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+======  Test-Framework  ======
+=====  Installation  =====
+To install it type:
+<code>
+emerge sys-devel/automake
+emerge sys-devel/autoconf
+emerge dev-libs/check
+or
+apt-get install autoconf automake check
+</code>
+=====  Setting up with autoconf and automake  =====
+Create a directory for your project and create a file autogen.sh:
+<code>
+#!/bin/sh
+if [ -n "$CHECK_DIR" ]; then
+    aclocal -I $CHECK_DIR
+else
+    aclocal
+fi
+autoconf
+autoheader
+automake --add-missing
+./configure "$@"
+echo
+echo "Now type 'make check' to compile."
+</code>
+Create the file Makefile.am:
+<code>
+INCLUDES=@CHECK_CFLAGS@
+if HAVE_CHECK
+TESTS=check_money
+else
+TESTS=
+endif
+noinst_PROGRAMS=$(TESTS)
+lib_LIBRARIES= libmoney.a
+libmoney_a_SOURCES= \
+    money.h\
+    money.c
+check_money_SOURCES= \
+	 money.h\
+	 money.c\
+	 check_money.c
+check_money_LDADD= @CHECK_LIBS@
+</code>
+Now create the file configure.in:
+<code>
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT(money.h)
+AM_INIT_AUTOMAKE(money,0.2)
+dnl Checks for programs.
+AC_PROG_AWK
+AC_PROG_CC
+AC_PROG_INSTALL
+AC_PROG_LN_S
+dnl This macro is defined in check.m4 and tests if check.h and libcheck.a
+dnl can be found. It sets CHECK_CFLAGS and CHECK_LIBS accordingly.
+dnl AM_PATH_CHECK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+AM_PATH_CHECK(,[have_check="yes"],
+	AC_MSG_WARN([Check not found; cannot run unit tests!])
+	[have_check="no"])
+AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
+dnl Checks for header files.
+AM_CONFIG_HEADER(config.h)
+dnl Checks for typedefs, structures, and compiler characteristics.
+dnl Checks for library functions.
+AC_OUTPUT(Makefile)
+</code>
+=====  Create the programm itself  =====
+Create the file money.c:
+<code>
+#include <money.h>
+</code>
+Create the file money.h:
+<code>
+#ifndef MONEY_H
+#define MONEY_H
+#endif
+</code>
+Create the file check_money.c:
+<code>
+#include <check.h>
+#include <stdlib.h>
+#include "money.h"
+START_TEST (test1)
+{
+}
+END_TEST
+int main(void)
+{
+   return 0;
+}
+</code>
+=====  Create the testroutines  =====
+Edit check_money.c:
+<code>
+#include <check.h>
+#include <stdlib.h>
+#include "money.h"
+Money *five_dollars;
+void setup(void)
+{
+   five_dollars=money_create(5, "USD");
+}
+void teardown(void)
+{
+   money_free(five_dollars);
+}
+START_TEST (test_create)
+{
+   fail_unless(money_amount(five_dollars)==5,
+          "Amount not set correctly on creation");
+   fail_unless(strcmp(money_currency(five_dollars), "USD") == 0,
+          "Currency not set correctly on creation");
+}
+END_TEST
+START_TEST (test_neg_create)
+{
+   Money *m=money_create(-1, "USD");
+   fail_unless(m == NULL,
+          "NULL should be returned on attempt to create with a negative amount");
+}
+END_TEST
+START_TEST (test_zero_create)
+{
+   Money *m=money_create(0,"USD");
+   fail_unless(money_amount(m)==0,"Zero is a valid amount of money");
+}
+END_TEST
+Suite *money_suite(void)
+{
+   Suite *s=suite_create("Money");
+   TCase *tc_core=tcase_create("Core");
+   TCase *tc_limits=tcase_create("Limits");
+   suite_add_tcase (s, tc_core);
+   suite_add_tcase (s, tc_limits);
+   tcase_add_test(tc_core, test_create);
+   tcase_add_checked_fixture(tc_core, setup, teardown);
+   tcase_add_test(tc_limits, test_neg_create);
+   tcase_add_test(tc_limits, test_zero_create);
+   return s;
+}
+int main(void)
+{
+   int nf;
+   Suite *s=money_suite();
+   SRunner *sr=srunner_create(s);
+   srunner_set_log(sr, "test.log");
+   srunner_run_all(sr, CK_NORMAL);
+   nf=srunner_ntests_failed(sr);
+   srunner_free(sr);
+   return (nf == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+</code>
+=====  Create the functions  =====
+Edit money.h:
+<code>
+#ifndef MONEY_H
+#define MONEY_H
+typedef struct Money Money;
+Money *money_create(int amount, char *currency);
+int money_amount(Money *m);
+char *money_currency(Money *m);
+void money_free(Money *m);
+#endif
+</code>
+Edit money.c:
+<code>
+#include <stdlib.h>
+#include <money.h>
+struct Money
+{
+      int amount;
+      char *currency;
+};
+Money *money_create(int amount, char *currency)
+{
+   if(amount <0)
+      return NULL;
+   Money *m = malloc(sizeof(Money));
+   if(m == NULL)
+      return NULL;
+   m->amount=amount;
+   m->currency=currency;
+   return m;
+}
+int money_amount(Money *m)
+{
+  return m->amount;
+}
+char *money_currency(Money *m)
+{
+  return m->currency;
+}
+void money_free(Money *m)
+{
+   free(m);
+}
+</code>
+=====  Performing the checks  =====
+To prepare the compilation type:
+<code>
+./autogen.sh
+./configure
+</code>
+To check if everything is fine and compile it type:
+<code>
+make check
+</code>

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