Adding upstream version 1:9.16.44.upstream/1%9.16.44

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 171 insertions, 0 deletions

diff --git a/lib/isc/tests/symtab_test.c b/lib/isc/tests/symtab_test.c
new file mode 100644
index 0000000..4b82308
--- /dev/null
+++ b/lib/isc/tests/symtab_test.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#if HAVE_CMOCKA
+
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/print.h>
+#include <isc/symtab.h>
+#include <isc/util.h>
+
+#include "isctest.h"
+
+static int
+_setup(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = isc_test_begin(NULL, true, 0);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	return (0);
+}
+
+static int
+_teardown(void **state) {
+	UNUSED(state);
+
+	isc_test_end();
+
+	return (0);
+}
+
+static void
+undefine(char *key, unsigned int type, isc_symvalue_t value, void *arg) {
+	UNUSED(arg);
+
+	assert_int_equal(type, 1);
+	isc_mem_free(test_mctx, key);
+	isc_mem_free(test_mctx, value.as_pointer);
+}
+
+/* test symbol table growth */
+static void
+symtab_grow(void **state) {
+	isc_result_t result;
+	isc_symtab_t *st = NULL;
+	isc_symvalue_t value;
+	isc_symexists_t policy = isc_symexists_reject;
+	int i;
+
+	UNUSED(state);
+
+	result = isc_symtab_create(test_mctx, 3, undefine, NULL, false, &st);
+	assert_int_equal(result, ISC_R_SUCCESS);
+	assert_non_null(st);
+
+	/* Nothing should be in the table yet */
+
+	/*
+	 * Put 1024 entries in the table (this should necessate
+	 * regrowing the hash table several times
+	 */
+	for (i = 0; i < 1024; i++) {
+		char str[16], *key;
+
+		snprintf(str, sizeof(str), "%04x", i);
+		key = isc_mem_strdup(test_mctx, str);
+		assert_non_null(key);
+		value.as_pointer = isc_mem_strdup(test_mctx, str);
+		assert_non_null(value.as_pointer);
+		result = isc_symtab_define(st, key, 1, value, policy);
+		assert_int_equal(result, ISC_R_SUCCESS);
+		if (result != ISC_R_SUCCESS) {
+			undefine(key, 1, value, NULL);
+		}
+	}
+
+	/*
+	 * Try to put them in again; this should fail
+	 */
+	for (i = 0; i < 1024; i++) {
+		char str[16], *key;
+
+		snprintf(str, sizeof(str), "%04x", i);
+		key = isc_mem_strdup(test_mctx, str);
+		assert_non_null(key);
+		value.as_pointer = isc_mem_strdup(test_mctx, str);
+		assert_non_null(value.as_pointer);
+		result = isc_symtab_define(st, key, 1, value, policy);
+		assert_int_equal(result, ISC_R_EXISTS);
+		undefine(key, 1, value, NULL);
+	}
+
+	/*
+	 * Retrieve them; this should succeed
+	 */
+	for (i = 0; i < 1024; i++) {
+		char str[16];
+
+		snprintf(str, sizeof(str), "%04x", i);
+		result = isc_symtab_lookup(st, str, 0, &value);
+		assert_int_equal(result, ISC_R_SUCCESS);
+		assert_string_equal(str, (char *)value.as_pointer);
+	}
+
+	/*
+	 * Undefine them
+	 */
+	for (i = 0; i < 1024; i++) {
+		char str[16];
+
+		snprintf(str, sizeof(str), "%04x", i);
+		result = isc_symtab_undefine(st, str, 1);
+		assert_int_equal(result, ISC_R_SUCCESS);
+	}
+
+	/*
+	 * Retrieve them again; this should fail
+	 */
+	for (i = 0; i < 1024; i++) {
+		char str[16];
+
+		snprintf(str, sizeof(str), "%04x", i);
+		result = isc_symtab_lookup(st, str, 0, &value);
+		assert_int_equal(result, ISC_R_NOTFOUND);
+	}
+
+	isc_symtab_destroy(&st);
+}
+
+int
+main(void) {
+	const struct CMUnitTest tests[] = {
+		cmocka_unit_test_setup_teardown(symtab_grow, _setup, _teardown),
+	};
+
+	return (cmocka_run_group_tests(tests, NULL, NULL));
+}
+
+#else /* HAVE_CMOCKA */
+
+#include <stdio.h>
+
+int
+main(void) {
+	printf("1..0 # Skipped: cmocka not available\n");
+	return (SKIPPED_TEST_EXIT_CODE);
+}
+
+#endif /* if HAVE_CMOCKA */