[test] Added bucket feature insertion tests

1 files changed, 50 insertions, 0 deletions

diff --git a/test/gl/bucket.test.cpp b/test/gl/bucket.test.cpp
index feca82998f..fdff0e990a 100644
--- a/test/gl/bucket.test.cpp
+++ b/test/gl/bucket.test.cpp
@@ -1,4 +1,5 @@
 #include <mbgl/test/util.hpp>
+#include <mbgl/test/stub_geometry_tile_feature.hpp>
 
 #include <mbgl/renderer/buckets/circle_bucket.hpp>
 #include <mbgl/renderer/buckets/fill_bucket.hpp>
@@ -14,21 +15,54 @@
 using namespace mbgl;
 
 TEST(Buckets, CircleBucket) {
+    gl::Context context;
     CircleBucket bucket { { {0, 0, 0}, MapMode::Still, 1.0 }, {} };
     ASSERT_FALSE(bucket.hasData());
     ASSERT_FALSE(bucket.needsUpload());
+
+    GeometryCollection point { { { 0, 0 } } };
+    bucket.addFeature(StubGeometryTileFeature { {}, FeatureType::Point, point, {} }, point);
+    ASSERT_TRUE(bucket.hasData());
+    ASSERT_TRUE(bucket.needsUpload());
+
+    bucket.upload(context);
+    ASSERT_TRUE(bucket.hasData());
+    ASSERT_FALSE(bucket.needsUpload());
 }
 
 TEST(Buckets, FillBucket) {
+    gl::Context context;
     FillBucket bucket { { {0, 0, 0}, MapMode::Still, 1.0 }, {} };
     ASSERT_FALSE(bucket.hasData());
     ASSERT_FALSE(bucket.needsUpload());
+
+    GeometryCollection polygon { { { 0, 0 }, { 0, 1 }, { 1, 1 } } };
+    bucket.addFeature(StubGeometryTileFeature { {}, FeatureType::Polygon, polygon, {} }, polygon);
+    ASSERT_TRUE(bucket.hasData());
+    ASSERT_TRUE(bucket.needsUpload());
+
+    bucket.upload(context);
+    ASSERT_FALSE(bucket.needsUpload());
 }
 
 TEST(Buckets, LineBucket) {
+    gl::Context context;
     LineBucket bucket { { {0, 0, 0}, MapMode::Still, 1.0 }, {}, {} };
     ASSERT_FALSE(bucket.hasData());
     ASSERT_FALSE(bucket.needsUpload());
+
+    // Ignore invalid feature type.
+    GeometryCollection point { { { 0, 0 } } };
+    bucket.addFeature(StubGeometryTileFeature { {}, FeatureType::Point, point, {} }, point);
+    ASSERT_FALSE(bucket.hasData());
+
+    GeometryCollection line { { { 0, 0 }, { 1, 1 } } };
+    bucket.addFeature(StubGeometryTileFeature { {}, FeatureType::LineString, line, {} }, line);
+    ASSERT_TRUE(bucket.hasData());
+    ASSERT_TRUE(bucket.needsUpload());
+
+    bucket.upload(context);
+    ASSERT_FALSE(bucket.needsUpload());
 }
 
 TEST(Buckets, SymbolBucket) {
@@ -36,18 +70,34 @@ TEST(Buckets, SymbolBucket) {
     bool sdfIcons = false;
     bool iconsNeedLinear = false;
 
+    gl::Context context;
     SymbolBucket bucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear };
     ASSERT_FALSE(bucket.hasIconData());
     ASSERT_FALSE(bucket.hasTextData());
     ASSERT_FALSE(bucket.hasCollisionBoxData());
     ASSERT_FALSE(bucket.hasData());
     ASSERT_FALSE(bucket.needsUpload());
+
+    // SymbolBucket::addFeature() is a no-op.
+    GeometryCollection point { { { 0, 0 } } };
+    bucket.addFeature(StubGeometryTileFeature { {}, FeatureType::Point, point, {} }, point);
+    ASSERT_FALSE(bucket.hasData());
+    ASSERT_FALSE(bucket.needsUpload());
+
+    bucket.text.segments.emplace_back(0, 0);
+    ASSERT_TRUE(bucket.hasTextData());
+    ASSERT_TRUE(bucket.hasData());
+    ASSERT_TRUE(bucket.needsUpload());
+
+    bucket.upload(context);
+    ASSERT_FALSE(bucket.needsUpload());
 }
 
 TEST(Buckets, RasterBucket) {
     gl::Context context;
     UnassociatedImage rgba({ 1, 1 });
 
+    // RasterBucket::hasData() is always true.
     RasterBucket bucket = { std::move(rgba) };
     ASSERT_TRUE(bucket.hasData());
     ASSERT_TRUE(bucket.needsUpload());