switched to C unit-tests instead of bash

Makefile

@@ -3,17 +3,20 @@
 
 all: libjsmn.a 
 
-demo: libjsmn.a demo.o
-	$(CC) $(LDFLAGS) demo.o -L. -ljsmn -o $@
+#demo: libjsmn.a demo.o
+#	$(CC) $(LDFLAGS) demo.o -L. -ljsmn -o $@
 
 libjsmn.a: jsmn.o
 	$(AR) rc $@ $^
 
 %.o: %.c jsmn.h
 	$(CC) -c $(CFLAGS) $< -o $@
 
-test: all demo
-	sh test.sh
+test: jsmn_test
+	./jsmn_test
+
+jsmn_test: jsmn_test.o
+	$(CC) -L. -ljsmn $< -o $@
 
 clean:
 	rm -f jsmn.o demo.o

jsmn_test.c

@@ -0,0 +1,57 @@
+#include <stdio.h>
+
+#include "jsmn.c"
+
+static int test_passed = 0;
+static int test_failed = 0;
+
+/* Terminate current test with error */
+#define fail()	return __LINE__
+
+/* Successfull end of the test case */
+#define done() return 0
+
+/* Check single condition */
+#define check(cond) do { if (!(cond)) fail(); } while (0)
+
+/* Test runner */
+static void test(int (*func)(void), const char *name) {
+	int r = func();
+	if (r == 0) {
+		test_passed++;
+	} else {
+		test_failed++;
+		printf("FAILED: %s (at line %d)\n", name, r);
+	}
+}
+
+#define TOKEN_EQ(t, tok_start, tok_end, tok_type) \
+	((t).start == tok_start \
+	 && (t).end == tok_end  \
+	 && (t).type == (tok_type))
+
+#define TOKEN_PRINT(t) \
+	printf("start: %d, end: %d, type: %d\n", (t).start, (t).end, (t).type)
+
+
+
+int test_primitive() {
+	int r;
+	jsmn_parser p;
+	jsmntok_t tokens[10];
+
+	jsmn_init_parser(&p, "{\"a\": 0}", tokens, 10);
+
+	r = jsmn_parse(&p);
+	check(r == JSMN_SUCCESS);
+	check(TOKEN_EQ(tokens[0], 0, 8, JSMN_OBJECT));
+	check(TOKEN_EQ(tokens[1], 2, 3, JSMN_STRING));
+	check(TOKEN_EQ(tokens[2], 6, 7, JSMN_PRIMITIVE));
+
+	return 0;
+}
+
+int main() {
+	test(test_primitive, "test primitive values");
+	return 0;
+}