Add xstring module - bounded string builder with three valued comparator

[ccan] / ccan / xstring / test / run2.c

diff --git a/ccan/xstring/test/run2.c b/ccan/xstring/test/run2.c
new file mode 100644 (file)
index 0000000..6bd8f0f
--- /dev/null
+++ b/ccan/xstring/test/run2.c
@@ -0,0 +1,38 @@
+#include <ccan/failtest/failtest_override.h>
+#include <ccan/failtest/failtest.h>
+#include <ccan/xstring/xstring.h>
+/* Include the C files directly. */
+#include <ccan/xstring/xstring.c>
+#include <ccan/tap/tap.h>
+
+unsigned last_fail_line;
+
+enum failtest_result once_only(struct tlist_calls *history)
+{
+       const struct failtest_call *tail = tlist_tail(history, list);
+
+       if (tail->line == last_fail_line)
+               return FAIL_DONT_FAIL;
+
+       last_fail_line = tail->line;
+       return FAIL_OK;
+}
+
+int main(int argc, char *argv[])
+{
+       failtest_init(argc, argv);
+       failtest_hook = once_only;
+       plan_tests(3);
+
+       xstring *x;
+
+       ok1((x = xstrNew(100)) != NULL); // fail first malloc
+       if (x) xstrFree(x);
+
+       ok1((x = xstrNew(100)) != NULL); // fail second malloc
+       if (x) xstrFree(x);
+
+       ok1((x = xstrNew(0)) == NULL && errno == EINVAL);
+
+       failtest_exit(exit_status());
+}