Avoid narrowing conversions

Author: joto

test/t/handler/test_apply.cpp

@@ -13,11 +13,11 @@ TEST_CASE("apply with lambdas on reader") {
     const osmium::io::File file{with_data_dir("t/relations/data.osm")};
     osmium::io::Reader reader{file};
 
-    int count_n = 0;
-    int count_w = 0;
-    int count_r = 0;
-    int count_o = 0;
-    int count_a = 0;
+    uint64_t count_n = 0;
+    uint64_t count_w = 0;
+    uint64_t count_r = 0;
+    uint64_t count_o = 0;
+    uint64_t count_a = 0;
 
     osmium::apply(reader,
         [&](const osmium::Node& node) {

test/t/osm/test_location.cpp

@@ -161,9 +161,9 @@ TEST_CASE("Location hash") {
     if (sizeof(size_t) == 8) {
         REQUIRE(std::hash<osmium::Location>{}({0, 0}) == 0);
         REQUIRE(std::hash<osmium::Location>{}({0, 1}) == 1);
-        const int64_t a = std::hash<osmium::Location>{}({1, 0});
+        const auto a = std::hash<osmium::Location>{}({1, 0});
         REQUIRE(a == 0x100000000);
-        const int64_t b = std::hash<osmium::Location>{}({1, 1});
+        const auto b = std::hash<osmium::Location>{}({1, 1});
         REQUIRE(b == 0x100000001);
     } else {
         REQUIRE(std::hash<osmium::Location>{}({0, 0}) == 0);