PrismLauncher/depends/libnbtplusplus/test/nbttest.h

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/*
* libnbt++ - A library for the Minecraft Named Binary Tag format.
* Copyright (C) 2013, 2015 ljfa-ag
*
* This file is part of libnbt++.
*
* libnbt++ is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* libnbt++ is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libnbt++. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cxxtest/TestSuite.h>
#include "nbt_tags.h"
#include "nbt_visitor.h"
#include <algorithm>
#include <set>
#include <stdexcept>
using namespace nbt;
class nbttest : public CxxTest::TestSuite
{
public:
void test_tag()
{
TS_ASSERT(!is_valid_type(-1));
TS_ASSERT(!is_valid_type(0));
TS_ASSERT(is_valid_type(0, true));
TS_ASSERT(is_valid_type(1));
TS_ASSERT(is_valid_type(5, false));
TS_ASSERT(is_valid_type(7, true));
TS_ASSERT(is_valid_type(11));
TS_ASSERT(!is_valid_type(12));
//looks like TS_ASSERT_EQUALS can't handle abstract classes...
TS_ASSERT(*tag::create(tag_type::Byte) == tag_byte());
TS_ASSERT_THROWS(tag::create(tag_type::Null), std::invalid_argument);
TS_ASSERT_THROWS(tag::create(tag_type::End), std::invalid_argument);
tag_string tstr("foo");
auto cl = tstr.clone();
TS_ASSERT_EQUALS(tstr.get(), "foo");
TS_ASSERT(tstr == *cl);
cl = std::move(tstr).clone();
TS_ASSERT(*cl == tag_string("foo"));
TS_ASSERT(*cl != tag_string("bar"));
cl = std::move(*cl).move_clone();
TS_ASSERT(*cl == tag_string("foo"));
tstr.assign(tag_string("bar"));
TS_ASSERT_THROWS(tstr.assign(tag_int(6)), std::bad_cast);
TS_ASSERT_EQUALS(tstr.get(), "bar");
TS_ASSERT_EQUALS(&tstr.as<tag_string>(), &tstr);
TS_ASSERT_THROWS(tstr.as<tag_byte_array>(), std::bad_cast);
}
void test_get_type()
{
TS_ASSERT_EQUALS(tag_byte().get_type() , tag_type::Byte);
TS_ASSERT_EQUALS(tag_short().get_type() , tag_type::Short);
TS_ASSERT_EQUALS(tag_int().get_type() , tag_type::Int);
TS_ASSERT_EQUALS(tag_long().get_type() , tag_type::Long);
TS_ASSERT_EQUALS(tag_float().get_type() , tag_type::Float);
TS_ASSERT_EQUALS(tag_double().get_type() , tag_type::Double);
TS_ASSERT_EQUALS(tag_byte_array().get_type(), tag_type::Byte_Array);
TS_ASSERT_EQUALS(tag_string().get_type() , tag_type::String);
TS_ASSERT_EQUALS(tag_list().get_type() , tag_type::List);
TS_ASSERT_EQUALS(tag_compound().get_type() , tag_type::Compound);
TS_ASSERT_EQUALS(tag_int_array().get_type() , tag_type::Int_Array);
}
void test_tag_primitive()
{
tag_int tag(6);
TS_ASSERT_EQUALS(tag.get(), 6);
int& ref = tag;
ref = 12;
TS_ASSERT(tag == 12);
TS_ASSERT(tag != 6);
tag.set(24);
TS_ASSERT_EQUALS(ref, 24);
tag = 7;
TS_ASSERT_EQUALS(static_cast<int>(tag), 7);
TS_ASSERT_EQUALS(tag, tag_int(7));
TS_ASSERT_DIFFERS(tag_float(2.5), tag_float(-2.5));
TS_ASSERT_DIFFERS(tag_float(2.5), tag_double(2.5));
TS_ASSERT(tag_double() == 0.0);
TS_ASSERT_EQUALS(tag_byte(INT8_MAX).get(), INT8_MAX);
TS_ASSERT_EQUALS(tag_byte(INT8_MIN).get(), INT8_MIN);
