From c7649e39e5b917c329646ef20d7247e237e6ab9f Mon Sep 17 00:00:00 2001
From: Erica Fischer <enf@felt.com>
Date: Mon, 25 Nov 2024 15:54:41 -0800
Subject: [PATCH] Add missing fixture, and don't crash if it is missing

---
 clip.cpp              |   5 ++
 tests/pbf/region.json | 135 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 140 insertions(+)
 create mode 100644 tests/pbf/region.json

diff --git a/clip.cpp b/clip.cpp
index c162a788..dda4032f 100644
--- a/clip.cpp
+++ b/clip.cpp
@@ -1174,8 +1174,13 @@ bool pnpoly_mp(drawvec const &geom, long long x, long long y) {
 clipbbox parse_clip_poly(std::string arg) {
 	json_pull *jp = json_begin_string(arg.c_str());
 	json_object *j = json_read_tree(jp);
+	if (j == NULL) {
+		fprintf(stderr, "Expected JSON object, not %s\n", arg.c_str());
+		exit(EXIT_ARGS);
+	}
 	if (j->type != JSON_HASH) {
 		fprintf(stderr, "Expected JSON geometry object, not %s\n", arg.c_str());
+		exit(EXIT_ARGS);
 	}
 
 	std::pair<int, drawvec> parsed_geometry = parse_geometry(j, jp, j, 0, 0, 0, 1LL << 32, false);
diff --git a/tests/pbf/region.json b/tests/pbf/region.json
new file mode 100644
index 00000000..19b21c96
--- /dev/null
+++ b/tests/pbf/region.json
@@ -0,0 +1,135 @@
+      {
+        "coordinates": [
+          [
+            [
+              [
+                13.577060272719763,
+                53.17369971291083
+              ],
+              [
+                10.704205888641951,
+                52.74867374387799
+              ],
+              [
+                8.234559137417222,
+                50.4321686022941
+              ],
+              [
+                4.20248280888643,
+                49.91569934015271
+              ],
+              [
+                3.3960675431802656,
+                47.351710786357756
+              ],
+              [
+                4.958497120486356,
+                45.82785468647634
+              ],
+              [
+                7.680148642243836,
+                45.54618382040567
+              ],
+              [
+                10.704205888641951,
+                47.82759699398349
+              ],
+              [
+                13.728263135039242,
+                48.332677316517476
+              ],
+              [
+                16.903523243756865,
+                47.24917200504791
+              ],
+              [
+                19.272368086768267,
+                48.26561972235635
+              ],
+              [
+                19.52437285730184,
+                50.97481113632679
+              ],
+              [
+                16.701919427330296,
+                52.53459175523133
+              ],
+              [
+                13.577060272719763,
+                53.17369971291083
+              ]
+            ],
+            [
+              [
+                14.78668317127898,
+                51.66775442536286
+              ],
+              [
+                12.46823928237373,
+                51.6051918576735
+              ],
+              [
+                11.208215429708275,
+                50.78400718973347
+              ],
+              [
+                11.359418292027812,
+                49.980563422399655
+              ],
+              [
+                12.417838328266726,
+                49.39363856874314
+              ],
+              [
+                14.181871721999357,
+                49.32798696801095
+              ],
+              [
+                16.046707023944435,
+                50.62440671313237
+              ],
+              [
+                14.78668317127898,
+                51.66775442536286
+              ]
+            ]
+          ],
+          [
+            [
+              [
+                21.055284848897287,
+                46.16048194834923
+              ],
+              [
+                18.988845730525668,
+                45.81027671022295
+              ],
+              [
+                18.53523714356635,
+                45.13878150945956
+              ],
+              [
+                18.585638097672586,
+                43.989754759795915
+              ],
+              [
+                19.896062904445103,
+                43.18663878167516
+              ],
+              [
+                22.31530870156351,
+                44.134624205316555
+              ],
+              [
+                22.31530870156351,
+                45.280813880909534
+              ],
+              [
+                21.055284848897287,
+                46.16048194834923
+              ]
+            ]
+          ]
+        ],
+        "type": "MultiPolygon"
+      }