From 794048c049b7ed11054b06af5010cd13149e73a6 Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Thu, 28 Jan 2016 10:52:43 -0800
Subject: [PATCH] Add a test

---
 Makefile                          |  14 ++
 tests/nullisland/in.json          |  18 +++
 tests/nullisland/out/-b0_-z4.json | 239 ++++++++++++++++++++++++++++++
 3 files changed, 271 insertions(+)
 create mode 100644 tests/nullisland/in.json
 create mode 100644 tests/nullisland/out/-b0_-z4.json

diff --git a/Makefile b/Makefile
index 3ecfc92..38ca85e 100644
--- a/Makefile
+++ b/Makefile
@@ -62,3 +62,17 @@ clean:
 
 indent:
 	clang-format -i -style="{BasedOnStyle: Google, IndentWidth: 8, UseTab: Always, AllowShortIfStatementsOnASingleLine: false, ColumnLimit: 0, ContinuationIndentWidth: 8, SpaceAfterCStyleCast: true, IndentCaseLabels: false, AllowShortBlocksOnASingleLine: false, AllowShortFunctionsOnASingleLine: false}" $(C) $(H)
+
+TESTS = $(wildcard tests/*/out/*.json)
+SPACE = $(NULL) $(NULL)
+
+prep-test:
+	set -x; for i in $(TESTS); do ./tippecanoe -o /tmp/$$$$.mbtiles $$(echo $$i | awk -F/ '{ print $$4 }' | sed 's/\.json$$//' | tr '_' ' ') $$(echo $$i | awk -F/ '{ print $$1 "/" $$2 "/in.json" }'); ./tippecanoe-decode /tmp/$$$$.mbtiles > $$i; rm -f /tmp/$$$$.mbtiles; done
+
+test: tippecanoe tippecanoe-decode $(addsuffix .check,$(TESTS))
+
+%.json.check:
+	./tippecanoe -f -o $@.mbtiles $(subst _, ,$(patsubst %.json.check,%,$(word 4,$(subst /, ,$@)))) $(subst $(SPACE),/,$(wordlist 1,2,$(subst /, ,$@)))/in.json && \
+	./tippecanoe-decode $@.mbtiles > $@.out && \
+	cmp $(patsubst %.check,%,$@) $@.out && \
+	rm $@.out $@.mbtiles
diff --git a/tests/nullisland/in.json b/tests/nullisland/in.json
new file mode 100644
index 0000000..98dc2fd
--- /dev/null
+++ b/tests/nullisland/in.json
@@ -0,0 +1,18 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Polygon", "coordinates": [ [ [ 0,0 ], [ 0,1 ], [ 1,1 ], [ 1,0 ], [ 0,0 ] ] ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Polygon", "coordinates": [ [ [ 0,0 ], [ 0,-1 ], [ 1,-1 ], [ 1,0 ], [ 0,0 ] ] ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Polygon", "coordinates": [ [ [ 0,0 ], [ 0,1 ], [ -1,1 ], [ -1,0 ], [ 0,0 ] ] ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Polygon", "coordinates": [ [ [ 0,0 ], [ 0,-1 ], [ -1,-1 ], [ -1,0 ], [ 0,0 ] ] ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "LineString", "coordinates": [ [ 0,0 ], [ 1,0 ] ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "LineString", "coordinates": [ [ 0,0 ], [ -1,0 ] ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "LineString", "coordinates": [ [ 0,0 ], [ 0,1 ] ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "LineString", "coordinates": [ [ 0,0 ], [ 0,-1 ] ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ 1,0 ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ 0,1 ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ -1,0 ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ 0,-1 ] } },
+    { "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ 0,0 ] } }
+  ]
+}
diff --git a/tests/nullisland/out/-b0_-z4.json b/tests/nullisland/out/-b0_-z4.json
new file mode 100644
index 0000000..6a17520
--- /dev/null
+++ b/tests/nullisland/out/-b0_-z4.json
@@ -0,0 +1,239 @@
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