TS_ASSERT_EQUALS(tag_short(INT16_MAX).get(), INT16_MAX);
TS_ASSERT_EQUALS(tag_short(INT16_MIN).get(), INT16_MIN);
TS_ASSERT_EQUALS(tag_int(INT32_MAX).get(), INT32_MAX);
TS_ASSERT_EQUALS(tag_int(INT32_MIN).get(), INT32_MIN);
TS_ASSERT_EQUALS(tag_long(INT64_MAX).get(), INT64_MAX);
TS_ASSERT_EQUALS(tag_long(INT64_MIN).get(), INT64_MIN);
}
void test_tag_string()
{
tag_string tag("foo");
TS_ASSERT_EQUALS(tag.get(), "foo");
std::string& ref = tag;
ref = "bar";
TS_ASSERT_EQUALS(tag.get(), "bar");
TS_ASSERT_DIFFERS(tag.get(), "foo");
tag.set("baz");
TS_ASSERT_EQUALS(ref, "baz");
tag = "quux";
TS_ASSERT_EQUALS("quux", static_cast<std::string>(tag));
std::string str("foo");
tag = str;
TS_ASSERT_EQUALS(tag.get(),str);
TS_ASSERT_EQUALS(tag_string(str).get(), "foo");
TS_ASSERT_EQUALS(tag_string().get(), "");
}
void test_tag_compound()
{
tag_compound comp{
{"foo", int16_t(12)},
{"bar", "baz"},
{"baz", -2.0},
{"list", tag_list{16, 17}}
};
//Test assignments and conversions, and exceptions on bad conversions
TS_ASSERT_EQUALS(comp["foo"].get_type(), tag_type::Short);
TS_ASSERT_EQUALS(static_cast<int32_t>(comp["foo"]), 12);
TS_ASSERT_EQUALS(static_cast<int16_t>(comp.at("foo")), int16_t(12));
TS_ASSERT(comp["foo"] == tag_short(12));
TS_ASSERT_THROWS(static_cast<int8_t>(comp["foo"]), std::bad_cast);
TS_ASSERT_THROWS(static_cast<std::string>(comp["foo"]), std::bad_cast);
TS_ASSERT_THROWS(comp["foo"] = 32, std::bad_cast);
comp["foo"] = int8_t(32);
TS_ASSERT_EQUALS(static_cast<int16_t>(comp["foo"]), 32);
TS_ASSERT_EQUALS(comp["bar"].get_type(), tag_type::String);
TS_ASSERT_EQUALS(static_cast<std::string>(comp["bar"]), "baz");
TS_ASSERT_THROWS(static_cast<int>(comp["bar"]), std::bad_cast);
TS_ASSERT_THROWS(comp["bar"] = -128, std::bad_cast);
comp["bar"] = "barbaz";
TS_ASSERT_EQUALS(static_cast<std::string>(comp["bar"]), "barbaz");
TS_ASSERT_EQUALS(comp["baz"].get_type(), tag_type::Double);
TS_ASSERT_EQUALS(static_cast<double>(comp["baz"]), -2.0);
TS_ASSERT_THROWS(static_cast<float>(comp["baz"]), std::bad_cast);
//Test nested access
comp["quux"] = tag_compound{{"Hello", "World"}, {"zero", 0}};
TS_ASSERT_EQUALS(comp.at("quux").get_type(), tag_type::Compound);
TS_ASSERT_EQUALS(static_cast<std::string>(comp["quux"].at("Hello")), "World");
TS_ASSERT_EQUALS(static_cast<std::string>(comp["quux"]["Hello"]), "World");
TS_ASSERT(comp["list"][1] == tag_int(17));
TS_ASSERT_THROWS(comp.at("nothing"), std::out_of_range);
//Test equality comparisons
tag_compound comp2{
{"foo", int16_t(32)},
{"bar", "barbaz"},
{"baz", -2.0},
{"quux", tag_compound{{"Hello", "World"}, {"zero", 0}}},
{"list", tag_list{16, 17}}
};
TS_ASSERT(comp == comp2);
TS_ASSERT(comp != dynamic_cast<const tag_compound&>(comp2["quux"].get()));
TS_ASSERT(comp != comp2["quux"]);
TS_ASSERT(dynamic_cast<const tag_compound&>(comp["quux"].get()) == comp2["quux"]);
//Test whether begin() through end() goes through all the keys and their
//values. The order of iteration is irrelevant there.
