[test] Fix failing tests on iOS

test/map/transform.test.cpp

@@ -621,7 +621,8 @@ TEST(Transform, LatLngBounds) {
     }
 
     transform.jumpTo(CameraOptions().withCenter(sanFrancisco));
-    ASSERT_EQ(transform.getLatLng(), sanFrancisco);
+    ASSERT_NEAR(transform.getLatLng().latitude(), sanFrancisco.latitude(), 1e-8);
+    ASSERT_NEAR(transform.getLatLng().longitude(), sanFrancisco.longitude(), 1e-8);
 
     // Single location.
     transform.setLatLngBounds(LatLngBounds::singleton(sanFrancisco));
@@ -655,7 +656,7 @@ TEST(Transform, LatLngBounds) {
     // └───┴───┸───┴───┸───┴───┘
     transform.setLatLngBounds(LatLngBounds::hull({ -90.0, 0.0 }, { 90.0, 180.0 }));
     transform.jumpTo(CameraOptions().withCenter(sanFrancisco));
-    ASSERT_EQ(transform.getLatLng().latitude(), sanFrancisco.latitude());
+    ASSERT_NEAR(transform.getLatLng().latitude(), sanFrancisco.latitude(), 1e-8);
     ASSERT_EQ(transform.getLatLng().longitude(), 0.0);
 
     //    -1   |   0   |  +1

test/storage/offline_database.test.cpp

@@ -779,7 +779,7 @@ TEST(OfflineDatabase, MapboxTileLimitExceeded) {
         db.put(ambientTile, response);
     };
 
-    auto insertRegionTile = [&](int64_t regionID, unsigned i) {
+    auto insertRegionTile = [&](int64_t regionID, uint64_t i) {
         const Resource tile = Resource::tile("mapbox://region_tile_" + std::to_string(i), 1, 0, 0, 0, Tileset::Scheme::XYZ);
         db.putRegionResource(regionID, tile, response);
     };
@@ -801,14 +801,14 @@ TEST(OfflineDatabase, MapboxTileLimitExceeded) {
     ASSERT_EQ(db.getOfflineMapboxTileCount(), 0);
 
     // Fine because this region is under the tile limit.
-    for (unsigned i = 0; i < limit - 10; ++i) {
+    for (uint64_t i = 0; i < limit - 10; ++i) {
         insertRegionTile(region1->getID(), i);
     }
 
     ASSERT_EQ(db.getOfflineMapboxTileCount(), limit - 10);
 
     // Fine because this region + the previous is at the limit.
-    for (unsigned i = limit; i < limit + 10; ++i) {
+    for (uint64_t i = limit; i < limit + 10; ++i) {
         insertRegionTile(region2->getID(), i);
     }
 
@@ -848,7 +848,7 @@ TEST(OfflineDatabase, MapboxTileLimitExceeded) {
     // 10, which would blow up the limit if it wasn't
     // for the fact that tile 60 is already on the
     // database and will not count.
-    for (unsigned i = limit; i < limit + 10; ++i) {
+    for (uint64_t i = limit; i < limit + 10; ++i) {
         insertRegionTile(region1->getID(), i);
     }
 

test/tile/vector_tile.test.cpp

@@ -91,6 +91,8 @@ TEST(VectorTileData, ParseResults) {
         ASSERT_TRUE(false) << "should throw: feature index is out of range.";
     } catch (const std::out_of_range&) {
         ASSERT_TRUE(true);
+    } catch (...) { // needed for iOS when MBGL_WITH_RTTI=OFF
+        ASSERT_TRUE(true);
     }
 
     std::unique_ptr<GeometryTileFeature> feature = layer->getFeature(0u);

test/util/tile_cover.test.cpp

@@ -365,7 +365,7 @@ TEST(TileCount, BoundsCrossingAntimeridian) {
 TEST(TileCover, DISABLED_FuzzPoly) {
     while(true)
     {
-        std::srand (time(nullptr));
+        std::srand(static_cast<uint32_t>(time(nullptr)));
         std::size_t len = std::rand() % 10000 + 3;
         Polygon<double> polygon;
 
@@ -393,7 +393,7 @@ TEST(TileCover, DISABLED_FuzzPoly) {
 TEST(TileCover, DISABLED_FuzzLine) {
     while(true)
     {
-        std::srand (time(nullptr));
+        std::srand(static_cast<uint32_t>(time(nullptr)));
         std::size_t len = std::rand() % 10000 + 3;
         MultiLineString<double> mls;