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-rw-r--r--test/miscellaneous/clip_ids.cpp251
1 files changed, 251 insertions, 0 deletions
diff --git a/test/miscellaneous/clip_ids.cpp b/test/miscellaneous/clip_ids.cpp
new file mode 100644
index 0000000000..ebd819e264
--- /dev/null
+++ b/test/miscellaneous/clip_ids.cpp
@@ -0,0 +1,251 @@
+#include <iostream>
+#include "../util.hpp"
+
+#include <algorithm>
+
+#include <mbgl/util/clip_ids.hpp>
+#include <mbgl/util/std.hpp>
+
+using namespace mbgl;
+
+template <typename T> void generate(const T &sources) {
+ ClipIDGenerator generator;
+
+ for (size_t j = 0; j < sources.size(); j++) {
+ std::forward_list<Tile *> tile_ptrs;
+ std::transform(sources[j].begin(), sources[j].end(), std::front_inserter(tile_ptrs), [](const std::shared_ptr<Tile> &tile) { return tile.get(); });
+ generator.update(tile_ptrs);
+ }
+}
+
+template <typename T> void print(const T &sources) {
+ for (size_t j = 0; j < sources.size(); j++) {
+ for (size_t i = 0; i < sources[j].size(); i++) {
+ std::cout << " ASSERT_EQ(ClipID(\"" << sources[j][i]->clip.mask << "\", \"" << sources[j][i]->clip.reference << "\"), sources[" << j << "][" << i << "]->clip);\n";
+ }
+ }
+}
+
+TEST(ClipIDs, ParentAndFourChildren) {
+ const std::vector<std::vector<std::shared_ptr<Tile>>> sources = {
+ {
+ std::make_shared<Tile>(Tile::ID { 1, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 1, 0, 1 }),
+ std::make_shared<Tile>(Tile::ID { 1, 1, 0 }),
+ std::make_shared<Tile>(Tile::ID { 1, 1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 0, 0, 0 }),
+ },
+ };
+
+ generate(sources);
+ // print(sources);
+
+ ASSERT_EQ(ClipID("00000111", "00000010"), sources[0][0]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000011"), sources[0][1]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000100"), sources[0][2]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000101"), sources[0][3]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000001"), sources[0][4]->clip);
+}
+
+TEST(ClipIDs, ParentAndFourChildrenNegative) {
+ const std::vector<std::vector<std::shared_ptr<Tile>>> sources = {
+ {
+ std::make_shared<Tile>(Tile::ID { 1, -2, 0 }),
+ std::make_shared<Tile>(Tile::ID { 1, -2, 1 }),
+ std::make_shared<Tile>(Tile::ID { 1, -1, 0 }),
+ std::make_shared<Tile>(Tile::ID { 1, -1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 0, -1, 0 }),
+ },
+ };
+
+ generate(sources);
+ // print(sources);
+
+ ASSERT_EQ(ClipID("00000111", "00000010"), sources[0][0]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000011"), sources[0][1]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000100"), sources[0][2]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000101"), sources[0][3]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000001"), sources[0][4]->clip);
+}
+
+TEST(ClipIDs, NegativeParentAndMissingLevel) {
+ const std::vector<std::vector<std::shared_ptr<Tile>>> sources = {
+ {
+ std::make_shared<Tile>(Tile::ID { 1, -1, 0 }),
+ std::make_shared<Tile>(Tile::ID { 2, -1, 0 }),
+ std::make_shared<Tile>(Tile::ID { 2, -2, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, -1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, -2, 0 }),
+ },
+ };
+
+ generate(sources);
+ // print(sources);
+
+ ASSERT_EQ(ClipID("00000111", "00000001"), sources[0][0]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000100"), sources[0][1]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000011"), sources[0][2]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000101"), sources[0][3]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000010"), sources[0][4]->clip);
+}
+
+
+TEST(ClipIDs, SevenOnSameLevel) {
+ const std::vector<std::vector<std::shared_ptr<Tile>>> sources = {
+ {
+ std::make_shared<Tile>(Tile::ID { 2, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 2, 0, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 0, 2 }),
+ std::make_shared<Tile>(Tile::ID { 2, 1, 0 }),
+ std::make_shared<Tile>(Tile::ID { 2, 1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 1, 2 }),
+ std::make_shared<Tile>(Tile::ID { 2, 2, 0 }),
+ },
+ };
+
+ generate(sources);
+ // print(sources);
+
+ ASSERT_EQ(ClipID("00000111", "00000001"), sources[0][0]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000010"), sources[0][1]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000011"), sources[0][2]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000100"), sources[0][3]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000101"), sources[0][4]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000110"), sources[0][5]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000111"), sources[0][6]->clip);
+}
+
+TEST(ClipIDs, MultipleLevels) {
+ const std::vector<std::vector<std::shared_ptr<Tile>>> sources = {
+ {
+ std::make_shared<Tile>(Tile::ID { 2, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 3, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 3, 0, 1 }),
+ std::make_shared<Tile>(Tile::ID { 4, 0, 2 }),
+ std::make_shared<Tile>(Tile::ID { 4, 1, 2 }),
+ std::make_shared<Tile>(Tile::ID { 4, 0, 3 }),
+ std::make_shared<Tile>(Tile::ID { 4, 1, 3 }),
+ std::make_shared<Tile>(Tile::ID { 3, 1, 0 }),
