diff --git a/tests/Makefile.am b/tests/Makefile.am
index 637d995..b358ada 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -2,7 +2,8 @@ DEFS = @DEFS@ -DDATADIR=\"$(top_srcdir)/data\" -DSRCDIR=\"$(srcdir)\" -DPSL_FILE
 AM_CPPFLAGS = -I$(top_srcdir)/include
 LDADD = ../src/libpsl-@LIBPSL_API_VERSION@.la
 
-PSL_TESTS = test-is-public test-is-public-builtin test-is-public-all test-registrable-domain
+PSL_TESTS = test-is-public test-is-public-builtin test-is-public-all test-registrable-domain \
+   test-is-cookie-domain-acceptable
 
 check_PROGRAMS = $(PSL_TESTS)
 
diff --git a/tests/test-is-cookie-domain-acceptable.c b/tests/test-is-cookie-domain-acceptable.c
new file mode 100644
index 0000000..6abd273
--- /dev/null
+++ b/tests/test-is-cookie-domain-acceptable.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright(c) 2014 Tim Ruehsen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * This file is part of the test suite of libpsl.
+ *
+ * Test case for psl_is_cookie_doamin_acceptable()
+ *
+ * Changelog
+ * 15.04.2014  Tim Ruehsen  created from libmget/cookie.c
+ *
+ */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <libpsl.h>
+
+#define countof(a) (sizeof(a)/sizeof(*(a)))
+
+static int
+	ok,
+	failed;
+
+static void test_psl(void)
+{
+	// punycode generation: idn 商标
+	// octal code generation: echo -n "商标" | od -b
+	static const struct test_data {
+		const char
+			*request_domain,
+			*cookie_domain;
+		int
+			result;
+	} test_data[] = {
+		{ "www.dkg.forgot.his.name", "www.dkg.forgot.his.name", 1 },
+		{ "www.dkg.forgot.his.name", "dkg.forgot.his.name", 1 },
+		{ "www.dkg.forgot.his.name", "forgot.his.name", 0 },
+		{ "www.dkg.forgot.his.name", "his.name", 0 },
+		{ "www.dkg.forgot.his.name", "name", 0 },
+		{ "www.his.name", "www.his.name", 1 },
+		{ "www.his.name", "his.name", 1 },
+		{ "www.his.name", "name", 0 },
+		{ "www.example.com", "www.example.com", 1 },
+		{ "www.example.com", "example.com", 1 },
+		{ "www.example.com", "com", 0 }, // not accepted by normalization (PSL rule 'com')
+		{ "www.example.com", "example.org", 0 },
+		{ "www.sa.gov.au", "sa.gov.au", 0 }, // not accepted by normalization  (PSL rule '*.ar')
+		{ "www.educ.ar", "educ.ar", 1 }, // PSL exception rule '!educ.ar'
+	};
+	unsigned it;
+	psl_ctx_t *psl;
+
+	psl = psl_load_file(PSL_FILE);
+
+	printf("loaded %d suffixes and %d exceptions\n", psl_suffix_count(psl), psl_suffix_exception_count(psl));
+
+	for (it = 0; it < countof(test_data); it++) {
+		const struct test_data *t = &test_data[it];
+		int result = psl_is_cookie_domain_acceptable(psl, t->request_domain, t->cookie_domain);
+
+		if (result == t->result) {
+			ok++;
+		} else {
+			failed++;
+			printf("psl_is_cookie_domain_acceptable(%s, %s)=%d (expected %d)\n",
+				t->request_domain, t->cookie_domain, result, t->result);
+		}
+	}
+
+	psl_free(psl);
+}
+
+int main(int argc, const char * const *argv)
+{
+	// if VALGRIND testing is enabled, we have to call ourselves with valgrind checking
+	if (argc == 1) {
+		const char *valgrind = getenv("TESTS_VALGRIND");
+
+		if (valgrind && *valgrind) {
+			char cmd[strlen(valgrind)+strlen(argv[0])+32];
+
+			snprintf(cmd, sizeof(cmd), "TESTS_VALGRIND="" %s %s", valgrind, argv[0]);
+			return system(cmd) != 0;
+		}
+	}
+
+	test_psl();
+
+	if (failed) {
+		printf("Summary: %d out of %d tests failed\n", failed, ok + failed);
+		return 1;
+	}
+
+	printf("Summary: All %d tests passed\n", ok + failed);
+	return 0;
+}