add: examples for tests with parameters

1 files changed, 78 insertions, 0 deletions

diff --git a/example/param-tests.c b/example/param-tests.c
new file mode 100644
index 0000000..99cc962
--- /dev/null
+++ b/example/param-tests.c
@@ -0,0 +1,78 @@
+/* ==========================================================================
+    Licensed under BSD 2clause license. See LICENSE file for more information
+    Author: Michał Łyszczek <michal.lyszczek@bofc.pl>
+   ========================================================================== */
+
+
+#include "../mtest.h"
+#include "sub-tests.h"
+#include "calc.h"
+
+
+mt_defs_ext();
+
+struct test_param
+{
+    int a;
+    int b;
+};
+
+/* ==========================================================================
+    test to run, mt_run_named takes functions without parameters, so we have
+    to use global variables as parameters
+   ========================================================================== */
+
+
+static void add_test(const struct test_param *p)
+{
+    mt_fail(add(p->a, p->b) == p->a + p->b);
+}
+
+
+/* ==========================================================================
+    Run multiple tests every time with different argument
+   ========================================================================== */
+
+
+void param_test_in_loop(void)
+{
+    struct test_param p;
+
+    for (p.a = 0; p.a != 3; ++p.a)
+    {
+        for (p.b = 0; p.b != 3; ++p.b)
+        {
+            mt_run_param(add_test, &p);
+        }
+    }
+}
+
+/* ==========================================================================
+    Run multiple tests every time with different argument, also print
+    arguments of the run test.
+
+    This is even better than alone param as it allows to see parameters that
+    caused test to fail
+   ========================================================================== */
+
+
+void named_param_test_in_loop(void)
+{
+    struct test_param p;
+
+    for (p.a = 0; p.a != 3; ++p.a)
+    {
+        for (p.b = 0; p.b != 3; ++p.b)
+        {
+            char test_name[32];
+
+            /*
+             * mt_run_named takes "const char *" as parameter,
+             * so we have to construct name by ourselfs
+             */
+
+            sprintf(test_name, "named param test add(%d, %d)", p.a, p.b);
+            mt_run_named_param(add_test, &p, test_name);
+        }
+    }
+}