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#include <mbgl/test/util.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/style/conversion.hpp>
#include <mbgl/util/rapidjson.hpp>
#include <mbgl/style/rapidjson_conversion.hpp>
#include <mbgl/style/expression/is_expression.hpp>
#include <rapidjson/document.h>
#include <iostream>
#include <fstream>
#include <dirent.h>
using namespace mbgl;
using namespace mbgl::style;
TEST(Expression, IsExpression) {
rapidjson::GenericDocument<rapidjson::UTF8<>, rapidjson::CrtAllocator> spec;
spec.Parse<0>(util::read_file("mapbox-gl-js/src/style-spec/reference/v8.json").c_str());
ASSERT_FALSE(spec.HasParseError());
ASSERT_TRUE(spec.IsObject() &&
spec.HasMember("expression_name") &&
spec["expression_name"].IsObject() &&
spec["expression_name"].HasMember("values") &&
spec["expression_name"]["values"].IsObject());
const auto& allExpressions = spec["expression_name"]["values"];
for(auto& entry : allExpressions.GetObject()) {
const std::string name { entry.name.GetString(), entry.name.GetStringLength() };
JSDocument document;
document.Parse<0>(R"([")" + name + R"("])");
const JSValue* expression = &document;
EXPECT_TRUE(expression::isExpression(conversion::Convertible(expression))) << name;
}
}
class ExpressionEqualityTest : public ::testing::TestWithParam<std::string> {};
TEST_P(ExpressionEqualityTest, ExpressionEquality) {
const std::string base = std::string("test/fixtures/expression_equality/") + GetParam();
std::string error;
auto parse = [&](std::string filename, std::string& error_) -> std::unique_ptr<expression::Expression> {
rapidjson::GenericDocument<rapidjson::UTF8<>, rapidjson::CrtAllocator> document;
document.Parse<0>(util::read_file(filename).c_str());
assert(!document.HasParseError());
const JSValue* expression = &document;
expression::ParsingContext ctx;
expression::ParseResult parsed = ctx.parseExpression(conversion::Convertible(expression));
if (!parsed) {
error_ = ctx.getErrors().size() > 0 ? ctx.getErrors()[0].message : "failed to parse";
};
return std::move(*parsed);
};
std::unique_ptr<expression::Expression> expression_a1 = parse(base + ".a.json", error);
ASSERT_TRUE(expression_a1) << GetParam() << ": " << error;
std::unique_ptr<expression::Expression> expression_a2 = parse(base + ".a.json", error);
ASSERT_TRUE(expression_a2) << GetParam() << ": " << error;
std::unique_ptr<expression::Expression> expression_b = parse(base + ".b.json", error);
ASSERT_TRUE(expression_b) << GetParam() << ": " << error;
EXPECT_TRUE(*expression_a1 == *expression_a2);
EXPECT_TRUE(*expression_a1 != *expression_b);
}
INSTANTIATE_TEST_CASE_P(Expression, ExpressionEqualityTest, ::testing::ValuesIn([] {
std::vector<std::string> names;
const std::string ending = ".a.json";
const std::string style_directory = "test/fixtures/expression_equality";
DIR *dir = opendir(style_directory.c_str());
if (dir != nullptr) {
for (dirent *dp = nullptr; (dp = readdir(dir)) != nullptr;) {
const std::string name = dp->d_name;
if (name.length() >= ending.length() && name.compare(name.length() - ending.length(), ending.length(), ending) == 0) {
names.push_back(name.substr(0, name.length() - ending.length()));
}
}
closedir(dir);
}
EXPECT_GT(names.size(), 0u);
return names;
}()));
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