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Add regression test for #3323, bug in layer dependency tracking (#3326)

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Co-authored-by: Bart Louwers <bart@emeel.net>
This commit is contained in:
Tim Sylvester
2025-03-24 09:44:01 -07:00
committed by GitHub
parent 2544cce753
commit c4f33fab32
14 changed files with 55 additions and 2 deletions
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34
test/map/map.test.cpp
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@@ -19,8 +19,10 @@
#include <mbgl/storage/network_status.hpp>
#include <mbgl/storage/online_file_source.hpp>
#include <mbgl/storage/resource_options.hpp>
#include <mbgl/style/image.hpp>
#include <mbgl/style/expression/dsl.hpp>
#include <mbgl/style/image_impl.hpp>
#include <mbgl/style/image.hpp>
#include <mbgl/style/layers/background_layer.hpp>
#include <mbgl/style/layers/background_layer.hpp>
#include <mbgl/style/layers/fill_layer.hpp>
#include <mbgl/style/layers/raster_layer.hpp>
@@ -29,8 +31,8 @@
#include <mbgl/style/sources/geojson_source.hpp>
#include <mbgl/style/sources/image_source.hpp>
#include <mbgl/style/sources/vector_source.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/style/style_impl.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/util/async_task.hpp>
#include <mbgl/util/client_options.hpp>
#include <mbgl/util/color.hpp>
@@ -1866,3 +1868,31 @@ TEST(Map, ObserveTileLifecycle) {
EXPECT_FALSE(parsing);
}
}
TEST(BackgroundLayer, StyleUpdateZoomDependency) {
using namespace mbgl::style::expression::dsl;
MapTest<> test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/map/style_update_zoom_dependency/style.json"));
test.map.jumpTo(CameraOptions().withZoom(0.0));
// Initial render: background should be red at zoom 0
test::checkImage("test/fixtures/map/style_update_zoom_dependency/initial_red",
test.frontend.render(test.map).image,
0.0006,
0.1);
// Update background layer to use zoom-dependent color
auto layer = static_cast<style::BackgroundLayer*>(test.map.getStyle().getLayer("background"));
layer->setBackgroundColor(PropertyExpression<Color>(
interpolate(linear(), zoom(), 0.0, literal(Color::red()), 14.0, literal(Color::green()))));
test.frontend.render(test.map);
// Change zoom to 14 and re-render
test.map.jumpTo(CameraOptions().withZoom(14.0));
test::checkImage("test/fixtures/map/style_update_zoom_dependency/after_update_green",
test.frontend.render(test.map).image,
0.0006,
0.1);
}