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godot/main/tests/test_xml_parser.cpp

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/*************************************************************************/
/* test_xml_parser.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "test_xml_parser.h"
#include "core/os/os.h"
namespace TestXMLParser {
#define CHECK(X) \
if (!(X)) { \
OS::get_singleton()->print("\tFAIL at %s\n", #X); \
return false; \
} else { \
OS::get_singleton()->print("\tPASS\n"); \
}
#define REQUIRE_EQ(X, Y) \
if ((X) != (Y)) { \
OS::get_singleton()->print("\tFAIL at %s != %s\n", #X, #Y); \
return false; \
} else { \
OS::get_singleton()->print("\tPASS\n"); \
}
Vector<uint8_t> _to_buffer(const String &p_text) {
Vector<uint8_t> buff;
for (int i = 0; i < p_text.length(); i++) {
buff.push_back(p_text.get(i));
}
return buff;
}
bool test_1() {
String source = "<?xml version = \"1.0\" encoding=\"UTF-8\" ?>\
<top attr=\"attr value\">\
Text&lt;&#65;&#x42;&gt;\
</top>";
Vector<uint8_t> buff = _to_buffer(source);
XMLParser parser;
parser.open_buffer(buff);
// <?xml ...?> gets parsed as NODE_UNKNOWN
CHECK(parser.read() == OK);
CHECK(parser.get_node_type() == XMLParser::NodeType::NODE_UNKNOWN);
CHECK(parser.read() == OK);
CHECK(parser.get_node_type() == XMLParser::NodeType::NODE_ELEMENT);
CHECK(parser.get_node_name() == "top");
CHECK(parser.has_attribute("attr"));
CHECK(parser.get_attribute_value("attr") == "attr value");
CHECK(parser.read() == OK);
CHECK(parser.get_node_type() == XMLParser::NodeType::NODE_TEXT);
CHECK(parser.get_node_data().lstrip(" \t") == "Text<AB>");
CHECK(parser.read() == OK);
CHECK(parser.get_node_type() == XMLParser::NodeType::NODE_ELEMENT_END);
CHECK(parser.get_node_name() == "top");
parser.close();
return true;
}
bool test_comments() {
XMLParser parser;
// Missing end of comment.
{
const String input = "<first></first><!-- foo";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT_END);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_COMMENT);
REQUIRE_EQ(parser.get_node_name(), " foo");
}
// Bad start of comment.
{
const String input = "<first></first><!-";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT_END);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_COMMENT);
REQUIRE_EQ(parser.get_node_name(), "-");
}
// Unblanced angle brackets in comment.
{
const String input = "<!-- example << --><next-tag></next-tag>";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_COMMENT);
REQUIRE_EQ(parser.get_node_name(), " example << ");
}
// Doctype.
{
const String input = "<!DOCTYPE greeting [<!ELEMENT greeting (#PCDATA)>]>";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_COMMENT);
REQUIRE_EQ(parser.get_node_name(), "DOCTYPE greeting [<!ELEMENT greeting (#PCDATA)>]");
}
return true;
}
bool test_premature_endings() {
struct Case {
String input;
String expected_name;
XMLParser::NodeType expected_type;
} const cases[] = {
// Incomplete unknown.
{ "<first></first><?xml", "?xml", XMLParser::NodeType::NODE_UNKNOWN },
// Incomplete CDStart.
{ "<first></first><![CD", "", XMLParser::NodeType::NODE_CDATA },
// Incomplete CData.
{ "<first></first><![CDATA[example", "example", XMLParser::NodeType::NODE_CDATA },
// Incomplete CDEnd.
{ "<first></first><![CDATA[example]]", "example]]", XMLParser::NodeType::NODE_CDATA },
// Incomplete start-tag name.
{ "<first></first><second", "second", XMLParser::NodeType::NODE_ELEMENT },
};
XMLParser parser;
for (unsigned long i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
const Case &test_case = cases[i];
REQUIRE_EQ(parser.open_buffer(_to_buffer(test_case.input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT_END);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), test_case.expected_type);
REQUIRE_EQ(parser.get_node_name(), test_case.expected_name);
}
// Incomplete start-tag attribute name.
{
const String input = "<first></first><second attr1=\"foo\" attr2";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT);
REQUIRE_EQ(parser.get_node_name(), "second");
REQUIRE_EQ(parser.get_attribute_count(), 1);
REQUIRE_EQ(parser.get_attribute_name(0), "attr1");
REQUIRE_EQ(parser.get_attribute_value(0), "foo");
}
// Incomplete start-tag attribute unquoted value.
{
const String input = "<first></first><second attr1=\"foo\" attr2=bar";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT);
REQUIRE_EQ(parser.get_node_name(), "second");
REQUIRE_EQ(parser.get_attribute_count(), 1);
REQUIRE_EQ(parser.get_attribute_name(0), "attr1");
REQUIRE_EQ(parser.get_attribute_value(0), "foo");
}
// Incomplete start-tag attribute quoted value.
{
const String input = "<first></first><second attr1=\"foo\" attr2=\"bar";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT);
REQUIRE_EQ(parser.get_node_name(), "second");
REQUIRE_EQ(parser.get_attribute_count(), 2);
REQUIRE_EQ(parser.get_attribute_name(0), "attr1");
REQUIRE_EQ(parser.get_attribute_value(0), "foo");
REQUIRE_EQ(parser.get_attribute_name(1), "attr2");
REQUIRE_EQ(parser.get_attribute_value(1), "bar");
}
// Incomplete end-tag name.
{
const String input = "<first></fir";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT_END);
REQUIRE_EQ(parser.get_node_name(), "fir");
}
// Trailing text.
{
const String input = "<first></first>example";
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_TEXT);
REQUIRE_EQ(parser.get_node_data(), "example");
}
return true;
}
bool test_cdata() {
const String input = "<a><![CDATA[my cdata content goes here]]></a>";
XMLParser parser;
REQUIRE_EQ(parser.open_buffer(_to_buffer(input)), OK);
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT);
REQUIRE_EQ(parser.get_node_name(), "a");
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_CDATA);
REQUIRE_EQ(parser.get_node_name(), "my cdata content goes here");
REQUIRE_EQ(parser.read(), OK);
REQUIRE_EQ(parser.get_node_type(), XMLParser::NodeType::NODE_ELEMENT_END);
REQUIRE_EQ(parser.get_node_name(), "a");
return true;
}
typedef bool (*TestFunc)();
TestFunc test_funcs[] = {
test_1,
test_comments,
test_premature_endings,
test_cdata,
nullptr
};
MainLoop *test() {
int count = 0;
int passed = 0;
while (true) {
if (!test_funcs[count]) {
break;
}
bool pass = test_funcs[count]();
if (pass) {
passed++;
}
OS::get_singleton()->print("\t%s\n", pass ? "PASS" : "FAILED");
count++;
}
OS::get_singleton()->print("\n\n\n");
OS::get_singleton()->print("*************\n");
OS::get_singleton()->print("***TOTALS!***\n");
OS::get_singleton()->print("*************\n");
OS::get_singleton()->print("Passed %i of %i tests\n", passed, count);
return nullptr;
}
} // namespace TestXMLParser
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