std::set<std::string> keys{"bar", "baz", "foo", "list", "quux"};
TS_ASSERT_EQUALS(comp2.size(), keys.size());
unsigned int i = 0;
for(const std::pair<const std::string, value>& val: comp2)
{
TS_ASSERT_LESS_THAN(i, comp2.size());
TS_ASSERT(keys.count(val.first));
TS_ASSERT(val.second == comp2[val.first]);
++i;
}
TS_ASSERT_EQUALS(i, comp2.size());
//Test erasing and has_key
TS_ASSERT_EQUALS(comp.erase("nothing"), false);
TS_ASSERT(comp.has_key("quux"));
TS_ASSERT(comp.has_key("quux", tag_type::Compound));
TS_ASSERT(!comp.has_key("quux", tag_type::List));
TS_ASSERT(!comp.has_key("quux", tag_type::Null));
TS_ASSERT_EQUALS(comp.erase("quux"), true);
TS_ASSERT(!comp.has_key("quux"));
TS_ASSERT(!comp.has_key("quux", tag_type::Compound));
TS_ASSERT(!comp.has_key("quux", tag_type::Null));
comp.clear();
TS_ASSERT(comp == tag_compound{});
//Test inserting values
TS_ASSERT_EQUALS(comp.put("abc", tag_double(6.0)).second, true);
TS_ASSERT_EQUALS(comp.put("abc", tag_long(-28)).second, false);
TS_ASSERT_EQUALS(comp.insert("ghi", tag_string("world")).second, true);
TS_ASSERT_EQUALS(comp.insert("abc", tag_string("hello")).second, false);
TS_ASSERT_EQUALS(comp.emplace<tag_string>("def", "ghi").second, true);
TS_ASSERT_EQUALS(comp.emplace<tag_byte>("def", 4).second, false);
TS_ASSERT((comp == tag_compound{
{"abc", tag_long(-28)},
{"def", tag_byte(4)},
{"ghi", tag_string("world")}
}));
}
void test_value()
{
value val1;
value val2(make_unique<tag_int>(42));
value val3(tag_int(42));
TS_ASSERT(!val1 && val2 && val3);
TS_ASSERT(val1 == val1);
TS_ASSERT(val1 != val2);
TS_ASSERT(val2 == val3);
TS_ASSERT(val3 == val3);
value valstr(tag_string("foo"));
TS_ASSERT_EQUALS(static_cast<std::string>(valstr), "foo");
valstr = "bar";
TS_ASSERT_THROWS(valstr = 5, std::bad_cast);
TS_ASSERT_EQUALS(static_cast<std::string>(valstr), "bar");
TS_ASSERT(valstr.as<tag_string>() == "bar");
TS_ASSERT_EQUALS(&valstr.as<tag>(), &valstr.get());
TS_ASSERT_THROWS(valstr.as<tag_float>(), std::bad_cast);
val1 = int64_t(42);
TS_ASSERT(val2 != val1);
TS_ASSERT_THROWS(val2 = int64_t(12), std::bad_cast);
TS_ASSERT_EQUALS(static_cast<int64_t>(val2), 42);
tag_int* ptr = dynamic_cast<tag_int*>(val2.get_ptr().get());
TS_ASSERT(*ptr == 42);
val2 = 52;
TS_ASSERT_EQUALS(static_cast<int32_t>(val2), 52);
TS_ASSERT(*ptr == 52);
TS_ASSERT_THROWS(val1["foo"], std::bad_cast);
TS_ASSERT_THROWS(val1.at("foo"), std::bad_cast);
val3 = 52;
TS_ASSERT(val2 == val3);
TS_ASSERT(val2.get_ptr() != val3.get_ptr());
val3 = std::move(val2);
TS_ASSERT(val3 == tag_int(52));
TS_ASSERT(!val2);
tag_int& tag = dynamic_cast<tag_int&>(val3.get());
TS_ASSERT(tag == tag_int(52));
tag = 21;
TS_ASSERT_EQUALS(static_cast<int32_t>(val3), 21);
val1.set_ptr(std::move(val3.get_ptr()));
TS_ASSERT(val1.as<tag_int>() == 21);
TS_ASSERT_EQUALS(val1.get_type(), tag_type::Int);
TS_ASSERT_EQUALS(val2.get_type(), tag_type::Null);
TS_ASSERT_EQUALS(val3.get_type(), tag_type::Null);
val2 = val1;
val1 = val3;
TS_ASSERT(!val1 && val2 && !val3);
TS_ASSERT(val1.get_ptr() == nullptr);
TS_ASSERT(val2.get() == tag_int(21));
TS_ASSERT(value(val1) == val1);
TS_ASSERT(value(val2) == val2);
val1 = val1;
val2 = val2;
TS_ASSERT(!val1);
TS_ASSERT(val1 == value_initializer(nullptr));
