X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fstrset%2Ftest%2Frun-order.c;fp=ccan%2Fstrset%2Ftest%2Frun-order.c;h=73784e75c88575df194de741a3c21d0ee19956f4;hp=0000000000000000000000000000000000000000;hb=ab83de953730f5e5e571dbf69ffb3cc685a102dc;hpb=0845e79650c9257aa0ddef8ff99fd815b5edffac

diff --git a/ccan/strset/test/run-order.c b/ccan/strset/test/run-order.c
new file mode 100644
index 00000000..73784e75
--- /dev/null
+++ b/ccan/strset/test/run-order.c
@@ -0,0 +1,81 @@
+#include <ccan/strset/strset.h>
+#include <ccan/strset/strset.c>
+#include <ccan/tap/tap.h>
+#include <stdio.h>
+
+#define NUM 1000
+
+static bool in_order(const char *value, unsigned int *count)
+{
+	int i = atoi(value);
+	ok1(*count == i);
+	(*count)++;
+	return false;
+}
+
+static bool in_order_by_2(const char *value, unsigned int *count)
+{
+	int i = atoi(value);
+	ok1(*count == i);
+	(*count) += 2;
+	return false;
+}
+
+static bool dump(const char *value, void *unused)
+{
+	diag("%s", value);
+	return false;
+}
+
+int main(void)
+{
+	struct strset set;
+	unsigned int i;
+	char *str[NUM];
+
+	plan_tests(NUM * 2 + 3 * NUM / 2);
+	strset_init(&set);
+
+	for (i = 0; i < NUM; i++) {
+		char template[10];
+		sprintf(template, "%08u", i);
+		str[i] = strdup(template);
+	}
+
+	for (i = 0; i < NUM; i++)
+		strset_set(&set, str[i]);
+
+	strset_iterate(&set, dump, NULL);
+
+	/* Iterate. */
+	i = 0;
+	strset_iterate(&set, in_order, &i);
+
+	/* Preserve order after deletion. */
+	for (i = 0; i < NUM; i += 2)
+		ok1(strset_clear(&set, str[i]) == str[i]);
+
+	i = 1;
+	strset_iterate(&set, in_order_by_2, &i);
+
+	for (i = 1; i < NUM; i += 2)
+		ok1(strset_clear(&set, str[i]) == str[i]);
+
+	/* empty traverse. */
+	strset_iterate(&set, in_order_by_2, (unsigned int *)NULL);
+
+	/* insert backwards, should be fine. */
+	for (i = 0; i < NUM; i++)
+		strset_set(&set, str[NUM-1-i]);
+
+	i = 0;
+	strset_iterate(&set, in_order, &i);
+
+	strset_destroy(&set);
+
+	for (i = 0; i < NUM; i++)
+		free(str[i]);
+
+	/* This exits depending on whether all tests passed */
+	return exit_status();
+}