#include #include #include #include #include #include using namespace mbgl; using namespace mbgl::style; using namespace mbgl::style::conversion; TEST(StyleConversion, Function) { Error error; auto parseFunction = [&](const std::string& json) { return convertJSON>(json, error); }; auto fn1 = parseFunction(R"({"stops":[]})"); ASSERT_FALSE(fn1); ASSERT_EQ("function must have at least one stop", error.message); auto fn2 = parseFunction(R"({"stops":[1]})"); ASSERT_FALSE(fn2); ASSERT_EQ("function stop must be an array", error.message); auto fn3 = parseFunction(R"({"stops":[[]]})"); ASSERT_FALSE(fn3); ASSERT_EQ("function stop must have two elements", error.message); auto fn4 = parseFunction(R"({"stops":[[-1,-1]]})"); ASSERT_TRUE(bool(fn4)); auto fn5 = parseFunction(R"({"stops":[[0,1,2]]})"); ASSERT_FALSE(fn5); ASSERT_EQ("function stop must have two elements", error.message); auto fn6 = parseFunction(R"({"stops":[[0,"x"]]})"); ASSERT_FALSE(fn6); ASSERT_EQ("value must be a number", error.message); auto fn7 = parseFunction("{}"); ASSERT_FALSE(fn7); ASSERT_EQ("function value must specify stops", error.message); auto fn8 = parseFunction("[]"); ASSERT_FALSE(fn8); ASSERT_EQ("function must be an object", error.message); auto fn9 = parseFunction(R"({"stops":[[0,0]],"base":false})"); ASSERT_FALSE(fn9); ASSERT_EQ("function base must be a number", error.message); } TEST(StyleConversion, CompositeFunctionExpression) { Error error; auto parseFunction = [&](const std::string& src) { JSDocument doc; doc.Parse<0>(src); return convert>(doc, error); }; auto fn1 = parseFunction(R"(["interpolate", ["linear"], ["zoom"], 0, ["number", ["get", "x"]], 10, 10])"); ASSERT_TRUE(fn1); auto fn2 = parseFunction(R"(["coalesce", ["interpolate", ["linear"], ["zoom"], 0, ["number", ["get", "x"]], 10, 10], 0])"); ASSERT_TRUE(fn2); auto fn3 = parseFunction(R"(["let", "a", 0, ["interpolate", ["linear"], ["zoom"], 0, ["number", ["get", "x"]], 10, 10] ])"); ASSERT_TRUE(fn3); auto fn4 = parseFunction(R"(["coalesce", ["let", "a", 0, ["interpolate", ["linear"], ["zoom"], 0, ["number", ["get", "x"]], 10, 10], 0 ])"); ASSERT_TRUE(fn4); auto fn5 = parseFunction(R"(["coalesce", ["interpolate", ["linear"], ["number", ["get", "x"]], 0, ["zoom"], 10, 10], 0])"); ASSERT_FALSE(fn5); ASSERT_EQ(R"("zoom" expression may only be used as input to a top-level "step" or "interpolate" expression.)", error.message); }