tests: Add tests for test_malloc() and test_realloc().

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>

2 files changed, 72 insertions, 0 deletions

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 9c00846..a058b5f 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -7,6 +7,7 @@ include_directories(
 )
 
 set(CMOCKA_TESTS
+    test_alloc
     test_fixtures
     test_group_fixtures
     test_assert_macros
diff --git a/tests/test_alloc.c b/tests/test_alloc.c
new file mode 100644
index 0000000..6008499
--- /dev/null
+++ b/tests/test_alloc.c
@@ -0,0 +1,71 @@
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <cmocka.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+static void torture_test_malloc(void **state)
+{
+    char *str;
+    size_t str_len;
+    size_t len;
+
+    (void)state; /* unsused */
+
+    str_len = 12;
+    str = (char *)test_malloc(str_len);
+    assert_non_null(str);
+
+    len = snprintf(str, str_len, "test string");
+    assert_int_equal(len, 11);
+
+    len = strlen(str);
+    assert_int_equal(len, 11);
+
+    test_free(str);
+}
+
+static void torture_test_realloc(void **state)
+{
+    char *str;
+    char *tmp;
+    size_t str_len;
+    size_t len;
+
+    (void)state; /* unsused */
+
+    str_len = 16;
+    str = (char *)test_malloc(str_len);
+    assert_non_null(str);
+
+    len = snprintf(str, str_len, "test string 123");
+    assert_int_equal(len, 15);
+
+    len = strlen(str);
+    assert_int_equal(len, 15);
+
+    str_len = 20;
+    tmp = test_realloc(str, str_len);
+    assert_non_null(tmp);
+
+    str = tmp;
+    len = strlen(str);
+    assert_string_equal(tmp, "test string 123");
+
+    snprintf(str + len, str_len - len, "4567");
+    assert_string_equal(tmp, "test string 1234567");
+
+    test_free(str);
+}
+
+int main(void) {
+    const struct CMUnitTest alloc_tests[] = {
+        cmocka_unit_test(torture_test_malloc),
+        cmocka_unit_test(torture_test_realloc),
+    };
+
+    return cmocka_run_group_tests(alloc_tests, NULL, NULL);
+}