: #{command}")
+      end
+    end
+
+    def assert_have_library(*args)
+      assert_equal(true, have_library(LIBRARY_NAME, *args), MKMFLOG)
+    end
+
+    def assert_not_have_library(*args)
+      assert_equal(false, have_library(LIBRARY_NAME, *args), MKMFLOG)
+    end
+
+    def test_have_library
+      create_library
+      assert_have_library
+    end
+
+    def test_have_library_with_name
+      create_library
+      assert_have_library(FUNC_NAME, HEADER_NAME)
+    end
+
+    def test_not_have_library
+      assert_not_have_library
+    end
+
+    def test_not_have_library_with_name
+      create_library
+      assert_not_have_library("#{FUNC_NAME}_fake", HEADER_NAME)
+    end
+  end
+end