--- /dev/null
+#include "config.h"
+
+#include <stddef.h>
+#include <assert.h>
+
+#include <ccan/agar/agar.h>
+#include <ccan/ptrint/ptrint.h>
+
+#include <ccan/tap/tap.h>
+
+#include "simple-graphr.h"
+
+static void test_adjacency(const char *name,
+ const struct agar_graph *gr,
+ const struct adjacency_listr *atr)
+{
+ int i;
+
+ for (i = 0; atr[i].from != 0; i++) {
+ const void *e;
+ struct agar_edge_info eir;
+ int j = 0;
+ int err;
+ ptrint_t *from = int2ptr(atr[i].from);
+
+ agar_for_each_edge_info(e, eir, err, gr, from) {
+ const void *cmpto;
+
+ assert(j < MAX_EDGES);
+ cmpto = int2ptr(atr[i].to[j]);
+ ok(cmpto == eir.to,
+ "%s: %p #%d -> #%ld (expected #%d -> #%d)", name, e,
+ atr[i].from, ptr2int(eir.to),
+ atr[i].from, atr[i].to[j]);
+
+ j++;
+ }
+ if (atr[i].to[j] < 0) {
+ ok(err == atr[i].to[j], "%s: %p #%d -> ERROR %d",
+ name, e, atr[i].from, atr[i].to[j]);
+ continue; /* Move onto next node on errors */
+ }
+ assert(j < MAX_EDGES);
+ ok(atr[i].to[j] == 0,
+ "%s: %p #%d -> --- (expected #%d -> #%d)", name, e,
+ atr[i].from, atr[i].from, atr[i].to[j]);
+ }
+}
+
+int main(void)
+{
+ struct trivial_graphr tgr;
+ struct parallel_graphr pgr;
+ struct full_graphr fgr;
+ struct chain_graphr cgr;
+ struct grid_graphr ggr1, ggr2;
+ struct error_graphr egr;
+
+ plan_tests(1 + 5 + 30 + 22 + 21 + 33 + 6);
+
+ trivial_graphr_init(&tgr);
+ test_adjacency("trivial", &tgr.gr, trivial_adjacencyr);
+
+ parallel_graphr_init(&pgr, 3);
+ test_adjacency("parallel nlinks 3", &pgr.gr,
+ parallel_adjacencyr_nlinks3);
+
+ full_graphr_init(&fgr, 5);
+ test_adjacency("full 5", &fgr.gr, full_adjacencyr_5);
+
+ chain_graphr_init(&cgr, 8);
+ test_adjacency("chain 8", &cgr.fgr.gr, chain_adjacencyr_8);
+
+ grid_graphr_init(&ggr1, 3, 3, true, true, false, false);
+ test_adjacency("grid 3x3 right-down", &ggr1.gr,
+ grid_adjacencyr_3x3_rightdown);
+
+ grid_graphr_init(&ggr2, 3, 3, true, true, true, true);
+ test_adjacency("grid 3x3 all", &ggr2.gr,
+ grid_adjacencyr_3x3_all);
+
+ error_graphr_init(&egr);
+ test_adjacency("error graph", &egr.gr, error_adjacencyr);
+
+ return exit_status();
+}