diff --git a/tests/Makefile.am b/tests/Makefile.am
index 811d7bd..bf2514c 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -2,7 +2,7 @@ DEFS = @DEFS@ -DDATADIR=\"$(top_srcdir)/data\" -DSRCDIR=\"$(srcdir)\"
 AM_CPPFLAGS = -I$(top_srcdir)/include
 LDADD = ../src/libpsl-@LIBPSL_API_VERSION@.la
 
-PSL_TESTS = test-is-public test-is-public-builtin
+PSL_TESTS = test-is-public test-is-public-builtin test-is-public-all
 
 check_PROGRAMS = $(PSL_TESTS)
 
diff --git a/tests/test-is-public-all.c b/tests/test-is-public-all.c
new file mode 100644
index 0000000..fb5ed6e
--- /dev/null
+++ b/tests/test-is-public-all.c
@@ -0,0 +1,144 @@
+/*
+ * 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 psl_is_public() for all entries in effective_tld_names.dat
+ *
+ * Changelog
+ * 19.03.2014  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 <ctype.h>
+
+#include <libpsl.h>
+
+#define countof(a) (sizeof(a)/sizeof(*(a)))
+
+static int
+	ok,
+	failed;
+
+static void test_psl(void)
+{
+	FILE *fp;
+	psl_ctx_t *psl;
+	unsigned it, result;
+	char buf[256], domain[64], *linep, *p;
+
+	if (psl_global_init() == 0) {
+		psl = psl_load_file(DATADIR "/effective_tld_names.dat");
+
+		printf("loaded %d suffixes and %d exceptions\n", psl_suffix_count(psl), psl_suffix_exception_count(psl));
+
+		if ((fp = fopen(DATADIR "/effective_tld_names.dat", "r"))) {
+			while ((linep = fgets(buf, sizeof(buf), fp))) {
+				while (isspace(*linep)) linep++; // ignore leading whitespace
+				if (!*linep) continue; // skip empty lines
+
+				if (*linep == '/' && linep[1] == '/')
+					continue; // skip comments
+
+				// parse suffix rule
+				for (p = linep; *linep && !isspace(*linep);) linep++;
+				*linep = 0;
+
+				if (*p == '!') { // an exception to a wildcard, e.g. !www.ck (wildcard is *.ck)
+					if (!(result = psl_is_public(psl, p + 1))) {
+						failed++;
+						printf("psl_is_public(%s)=%d (expected 1)\n", p, result);
+					} else ok++;
+
+					if ((result = psl_is_public(psl, strchr(p, '.') + 1))) {
+						failed++;
+						printf("psl_is_public(%s)=%d (expected 0)\n", strchr(p, '.') + 1, result);
+					} else ok++;
+				}
+				else if (*p == '*') { // a wildcard, e.g. *.ck
+					if ((result = psl_is_public(psl, p + 1))) {
+						failed++;
+						printf("psl_is_public(%s)=%d (expected 0)\n", p + 1, result);
+					} else ok++;
+
+					*p = 'x';
+					if ((result = psl_is_public(psl, p))) {
+						failed++;
+						printf("psl_is_public(%s)=%d (expected 0)\n", p, result);
+					} else ok++;
+				}
+				else {
+					if ((result = psl_is_public(psl, p))) {
+						failed++;
+						printf("psl_is_public(%s)=%d (expected 0)\n", p, result);
+					} else ok++;
+
+					snprintf(domain, sizeof(domain), "xxxx.%s", p);
+					if (!(result = psl_is_public(psl, domain))) {
+						failed++;
+						printf("psl_is_public(%s)=%d (expected 1)\n", domain, result);
+					} else ok++;
+				}
+			}
+
+			fclose(fp);
+		} else {
+			printf("Failed to open %s\n", DATADIR "/effective_tld_names.dat");
+			failed++;
+		}
+
+		psl_free(&psl);
+		psl_global_deinit();
+	} else
+		failed++;
+}
+
+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;
+}