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#include <mbgl/test/util.hpp>
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/test/stub_style_observer.hpp>
#include <mbgl/text/glyph_set.hpp>
#include <mbgl/text/glyph_atlas.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/util/string.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/platform/log.hpp>
using namespace mbgl;
class GlyphAtlasTest {
public:
util::RunLoop loop;
StubFileSource fileSource;
StubStyleObserver observer;
GlyphAtlas glyphAtlas{ { 32, 32 }, fileSource };
void run(const std::string& url, const FontStack& fontStack, const GlyphRangeSet& glyphRanges) {
// Squelch logging.
Log::setObserver(std::make_unique<Log::NullObserver>());
glyphAtlas.setObserver(&observer);
glyphAtlas.setURL(url);
glyphAtlas.hasGlyphRanges(fontStack, glyphRanges);
loop.run();
}
void end() {
loop.stop();
}
};
TEST(GlyphAtlas, LoadingSuccess) {
GlyphAtlasTest test;
test.fileSource.glyphsResponse = [&] (const Resource& resource) {
EXPECT_EQ(Resource::Kind::Glyphs, resource.kind);
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/resources/glyphs.pbf"));
return response;
};
test.observer.glyphsError = [&] (const FontStack&, const GlyphRange&, std::exception_ptr) {
FAIL();
test.end();
};
test.observer.glyphsLoaded = [&] (const FontStack&, const GlyphRange&) {
if (!test.glyphAtlas.hasGlyphRanges({{"Test Stack"}}, {{0, 255}, {256, 511}}))
return;
auto glyphSet = test.glyphAtlas.getGlyphSet({{"Test Stack"}});
ASSERT_FALSE(glyphSet->getSDFs().empty());
test.end();
};
test.run(
"test/fixtures/resources/glyphs.pbf",
{{"Test Stack"}},
{{0, 255}, {256, 511}});
}
TEST(GlyphAtlas, LoadingFail) {
GlyphAtlasTest test;
test.fileSource.glyphsResponse = [&] (const Resource&) {
Response response;
response.error = std::make_unique<Response::Error>(
Response::Error::Reason::Other,
"Failed by the test case");
return response;
};
test.observer.glyphsError = [&] (const FontStack& fontStack, const GlyphRange& glyphRange, std::exception_ptr error) {
EXPECT_EQ(fontStack, FontStack({"Test Stack"}));
EXPECT_EQ(glyphRange, GlyphRange(0, 255));
EXPECT_TRUE(error != nullptr);
EXPECT_EQ(util::toString(error), "Failed by the test case");
auto glyphSet = test.glyphAtlas.getGlyphSet({{"Test Stack"}});
ASSERT_TRUE(glyphSet->getSDFs().empty());
ASSERT_FALSE(test.glyphAtlas.hasGlyphRanges({{"Test Stack"}}, {{0, 255}}));
test.end();
};
test.run(
"test/fixtures/resources/glyphs.pbf",
{{"Test Stack"}},
{{0, 255}});
}
TEST(GlyphAtlas, LoadingCorrupted) {
GlyphAtlasTest test;
test.fileSource.glyphsResponse = [&] (const Resource&) {
Response response;
response.data = std::make_unique<std::string>("CORRUPTED");
return response;
};
test.observer.glyphsError = [&] (const FontStack& fontStack, const GlyphRange& glyphRange, std::exception_ptr error) {
EXPECT_EQ(fontStack, FontStack({"Test Stack"}));
EXPECT_EQ(glyphRange, GlyphRange(0, 255));
EXPECT_TRUE(error != nullptr);
EXPECT_EQ(util::toString(error), "unknown pbf field type exception");
auto glyphSet = test.glyphAtlas.getGlyphSet({{"Test Stack"}});
ASSERT_TRUE(glyphSet->getSDFs().empty());
ASSERT_FALSE(test.glyphAtlas.hasGlyphRanges({{"Test Stack"}}, {{0, 255}}));
test.end();
};
test.run(
"test/fixtures/resources/glyphs.pbf",
{{"Test Stack"}},
{{0, 255}});
}
TEST(GlyphAtlas, LoadingCancel) {
GlyphAtlasTest test;
test.fileSource.glyphsResponse = [&] (const Resource&) {
test.end();
return optional<Response>();
};
test.observer.glyphsLoaded = [&] (const FontStack&, const GlyphRange&) {
FAIL() << "Should never be called";
};
test.run(
"test/fixtures/resources/glyphs.pbf",
{{"Test Stack"}},
{{0, 255}});
}
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