276 lines
9.1 KiB
C++
276 lines
9.1 KiB
C++
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#include "json2/event.hpp"
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#include "json2/except.hpp"
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#include "tap.hpp"
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#include <vector>
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#include <cstring>
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#include <functional>
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void
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test_numbers (util::TAP::logger &tap)
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{
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static const struct {
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const char *data;
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bool good;
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const char *message;
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} TESTS[] = {
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{ "1", true, "single digit" },
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{ "01", false, "leading zero" },
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{ "-1", true, "leading minus" },
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{ "1.", false, "truncated fraction" },
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{ "1.0", true, "fraction" },
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{ "1.0e", false, "truncated exponential" },
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{ "1.0e1", true, "lower exponential" },
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{ "1.0E1", true, "upper exponential" },
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{ "1.0e+1", true, "positive exponential" },
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{ "1.0e+", false, "truncated positive exponential" },
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{ "1.0e-1", true, "negative exponential" },
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{ "1.0e-", false, "truncated negative exponential" },
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};
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for (const auto &t: TESTS) {
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auto first = t.data;
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auto last = first + strlen (first);
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if (!t.good) {
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tap.expect_throw<util::json2::error> (
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[&] () {
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util::json2::event::parse ([] (auto) {}, first, last);
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},
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"number, %s",
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t.message
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);
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} else {
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util::json2::event::type_t type;
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auto end = util::json2::event::parse (
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[&type] (auto p) { type = p.type (); }, first, last
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);
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tap.expect (
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last == end && type == util::json2::event::type_t::NUMBER,
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"number, %s",
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t.message
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);
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}
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}
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}
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void
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test_literals (util::TAP::logger &tap)
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{
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static const struct {
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const char *data;
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bool good;
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util::json2::event::type_t type;
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const char *message;
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} TESTS[] = {
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{ "true", true, util::json2::event::type_t::BOOLEAN, "lower true" },
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{ "TRUE", false, util::json2::event::type_t::BOOLEAN, "upper true" },
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{ "truE", false, util::json2::event::type_t::BOOLEAN, "mixed true" },
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{ "tru", false, util::json2::event::type_t::BOOLEAN, "truncated true" },
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{ "false", true, util::json2::event::type_t::BOOLEAN, "lower false" },
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{ "FALSE", false, util::json2::event::type_t::BOOLEAN, "upper false" },
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{ "falSe", false, util::json2::event::type_t::BOOLEAN, "mixed false" },
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{ "fals", false, util::json2::event::type_t::BOOLEAN, "truncated false" },
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{ "null", true, util::json2::event::type_t::NONE, "lower null" },
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{ "NULL", false, util::json2::event::type_t::NONE, "upper null" },
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{ "nUll", false, util::json2::event::type_t::NONE, "mixed null" },
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{ "nul", false, util::json2::event::type_t::NONE, "truncated null" },
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};
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for (const auto &t: TESTS) {
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auto first = t.data;
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auto last = first + strlen (first);
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if (t.good) {
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util::json2::event::type_t type;
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util::json2::event::parse ([&type] (auto p) { type = p.type (); }, first, last);
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tap.expect_eq (type, t.type, "literal, %s", t.message);
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} else {
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tap.expect_throw<util::json2::parse_error> (
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[first,last] () {
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util::json2::event::parse ([] (auto) {}, first, last);
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},
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"literal, %s",
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t.message
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);
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}
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}
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}
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void
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test_strings (util::TAP::logger &tap)
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{
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static const struct {
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const char *data;
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bool good;
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const char *message;
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} TESTS[] = {
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{ "\"abc\"", true, "abc" },
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{ "\"\"", true, "empty" },
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{ "\"", false, "unbalanced quote" },
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{ "\"\\n\"", true, "newline escape" },
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{ "\"\\a\"", true, "valid unnecessary escape" },
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{ "\"\\uABCD\"", true, "upper unicode hex escape" },
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{ "\"\\uabcd\"", true, "lower unicode hex escape" },
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{ "\"\\uab\"", false, "truncated unicode hex escape" },
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{ "\"\\uabxy\"", false, "invalid unicode hex escape" },
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};
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for (const auto &t: TESTS) {
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auto first = t.data;
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auto last = first + strlen (first);
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if (t.good) {
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util::json2::event::type_t type;
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util::json2::event::parse ([&type] (auto p) { type = p.type (); }, first, last);
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tap.expect_eq (type, util::json2::event::type_t::STRING, "string, %s", t.message);
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} else {
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tap.expect_throw<util::json2::parse_error> (
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[first,last] () {
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util::json2::event::parse ([] (auto) {}, first, last);
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},
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"string, %s",
