Add Minunit example

README.md

@@ -68,6 +68,16 @@ How to run:
     make
     ./helloworld
 
+Minunit testing
+---------------
+
+Minunit is very minimalistic C testing framework. It contains just two lines of code.
+
+How to run:
+    cd minunit
+    make
+    ./test
+
 node
 ----
 

minunit/Makefile

@@ -0,0 +1,15 @@
+
+
+OBJ     = main.o parsing.o
+LDADD   =
+
+test: $(OBJ)
+	${CC} ${OBJ} -o test ${LDADD}
+
+
+.c.o:
+	${CC} ${CFLAGS} -c $<
+
+clean:
+	rm -f test *.o
+

minunit/main.c

@@ -0,0 +1,53 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "minunit.h"
+#include "parsing.h"
+
+int tests_run = 0;
+
+static char * test_convert() {
+    Person* person = malloc(sizeof(Person));
+    char name[] = "Jan";
+    char surname[] = "Novak";
+    person->name = name;
+    person->surname = surname;
+    person->age = 45;
+    convert(person);
+    mu_assert("age should be increased to 46",(46==person->age));
+    mu_assert("name should be uppercase",!strcmp(person->name,"JAN"));
+    mu_assert("surname should be uppercase",!strcmp(person->surname,"NOVAK"));
+    free(person);
+    return 0;
+}
+
+static char * test_name() {
+    Person* person = malloc(sizeof(Person));
+    person->name = "";
+    person->surname = "Topinka";
+    mu_assert("name should be empty", !strcmp(person->name, ""));
+    mu_assert("surname should be Topinka", !strcmp(person->surname, "Topinka"));
+    free(person);
+    return 0;
+}
+
+static char * all_tests() {
+    mu_run_test(test_convert);
+    mu_run_test(test_name);
+    return 0;
+}
+
+int main(int argc, char **argv) {
+    char *result = all_tests();
+    if (result != 0) {
+        printf("THERE ARE TEST FAILURES:\n");
+        printf("%s\n", result);
+    }
+    else {
+        printf("ALL TESTS PASSED\n");
+    }
+    printf("Tests run: %d\n", tests_run);
+
+    return result != 0;
+
+}

minunit/minunit.h

@@ -0,0 +1,5 @@
+/* file: minunit.h */
+ #define mu_assert(message, test) do { if (!(test)) return message; } while (0)
+ #define mu_run_test(test) do { char *message = test(); tests_run++; \
+                                     if (message) return message; } while (0)
+ extern int tests_run;

minunit/parsing.c

@@ -0,0 +1,12 @@
+#include "parsing.h"
+
+void convert(Person * person) {
+   unsigned int i;
+   for (i=0; i<strlen(person->name); i ++) {
+       person->name[i] = toupper(person->name[i]);
+   }
+   for (i=0; i<strlen(person->surname); i ++) {
+       person->surname[i] = toupper(person->surname[i]);
+   }
+   person->age ++;
+}

minunit/parsing.h

@@ -0,0 +1,22 @@
+#include <string.h>
+#include<ctype.h>
+
+/**
+ * Structure to store info about person.
+ * name - pointer to name string
+ * surname - pointer to surname string
+ * age - age
+ */
+typedef struct Person {
+     char * name;
+     char * surname;
+     int age;
+} Person;
+
+/**
+ * Converts person, e.g name and surname transforms to uppercase
+ * and age increases by one.
+ * @param person person to convert
+ */
+void convert(Person * person);
+