+ std::make_shared<Tile>(Tile::ID { 3, 1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 1, 0 }),
+ std::make_shared<Tile>(Tile::ID { 3, 2, 0 }),
+ std::make_shared<Tile>(Tile::ID { 3, 2, 1 }),
+ },
+ };
+
+ generate(sources);
+ // print(sources);
+
+ ASSERT_EQ(ClipID("00001111", "00000001"), sources[0][0]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000011"), sources[0][1]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000100"), sources[0][2]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001001"), sources[0][3]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001011"), sources[0][4]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001010"), sources[0][5]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001100"), sources[0][6]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000101"), sources[0][7]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000110"), sources[0][8]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000010"), sources[0][9]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000111"), sources[0][10]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001000"), sources[0][11]->clip);
+}
+
+
+TEST(ClipIDs, Bug206) {
+ const std::vector<std::vector<std::shared_ptr<Tile>>> sources = {
+ {
+ std::make_shared<Tile>(Tile::ID { 10, 162, 395 }),
+ std::make_shared<Tile>(Tile::ID { 10, 162, 396 }),
+ std::make_shared<Tile>(Tile::ID { 10, 163, 395 }),
+ std::make_shared<Tile>(Tile::ID { 11, 326, 791 }),
+ std::make_shared<Tile>(Tile::ID { 12, 654, 1582 }),
+ std::make_shared<Tile>(Tile::ID { 12, 654, 1583 }),
+ std::make_shared<Tile>(Tile::ID { 12, 655, 1582 }),
+ std::make_shared<Tile>(Tile::ID { 12, 655, 1583 }),
+ std::make_shared<Tile>(Tile::ID { 10, 163, 396 }),
+ std::make_shared<Tile>(Tile::ID { 10, 164, 395 }),
+ std::make_shared<Tile>(Tile::ID { 10, 164, 396 }),
+ },
+ };
+
+ generate(sources);
+ // print(sources);
+
+ ASSERT_EQ(ClipID("00001111", "00000001"), sources[0][0]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000010"), sources[0][1]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000011"), sources[0][2]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000111"), sources[0][3]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001000"), sources[0][4]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001001"), sources[0][5]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001010"), sources[0][6]->clip);
+ ASSERT_EQ(ClipID("00001111", "00001011"), sources[0][7]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000100"), sources[0][8]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000101"), sources[0][9]->clip);
+ ASSERT_EQ(ClipID("00001111", "00000110"), sources[0][10]->clip);
+}
+
+
+TEST(ClipIDs, MultipleSources) {
+ const std::vector<std::vector<std::shared_ptr<Tile>>> sources = {
+ {
+ std::make_shared<Tile>(Tile::ID { 0, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 1, 1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 2, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 2, 2 }),
+ },
+ {
+ std::make_shared<Tile>(Tile::ID { 0, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 1, 1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 2, 2 }),
+ },
+ {
+ std::make_shared<Tile>(Tile::ID { 1, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 1, 0, 1 }),
+ std::make_shared<Tile>(Tile::ID { 1, 1, 0 }),
+ std::make_shared<Tile>(Tile::ID { 1, 1, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 1, 1 }),
+ },
+ };
+
+ generate(sources);
+ // print(sources);
+
+ ASSERT_EQ(ClipID("00000111", "00000001"), sources[0][0]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000010"), sources[0][1]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000011"), sources[0][2]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000100"), sources[0][3]->clip);
+ ASSERT_EQ(ClipID("00011000", "00001000"), sources[1][0]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000010"), sources[1][1]->clip);
+ ASSERT_EQ(ClipID("00011000", "00010000"), sources[1][2]->clip);
+ ASSERT_EQ(ClipID("00000111", "00000100"), sources[1][3]->clip);
+ ASSERT_EQ(ClipID("11100000", "00100000"), sources[2][0]->clip);
+ ASSERT_EQ(ClipID("11100000", "01000000"), sources[2][1]->clip);
+ ASSERT_EQ(ClipID("11100000", "01100000"), sources[2][2]->clip);
+ ASSERT_EQ(ClipID("11100000", "10000000"), sources[2][3]->clip);
+ ASSERT_EQ(ClipID("00011000", "00010000"), sources[2][4]->clip);
+}
+
+
+TEST(ClipIDs, DuplicateIDs) {
+ const std::vector<std::vector<std::shared_ptr<Tile>>> sources = {
+ {
+ std::make_shared<Tile>(Tile::ID { 2, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 2, 0, 1 }),
+ },
+ {
+ std::make_shared<Tile>(Tile::ID { 2, 0, 0 }),
+ std::make_shared<Tile>(Tile::ID { 2, 0, 1 }),
+ std::make_shared<Tile>(Tile::ID { 2, 0, 1 }),
+ }
+ };
+
+ generate(sources);
+ // print(sources);
+
+ ASSERT_EQ(ClipID("00000011", "00000001"), sources[0][0]->clip);
+ ASSERT_EQ(ClipID("00000011", "00000010"), sources[0][1]->clip);
+ ASSERT_EQ(ClipID("00000011", "00000001"), sources[1][0]->clip);
+ ASSERT_EQ(ClipID("00000011", "00000010"), sources[1][1]->clip);
+ ASSERT_EQ(ClipID("00000011", "00000010"), sources[1][2]->clip);
+}
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