TS_ASSERT(val2 == tag_int(21));
val3 = tag_short(2);
TS_ASSERT_THROWS(val3 = tag_string("foo"), std::bad_cast);
TS_ASSERT(val3.get() == tag_short(2));
val2.set_ptr(make_unique<tag_string>("foo"));
TS_ASSERT(val2 == tag_string("foo"));
}
void test_tag_list()
{
tag_list list;
TS_ASSERT_EQUALS(list.el_type(), tag_type::Null);
TS_ASSERT_THROWS(list.push_back(value(nullptr)), std::invalid_argument);
list.emplace_back<tag_string>("foo");
TS_ASSERT_EQUALS(list.el_type(), tag_type::String);
list.push_back(tag_string("bar"));
TS_ASSERT_THROWS(list.push_back(tag_int(42)), std::invalid_argument);
TS_ASSERT_THROWS(list.emplace_back<tag_compound>(), std::invalid_argument);
TS_ASSERT((list == tag_list{"foo", "bar"}));
TS_ASSERT(list[0] == tag_string("foo"));
TS_ASSERT_EQUALS(static_cast<std::string>(list.at(1)), "bar");
TS_ASSERT_EQUALS(list.size(), 2u);
TS_ASSERT_THROWS(list.at(2), std::out_of_range);
TS_ASSERT_THROWS(list.at(-1), std::out_of_range);
list.set(1, value(tag_string("baz")));
TS_ASSERT_THROWS(list.set(1, value(nullptr)), std::invalid_argument);
TS_ASSERT_THROWS(list.set(1, value(tag_int(-42))), std::invalid_argument);
TS_ASSERT_EQUALS(static_cast<std::string>(list[1]), "baz");
TS_ASSERT_EQUALS(list.size(), 2u);
tag_string values[] = {"foo", "baz"};
TS_ASSERT_EQUALS(list.end() - list.begin(), int(list.size()));
TS_ASSERT(std::equal(list.begin(), list.end(), values));
list.pop_back();
TS_ASSERT(list == tag_list{"foo"});
TS_ASSERT(list == tag_list::of<tag_string>({"foo"}));
TS_ASSERT(tag_list::of<tag_string>({"foo"}) == tag_list{"foo"});
TS_ASSERT((list != tag_list{2, 3, 5, 7}));
list.clear();
TS_ASSERT_EQUALS(list.size(), 0u);
TS_ASSERT_EQUALS(list.el_type(), tag_type::String)
TS_ASSERT_THROWS(list.push_back(tag_short(25)), std::invalid_argument);
TS_ASSERT_THROWS(list.push_back(value(nullptr)), std::invalid_argument);
list.reset();
TS_ASSERT_EQUALS(list.el_type(), tag_type::Null);
list.emplace_back<tag_int>(17);
TS_ASSERT_EQUALS(list.el_type(), tag_type::Int);
list.reset(tag_type::Float);
TS_ASSERT_EQUALS(list.el_type(), tag_type::Float);
list.emplace_back<tag_float>(17.0f);
TS_ASSERT(list == tag_list({17.0f}));
TS_ASSERT(tag_list() != tag_list(tag_type::Int));
TS_ASSERT(tag_list() == tag_list());
TS_ASSERT(tag_list(tag_type::Short) != tag_list(tag_type::Int));
TS_ASSERT(tag_list(tag_type::Short) == tag_list(tag_type::Short));
tag_list short_list = tag_list::of<tag_short>({25, 36});
TS_ASSERT_EQUALS(short_list.el_type(), tag_type::Short);
TS_ASSERT((short_list == tag_list{int16_t(25), int16_t(36)}));
TS_ASSERT((short_list != tag_list{25, 36}));
TS_ASSERT((short_list == tag_list{value(tag_short(25)), value(tag_short(36))}));
TS_ASSERT_THROWS((tag_list{value(tag_byte(4)), value(tag_int(5))}), std::invalid_argument);
TS_ASSERT_THROWS((tag_list{value(nullptr), value(tag_int(6))}), std::invalid_argument);
TS_ASSERT_THROWS((tag_list{value(tag_int(7)), value(tag_int(8)), value(nullptr)}), std::invalid_argument);
TS_ASSERT_EQUALS((tag_list(std::initializer_list<value>{})).el_type(), tag_type::Null);
TS_ASSERT_EQUALS((tag_list{2, 3, 5, 7}).el_type(), tag_type::Int);
}
void test_tag_byte_array()
{
std::vector<int8_t> vec{1, 2, 127, -128};
