[core] Attempt constraining Y axis ratio first, then X axis

platform/node/test/ignores.json

@@ -82,8 +82,6 @@
   "query-tests/feature-state/default": "skip - port https://github.com/mapbox/mapbox-gl-js/pull/6263 - needs issue",
   "query-tests/regressions/mapbox-gl-js#6555": "skip - no querySourceFeatures in mbgl-node; needs issue",
   "render-tests/background-color/transition": "https://github.com/mapbox/mapbox-gl-native/issues/10619",
-  "render-tests/basic-v9/z0-wide": "https://github.com/mapbox/mapbox-gl-native/pull/12611",
-  "render-tests/bright-v9/z0-wide": "https://github.com/mapbox/mapbox-gl-native/pull/12611",
   "render-tests/collator/resolved-locale": "Some test platforms don't resolve 'en' locale",
   "render-tests/collator/default": "Some test platforms don't resolve 'en' locale",
   "render-tests/custom-layer-js/null-island": "skip - js specific",
@@ -127,7 +125,6 @@
   "render-tests/runtime-styling/image-add-sdf": "https://github.com/mapbox/mapbox-gl-native/issues/9847",
   "render-tests/runtime-styling/paint-property-fill-flat-to-extrude": "https://github.com/mapbox/mapbox-gl-native/issues/6745",
   "render-tests/runtime-styling/set-style-paint-property-fill-flat-to-extrude": "https://github.com/mapbox/mapbox-gl-native/issues/6745",
-  "render-tests/satellite-v9/z0-wide": "https://github.com/mapbox/mapbox-gl-native/pull/12611",
   "render-tests/symbol-cross-fade/chinese": "https://github.com/mapbox/mapbox-gl-native/issues/10619",
   "render-tests/symbol-placement/line-overscaled": "https://github.com/mapbox/mapbox-gl-js/issues/5654",
   "render-tests/symbol-visibility/visible": "https://github.com/mapbox/mapbox-gl-native/issues/10409",
@@ -160,8 +157,8 @@
   "render-tests/combinations/line-translucent--fill-extrusion-translucent": "needs investigation",
   "render-tests/combinations/raster-translucent--fill-extrusion-translucent": "needs investigation",
   "render-tests/combinations/symbol-translucent--fill-extrusion-translucent": "needs investigation",
-  "render-tests/feature-state/composite-expression": "skip - port https://github.com/mapbox/mapbox-gl-js/pull/6263 - needs issue",
-  "render-tests/feature-state/data-expression": "skip - port https://github.com/mapbox/mapbox-gl-js/pull/6263 - needs issue",
+  "render-tests/feature-state/composite-expression": "https://github.com/mapbox/mapbox-gl-native/issues/12613",
+  "render-tests/feature-state/data-expression": "https://github.com/mapbox/mapbox-gl-native/issues/12613",
   "render-tests/feature-state/set-paint-property": "skip - port https://github.com/mapbox/mapbox-gl-js/pull/6263 - needs issue",
-  "render-tests/feature-state/vector-source": "skip - port https://github.com/mapbox/mapbox-gl-js/pull/6263 - needs issue"
+  "render-tests/feature-state/vector-source": "https://github.com/mapbox/mapbox-gl-native/issues/12613"
 }

src/mbgl/map/transform_state.cpp

@@ -352,21 +352,26 @@ bool TransformState::rotatedNorth() const {
 }
 
 void TransformState::constrain(double& scale_, double& x_, double& y_) const {
-    // Constrain minimum scale to avoid zooming out far enough to show off-world areas.
-    scale_ = util::max(scale_,
-                       static_cast<double>(rotatedNorth() ? size.height : size.width) / util::tileSize,
-                       static_cast<double>(rotatedNorth() ? size.width : size.height) / util::tileSize);
+    if (constrainMode == ConstrainMode::None) {
+        return;
+    }
+
+    const double ratioX = (rotatedNorth() ? size.height : size.width) / util::tileSize;
+    const double ratioY = (rotatedNorth() ? size.width : size.height) / util::tileSize;
+
+    // Constrain minimum scale to avoid zooming out far enough to show off-world areas on the Y axis.
+    // If Y axis ratio is too small to be constrained, use X axis ratio instead.
+    scale_ = util::max(scale_, ratioY < 1.0 ? ratioX : ratioY);
+
+    // Constrain min/max pan to avoid showing off-world areas on the Y axis.
+    double max_y = (scale_ * util::tileSize - (rotatedNorth() ? size.width : size.height)) / 2;
+    y_ = std::max(-max_y, std::min(y_, max_y));
 
-    // Constrain min/max pan to avoid showing off-world areas.
     if (constrainMode == ConstrainMode::WidthAndHeight) {
+        // Constrain min/max pan to avoid showing off-world areas on the X axis.
         double max_x = (scale_ * util::tileSize - (rotatedNorth() ? size.height : size.width)) / 2;
         x_ = std::max(-max_x, std::min(x_, max_x));
     }
-
-    if (constrainMode != ConstrainMode::None) {
-        double max_y = (scale_ * util::tileSize - (rotatedNorth() ? size.width : size.height)) / 2;
-        y_ = std::max(-max_y, std::min(y_, max_y));
-    }
 }
 
 void TransformState::moveLatLng(const LatLng& latLng, const ScreenCoordinate& anchor) {

test/style/expression/expression.test.cpp

@@ -29,18 +29,21 @@ TEST(Expression, IsExpression) {
 
     for(auto& entry : allExpressions.GetObject()) {
         const std::string name { entry.name.GetString(), entry.name.GetStringLength() };
-        if (name == "line-progress" ||
-            name == "feature-state" ||
-            name == "interpolate-hcl" ||
-            name == "interpolate-lab" ||
-            name == "format") {
-            // Not yet implemented
-            continue;
-        }
         JSDocument document;
         document.Parse<0>(R"([")" + name + R"("])");
-
         const JSValue* expression = &document;
+
+        // TODO:   "feature-state": https://github.com/mapbox/mapbox-gl-native/issues/12613
+        // TODO: "interpolate-hcl": https://github.com/mapbox/mapbox-gl-native/issues/8720
+        // TODO: "interpolate-lab": https://github.com/mapbox/mapbox-gl-native/issues/8720
+        // TODO:          "format": https://github.com/mapbox/mapbox-gl-native/issues/12612
+        if (name == "feature-state" || name == "interpolate-hcl" || name == "interpolate-lab" || name == "format") {
+            if (expression::isExpression(conversion::Convertible(expression))) {
+                ASSERT_TRUE(false) << "Expression name" << name << "is implemented - please update Expression.IsExpression test.";
+            }
+            continue;
+        }
+
         EXPECT_TRUE(expression::isExpression(conversion::Convertible(expression))) << name;
     }
 }