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95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
#include <util/printer.hpp>
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#include <catch2/catch.hpp>
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#include <sstream>
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#include <map>
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using namespace llarp;
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struct PrintableType
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{
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std::ostream &
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print(std::ostream &stream, int level, int spaces) const
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{
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stream << "PrintableType " << level << " " << spaces;
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return stream;
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}
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};
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template <typename T>
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std::string print(const T &x) {
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std::ostringstream os;
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{
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Printer printer(os, -1, -1);
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printer.printValue(x);
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}
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return os.str();
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}
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TEST_CASE("printable types", "[printer]") {
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REQUIRE( print(char('a')) == "[ 'a' ]" );
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REQUIRE( print(bool(true)) == "[ true ]" );
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REQUIRE( print(bool(false)) == "[ false ]" );
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REQUIRE( print(short(123)) == "[ 123 ]" );
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REQUIRE( print(int(std::numeric_limits<int>::max() - 1)) == "[ 2147483646 ]" );
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REQUIRE( print(static_cast< unsigned int >(std::numeric_limits< int >::max()) + 1) == "[ 2147483648 ]" );
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using Catch::Matchers::StartsWith;
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using Catch::Matchers::EndsWith;
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static const char PTR_TYPE[] = "abacus";
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REQUIRE_THAT( print(static_cast< const void * >(PTR_TYPE)), StartsWith("[ 0x") && EndsWith(" ]") );
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REQUIRE( print(static_cast< const char * >(PTR_TYPE)) == R"([ "abacus" ])" );
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REQUIRE( print(std::string("abacus")) == R"([ "abacus" ])" );
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static const int INT_VAL = 100;
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REQUIRE_THAT( print(static_cast< const int * >(&INT_VAL)), StartsWith("[ 0x") && EndsWith(" ]") );
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REQUIRE( print(std::pair< int, std::string >(100, "abacus")) == R"([ [ 100 "abacus" ] ])" );
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REQUIRE( print(std::tuple< int, std::string, int >(100, "abacus", 123)) == R"([ [ 100 "abacus" 123 ] ])" );
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REQUIRE( print(std::map< std::string, char >{{"one", 'a'}, {"two", 'b'}, {"three", 'c'}})
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== R"([ [ [ "one" 'a' ] [ "three" 'c' ] [ "two" 'b' ] ] ])" );
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REQUIRE( print(PrintableType()) == "[ PrintableType -2 -1 ]" );
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};
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template <typename T>
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std::string printAttribute(const std::string& attr, const T &x) {
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std::ostringstream os;
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{
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Printer printer(os, -1, -1);
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printer.printAttribute(attr, x);
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}
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return os.str();
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}
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TEST_CASE("printable types, with attribute", "[printer]") {
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REQUIRE( printAttribute("fee", char('a')) == "[ fee = 'a' ]" );
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REQUIRE( printAttribute("fi", int(32)) == "[ fi = 32 ]" );
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REQUIRE( printAttribute("fo", std::map< std::string, char >{{"one", 'a'}, {"two", 'b'}, {"three", 'c'}})
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== R"([ fo = [ [ "one" 'a' ] [ "three" 'c' ] [ "two" 'b' ] ] ])" );
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REQUIRE( printAttribute("fum", PrintableType()) == "[ fum = PrintableType -2 -1 ]");
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}
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void printAnother(Printer &) {}
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template <typename T, typename... Tmore>
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void printAnother(Printer &p, const std::string &attr, const T& x, const Tmore&... more) {
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p.printAttribute(attr, x);
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printAnother(p, more...);
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}
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template <typename... T>
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std::string printMany(const T&... x) {
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std::ostringstream os;
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{
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Printer p(os, -1, -1);
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printAnother(p, x...);
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}
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return os.str();
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}
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TEST_CASE("printable types, with multiple attributes", "[printer]") {
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REQUIRE( printMany("val", 1, "v2", 2, "v3", 3, "str", std::string{"xxx"})
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== "[ val = 1 v2 = 2 v3 = 3 str = \"xxx\" ]" );
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REQUIRE( printMany("str", std::string{"xxx"}) == "[ str = \"xxx\" ]" );
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}
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