tag_byte_array arr{1, 2, 127, -128};
TS_ASSERT_EQUALS(arr.size(), 4u);
TS_ASSERT(arr.at(0) == 1 && arr[1] == 2 && arr[2] == 127 && arr.at(3) == -128);
TS_ASSERT_THROWS(arr.at(-1), std::out_of_range);
TS_ASSERT_THROWS(arr.at(4), std::out_of_range);
TS_ASSERT(arr.get() == vec);
TS_ASSERT(arr == tag_byte_array(std::vector<int8_t>(vec)));
arr.push_back(42);
vec.push_back(42);
TS_ASSERT_EQUALS(arr.size(), 5u);
TS_ASSERT_EQUALS(arr.end() - arr.begin(), int(arr.size()));
TS_ASSERT(std::equal(arr.begin(), arr.end(), vec.begin()));
arr.pop_back();
arr.pop_back();
TS_ASSERT_EQUALS(arr.size(), 3u);
TS_ASSERT((arr == tag_byte_array{1, 2, 127}));
TS_ASSERT((arr != tag_int_array{1, 2, 127}));
TS_ASSERT((arr != tag_byte_array{1, 2, -1}));
arr.clear();
TS_ASSERT(arr == tag_byte_array());
}
void test_tag_int_array()
{
std::vector<int32_t> vec{100, 200, INT32_MAX, INT32_MIN};
tag_int_array arr{100, 200, INT32_MAX, INT32_MIN};
TS_ASSERT_EQUALS(arr.size(), 4u);
TS_ASSERT(arr.at(0) == 100 && arr[1] == 200 && arr[2] == INT32_MAX && arr.at(3) == INT32_MIN);
TS_ASSERT_THROWS(arr.at(-1), std::out_of_range);
TS_ASSERT_THROWS(arr.at(4), std::out_of_range);
TS_ASSERT(arr.get() == vec);
TS_ASSERT(arr == tag_int_array(std::vector<int32_t>(vec)));
arr.push_back(42);
vec.push_back(42);
TS_ASSERT_EQUALS(arr.size(), 5u);
TS_ASSERT_EQUALS(arr.end() - arr.begin(), int(arr.size()));
TS_ASSERT(std::equal(arr.begin(), arr.end(), vec.begin()));
arr.pop_back();
arr.pop_back();
TS_ASSERT_EQUALS(arr.size(), 3u);
TS_ASSERT((arr == tag_int_array{100, 200, INT32_MAX}));
TS_ASSERT((arr != tag_int_array{100, -56, -1}));
arr.clear();
TS_ASSERT(arr == tag_int_array());
}
void test_visitor()
{
struct : public nbt_visitor
{
tag_type visited = tag_type::Null;
void visit(tag_byte& tag) { visited = tag_type::Byte; }
void visit(tag_short& tag) { visited = tag_type::Short; }
void visit(tag_int& tag) { visited = tag_type::Int; }
void visit(tag_long& tag) { visited = tag_type::Long; }
void visit(tag_float& tag) { visited = tag_type::Float; }
void visit(tag_double& tag) { visited = tag_type::Double; }
void visit(tag_byte_array& tag) { visited = tag_type::Byte_Array; }
void visit(tag_string& tag) { visited = tag_type::String; }
void visit(tag_list& tag) { visited = tag_type::List; }
void visit(tag_compound& tag) { visited = tag_type::Compound; }
void visit(tag_int_array& tag) { visited = tag_type::Int_Array; }
} v;
tag_byte().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Byte);
tag_short().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Short);
tag_int().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Int);
tag_long().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Long);
tag_float().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Float);
tag_double().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Double);
tag_byte_array().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Byte_Array);
tag_string().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::String);
tag_list().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::List);
tag_compound().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Compound);
tag_int_array().accept(v);
TS_ASSERT_EQUALS(v.visited, tag_type::Int_Array);
}
};