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125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
#define CATCH_CONFIG_MAIN
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#include "catch/catch.hpp"
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#include "text.hpp"
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#include "sort.hpp"
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#include "tile-cache.hpp"
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#include "projection.hpp"
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#include <unistd.h>
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#include <limits.h>
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TEST_CASE("UTF-8 enforcement", "[utf8]") {
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REQUIRE(check_utf8("") == std::string(""));
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REQUIRE(check_utf8("hello world") == std::string(""));
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REQUIRE(check_utf8("Καλημέρα κόσμε") == std::string(""));
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REQUIRE(check_utf8("こんにちは 世界") == std::string(""));
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REQUIRE(check_utf8("👋🌏") == std::string(""));
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REQUIRE(check_utf8("Hola m\xF3n") == std::string("\"Hola m\xF3n\" is not valid UTF-8 (0xF3 0x6E)"));
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}
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TEST_CASE("UTF-8 truncation", "[trunc]") {
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REQUIRE(truncate16("0123456789abcdefghi", 16) == std::string("0123456789abcdef"));
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REQUIRE(truncate16("0123456789éîôüéîôüç", 16) == std::string("0123456789éîôüéî"));
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REQUIRE(truncate16("0123456789😀😬😁😂😃😄😅😆", 16) == std::string("0123456789😀😬😁"));
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REQUIRE(truncate16("0123456789😀😬😁😂😃😄😅😆", 17) == std::string("0123456789😀😬😁"));
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REQUIRE(truncate16("0123456789あいうえおかきくけこさ", 16) == std::string("0123456789あいうえおか"));
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}
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int intcmp(const void *v1, const void *v2) {
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return *((int *) v1) - *((int *) v2);
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}
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TEST_CASE("External quicksort", "fqsort") {
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std::vector<FILE *> inputs;
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size_t written = 0;
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for (size_t i = 0; i < 5; i++) {
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std::string tmpname = "/tmp/in.XXXXXXX";
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int fd = mkstemp((char *) tmpname.c_str());
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unlink(tmpname.c_str());
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FILE *f = fdopen(fd, "w+b");
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inputs.emplace_back(f);
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size_t iterations = 2000 + rand() % 200;
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for (size_t j = 0; j < iterations; j++) {
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int n = rand();
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fwrite((void *) &n, sizeof(int), 1, f);
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written++;
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}
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rewind(f);
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}
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std::string tmpname = "/tmp/out.XXXXXX";
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int fd = mkstemp((char *) tmpname.c_str());
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unlink(tmpname.c_str());
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FILE *f = fdopen(fd, "w+b");
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fqsort(inputs, sizeof(int), intcmp, f, 256);
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rewind(f);
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int prev = INT_MIN;
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int here;
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size_t nread = 0;
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while (fread((void *) &here, sizeof(int), 1, f)) {
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REQUIRE(here >= prev);
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prev = here;
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nread++;
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}
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fclose(f);
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REQUIRE(nread == written);
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}
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mvt_tile mock_get_tile(zxy tile) {
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mvt_layer l;
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l.name = std::to_string(tile.z) + "/" + std::to_string(tile.x) + "/" + std::to_string(tile.y);
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mvt_tile t;
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t.layers.push_back(l);
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return t;
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}
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TEST_CASE("Tile-join cache", "tile cache") {
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tile_cache tc;
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tc.capacity = 5;
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REQUIRE(tc.get(zxy(11, 327, 791), mock_get_tile).layers[0].name == "11/327/791");
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REQUIRE(tc.get(zxy(11, 5, 7), mock_get_tile).layers[0].name == "11/5/7");
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REQUIRE(tc.get(zxy(11, 5, 8), mock_get_tile).layers[0].name == "11/5/8");
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REQUIRE(tc.get(zxy(11, 5, 9), mock_get_tile).layers[0].name == "11/5/9");
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REQUIRE(tc.get(zxy(11, 5, 10), mock_get_tile).layers[0].name == "11/5/10");
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REQUIRE(tc.get(zxy(11, 327, 791), mock_get_tile).layers[0].name == "11/327/791");
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REQUIRE(tc.overzoom_cache.size() == 5);
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REQUIRE(tc.overzoom_cache.find(zxy(11, 327, 791)) != tc.overzoom_cache.end());
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REQUIRE(tc.overzoom_cache.find(zxy(11, 5, 7)) != tc.overzoom_cache.end());
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// verify that additional gets evict the least-recently-used elements
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REQUIRE(tc.get(zxy(11, 5, 11), mock_get_tile).layers[0].name == "11/5/11");
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REQUIRE(tc.overzoom_cache.size() == 5);
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REQUIRE(tc.overzoom_cache.find(zxy(11, 5, 7)) == tc.overzoom_cache.end());
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REQUIRE(tc.get(zxy(11, 5, 12), mock_get_tile).layers[0].name == "11/5/12");
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REQUIRE(tc.overzoom_cache.size() == 5);
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REQUIRE(tc.overzoom_cache.find(zxy(11, 5, 8)) == tc.overzoom_cache.end());
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}
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TEST_CASE("Bit reversal", "bit reversal") {
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REQUIRE(bit_reverse(1) == 0x8000000000000000);
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REQUIRE(bit_reverse(0x1234567812489BCF) == 0xF3D912481E6A2C48);
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REQUIRE(bit_reverse(0xF3D912481E6A2C48) == 0x1234567812489BCF);
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}
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TEST_CASE("Projection", "projection") {
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// troublesome point from tests/accumulate/in.json
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long long wx36, wy36;
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lonlat2tile(-123.948513, -81.873970, 36, &wx36, &wy36);
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REQUIRE(wx36 == 0x27dbdc9fb);
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REQUIRE(wy36 == 0xebc06c629);
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long long wx32, wy32;
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lonlat2tile(-123.948513, -81.873970, 32, &wx32, &wy32);
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REQUIRE(wx32 == 0x27dbdca0);
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REQUIRE(wy32 == 0xebc06c63);
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REQUIRE(std::llround(wx36 / 16.0) == wx32);
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REQUIRE(std::llround(wy36 / 16.0) == wy32);
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}
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