1 files changed, 105 insertions, 0 deletions
diff --git a/mDNSResponder/unittests/unittest.c b/mDNSResponder/unittests/unittest.c
new file mode 100644
index 00000000..1ad4b030
--- /dev/null
+++ b/mDNSResponder/unittests/unittest.c
@@ -0,0 +1,105 @@
+/* -*- Mode: C; tab-width: 4 -*-
+ *
+ * Copyright (c) 2015 Apple Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <stdlib.h>
+#include "unittest.h"
+
+int _unittest_assert_i(const int condition, const int i, const char * const conditionStr,
+                       const char * const filename, const unsigned int linenum,
+                       const char * const functionname, __test_item ** __i, int * const __success)
+{
+    if (!condition)
+    {
+        __test_item* tba = malloc(sizeof(__test_item));
+        tba->next = *__i;
+        tba->file = filename;
+        tba->line = linenum;
+        tba->func = functionname;
+        tba->s = conditionStr;
+        tba->iter_count = i;
+        *__i = tba;
+        *__success = 0;
+        printf("F");
+    }
+    else
+    {
+        printf(".");
+    }
+
+    fflush(NULL);
+    return condition;
+}
+
+void _unittest_print_list(__test_item* __i)
+{
+    __test_item* __tmp = NULL;
+    while (__i)
+    {
+        __test_item* __o = __i->next;
+        __i->next = __tmp;
+        __tmp = __i;
+        __i = __o;
+    }
+    __i = __tmp;
+
+    while(__i)
+    {
+        printf("%s: In function `%s':\n%s:%d: error: failed UNITTEST_ASSERT", __i->file, __i->func, __i->file, __i->line);
+        if (__i->iter_count != -1) printf(" at iteration %d", __i->iter_count);
+        printf(": %s\n", __i->s);
+        __test_item* tbd = __i;
+        __i = __i->next;
+        free(tbd);
+    }
+}
+
+// test by building like:
+//   gcc -g -Wall -Werror -DTEST_UNITTEST_SCAFFOLD unittest.c
+// #define TEST_UNITTEST_SCAFFOLD 1
+#if TEST_UNITTEST_SCAFFOLD
+
+// modify this test as necessary to test the scaffold
+UNITTEST_HEADER(test1)
+    int i = 0;
+    int j = 1;
+    int k = 2;
+
+    UNITTEST_ASSERT(i==j);
+    UNITTEST_ASSERTI(j==i, k);
+    UNITTEST_ASSERT(i==i);
+    UNITTEST_ASSERTI(j==j, k);
+    UNITTEST_ASSERT_RETURN(j==j);
+    UNITTEST_ASSERTI_RETURN(j==j, k);
+UNITTEST_FOOTER
+
+UNITTEST_HEADER(test2)
+    UNITTEST_ASSERT(1);
+    UNITTEST_ASSERT(0);
+    UNITTEST_ASSERT(1);
+UNITTEST_FOOTER
+
+UNITTEST_HEADER(unittest_tests)
+UNITTEST_TEST(test1)
+UNITTEST_TEST(test2)
+UNITTEST_FOOTER
+
+UNITTEST_HEADER(run_tests)
+UNITTEST_GROUP(unittest_tests)
+UNITTEST_FOOTER
+
+UNITTEST_MAIN
+
+#endif // TEST_UNITTEST_SCAFFOLD