From 6f752792af21f72b1c0f38ef2ffb175ae805327e Mon Sep 17 00:00:00 2001
From: Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com>
Date: Thu, 19 Dec 2019 17:46:15 +0200
Subject: [PATCH 1/2] Add text-size/zero render test

Tests that zero `text-size` values are properly handled.
---
 .../render-tests/text-size/zero/expected.png  | Bin 0 -> 416 bytes
 .../render-tests/text-size/zero/style.json    |  43 ++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 test/integration/render-tests/text-size/zero/expected.png
 create mode 100644 test/integration/render-tests/text-size/zero/style.json

diff --git a/test/integration/render-tests/text-size/zero/expected.png b/test/integration/render-tests/text-size/zero/expected.png
new file mode 100644
index 0000000000000000000000000000000000000000..e1aea4e90d69ea5f516667e19e49e10085a4374a
GIT binary patch
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diff --git a/test/integration/render-tests/text-size/zero/style.json b/test/integration/render-tests/text-size/zero/style.json
new file mode 100644
index 00000000000..125e3465045
--- /dev/null
+++ b/test/integration/render-tests/text-size/zero/style.json
@@ -0,0 +1,43 @@
+{
+  "version": 8,
+  "metadata": {
+    "test": {
+      "width": 64,
+      "height": 64,
+      "description": "Tests that zero text-size values are properly handled.",
+      "operations": [
+        ["wait"],
+        ["setZoom", 18]
+      ]
+    }
+  },
+  "sources": {
+    "geojson": {
+      "type": "geojson",
+      "data": {
+        "type": "Point",
+        "coordinates": [
+          0,
+          0
+        ]
+      }
+    }
+  },
+  "glyphs": "local://glyphs/{fontstack}/{range}.pbf",
+  "zoom": 17,
+  "layers": [
+    {
+      "id": "symbol",
+      "type": "symbol",
+      "source": "geojson",
+      "layout": {
+        "text-size": ["interpolate",["linear"],["zoom"],17.0,0.0,18.0,10.0,22.0,12.5],
+        "text-field": "ABC",
+        "text-font": [
+          "Open Sans Semibold",
+          "Arial Unicode MS Bold"
+        ]
+      }
+    }
+  ]
+}

From 3eb19a90445791c7d24433aa0acb984ed3e080d0 Mon Sep 17 00:00:00 2001
From: Ansis Brammanis <ansis@mapbox.com>
Date: Mon, 6 Jan 2020 14:07:14 -0500
Subject: [PATCH 2/2] add ignore

---
 test/ignores.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/ignores.json b/test/ignores.json
index f29e625ebf4..6846ae63ab1 100644
--- a/test/ignores.json
+++ b/test/ignores.json
@@ -16,5 +16,6 @@
   "render-tests/text-variable-anchor/remember-last-placement": "skip - not sure this is correct behavior",
   "render-tests/icon-image/icon-sdf-non-sdf-one-layer": "skip - render sdf icon and normal icon in one layer",
   "render-tests/text-variable-anchor/all-anchors-tile-map-mode": "skip - mapbox-gl-js does not need to render tiles",
-  "render-tests/fill-pattern/update-feature-state": "https://github.com/mapbox/mapbox-gl-js/issues/7207"
+  "render-tests/fill-pattern/update-feature-state": "https://github.com/mapbox/mapbox-gl-js/issues/7207",
+  "render-tests/text-size/zero": "https://github.com/mapbox/mapbox-gl-js/issues/9161"
 }