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t.message
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);
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}
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}
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};
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///////////////////////////////////////////////////////////////////////////////
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void
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test_arrays (util::TAP::logger &tap)
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{
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using util::json2::event::type_t;
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static const struct {
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const char *data;
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bool good;
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std::vector<util::json2::event::type_t> types;
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const char *message;
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} TESTS[] = {
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{ "[]", true, { type_t::ARRAY_BEGIN, type_t::ARRAY_END }, "empty" },
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{ "[1]", true, { type_t::ARRAY_BEGIN, type_t::NUMBER, type_t::ARRAY_END }, "single number" },
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{ "[1true]", false, { type_t::ARRAY_BEGIN, type_t::NUMBER }, "contatenated number/bool" },
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{ "[1,2]", true, { type_t::ARRAY_BEGIN, type_t::NUMBER, type_t::NUMBER, type_t::ARRAY_END }, "two numbers" },
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{ "[1,]", false, { type_t::ARRAY_BEGIN, type_t::NUMBER }, "single trailing comma" },
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{ "[1,2,]", false, { type_t::ARRAY_BEGIN, type_t::NUMBER, type_t::NUMBER }, "double trailing comma" },
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{ "[,]", false, { type_t::ARRAY_BEGIN }, "only comma" },
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{ "[", false, { type_t::ARRAY_BEGIN }, "missing terminator" },
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{ "[[]]", true, { type_t::ARRAY_BEGIN, type_t::ARRAY_BEGIN, type_t::ARRAY_END, type_t::ARRAY_END }, "nested array" },
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{ "[[]", false, { type_t::ARRAY_BEGIN, type_t::ARRAY_END }, "unbalanced nested array" },
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};
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for (const auto &t: TESTS) {
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auto first = t.data;
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auto last = first + strlen (first);
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if (t.good) {
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std::vector<type_t> types;
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util::json2::event::parse ([&types] (auto p) { types.push_back (p.type ()); }, first, last);
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tap.expect_eq (types, t.types, "array, %s", t.message);
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} else {
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tap.expect_throw<util::json2::parse_error> (
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[&] () {
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util::json2::event::parse ([] (auto) { }, first, last);
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}, "array, %s", t.message
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);
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}
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}
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};
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///////////////////////////////////////////////////////////////////////////////
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void
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test_objects (util::TAP::logger &tap)
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{
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using util::json2::event::type_t;
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static const struct {
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const char *data;
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bool good;
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std::vector<type_t> types;
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std::vector<std::string> strings;
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const char *message;
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} TESTS[] = {
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{ "{}", true, { type_t::OBJECT_BEGIN, type_t::OBJECT_END }, {}, "empty" },
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{ "{", false, { type_t::OBJECT_BEGIN }, {}, "missing terminator" },
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{ "{\"a\":1}", true, { type_t::OBJECT_BEGIN, type_t::STRING, type_t::NUMBER, type_t::OBJECT_END }, {"\"a\""}, "empty" },
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{ "{1:1}", false, { type_t::OBJECT_BEGIN }, {}, "integer key" },
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{ "{:1}", false, { type_t::OBJECT_BEGIN }, {}, "no key" },
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{ "{\"a\":}", false, { type_t::OBJECT_BEGIN, type_t::STRING }, {}, "no value" },
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{
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R"json({"a":[]})json",
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true,
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{
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type_t::OBJECT_BEGIN,
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type_t::STRING,
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type_t::ARRAY_BEGIN,
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type_t::ARRAY_END,
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type_t::OBJECT_END
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},
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{ "\"a\"" },
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"array value" },
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{
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R"json({ "a": { "b": null } })json",
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true,
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{
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type_t::OBJECT_BEGIN,
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type_t::STRING,
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type_t::OBJECT_BEGIN,
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type_t::STRING,
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type_t::NONE,
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type_t::OBJECT_END,
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type_t::OBJECT_END
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},
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{ "\"a\"", "\"b\"" },
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"recursive object"
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}
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};
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for (const auto &t: TESTS) {
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auto first = t.data;
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auto last = first + strlen (first);
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if (t.good) {
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std::vector<type_t> types;
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std::vector<std::string> strings;
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util::json2::event::parse ([&] (auto p) {
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types.push_back (p.type ());
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if (p.type () == type_t::STRING)
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strings.push_back (std::string {p.first, p.last});
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}, first, last);
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tap.expect (types == t.types && strings == t.strings, "object, %s", t.message);
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} else {
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tap.expect_throw<util::json2::parse_error> (
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[&] () {
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util::json2::event::parse ([] (auto) {}, first, last);
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}, "object, %s", t.message
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);
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}
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}
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};
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///////////////////////////////////////////////////////////////////////////////
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int
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main (void)
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{
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util::TAP::logger tap;
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test_numbers (tap);
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test_literals (tap);
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test_strings (tap);
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test_arrays (tap);
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test_objects (tap);
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return tap.status ();
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}
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