aria2/test/ValueBaseJsonParserTest.cc
2013-07-11 21:09:51 +09:00

285 lines
8.5 KiB
C++

#include "ValueBaseJsonParser.h"
#include <cppunit/extensions/HelperMacros.h>
#include "RecoverableException.h"
#include "array_fun.h"
#include "ValueBase.h"
namespace aria2 {
class ValueBaseJsonParserTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(ValueBaseJsonParserTest);
CPPUNIT_TEST(testParseUpdate);
CPPUNIT_TEST(testParseUpdate_error);
CPPUNIT_TEST_SUITE_END();
private:
public:
void testParseUpdate();
void testParseUpdate_error();
};
CPPUNIT_TEST_SUITE_REGISTRATION( ValueBaseJsonParserTest );
void ValueBaseJsonParserTest::testParseUpdate()
{
json::ValueBaseJsonParser parser;
ssize_t error;
{
// empty object
std::string src = "{}";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto dict = downcast<Dict>(r);
CPPUNIT_ASSERT(dict);
}
{
// empty object
std::string src = "{ }";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto dict = downcast<Dict>(r);
CPPUNIT_ASSERT(dict);
}
{
// empty array
std::string src = "[]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
}
{
// empty array
std::string src = "[ ]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
}
{
// empty string
std::string src = "[\"\"]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string(), s->s());
}
{
// string
std::string src = "[\"foobar\"]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("foobar"), s->s());
}
{
// string with escape
std::string src = "[\"\\\\foo\\\"\\\"bar\"]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("\\foo\"\"bar"), s->s());
}
{
// string with escape
std::string src = "[\"foo\\\"\"]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("foo\""), s->s());
}
{
// string: utf-8 1 to 3 bytes.
std::string src = "[\"\\u0024\\u00A2\\u20AC\"]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("$¢€"), s->s());
}
{
// string: utf-8 4 bytes
std::string src = "[\"\\uD852\\uDF62\"]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
const unsigned char arr[] = { 0xF0u, 0xA4u, 0xADu, 0xA2u };
CPPUNIT_ASSERT_EQUAL(std::string(std::begin(arr), std::end(arr)), s->s());
}
{
// null
std::string src = "[null]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
const Null* s = downcast<Null>(list->get(0));
CPPUNIT_ASSERT(s);
}
{
// true, false
std::string src = "[true, false]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
const Bool* trueValue = downcast<Bool>(list->get(0));
CPPUNIT_ASSERT(trueValue);
CPPUNIT_ASSERT(trueValue->val());
const Bool* falseValue = downcast<Bool>(list->get(1));
CPPUNIT_ASSERT(falseValue);
CPPUNIT_ASSERT(!falseValue->val());
}
{
// object: 1 member
std::string src = "{\"foo\":[\"bar\"]}";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
const Dict* dict = downcast<Dict>(r);
CPPUNIT_ASSERT(dict);
auto list = downcast<List>(dict->get("foo"));
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("bar"), s->s());
}
{
// object: 2 members
// TODO ValueBaseJsonParser does not allow empty dict key
std::string src = "{\"foo\":[\"bar\"], \"alpha\" : \"bravo\"}";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
const Dict* dict = downcast<Dict>(r);
CPPUNIT_ASSERT(dict);
auto list = downcast<List>(dict->get("foo"));
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("bar"), s->s());
auto str = downcast<String>(dict->get("alpha"));
CPPUNIT_ASSERT_EQUAL(std::string("bravo"), str->s());
}
{
// array: 2 values
std::string src = "[\"foo\", {}]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("foo"), s->s());
const Dict* dict = downcast<Dict>(list->get(1));
CPPUNIT_ASSERT(dict);
}
{
// Number: currently we ignore frac and exp
std::string src = "[0,-1,1.2,-1.2e-10,-1e10]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
const Integer* i = downcast<Integer>(list->get(0));
CPPUNIT_ASSERT_EQUAL((Integer::ValueType)0, i->i());
const Integer* i1 = downcast<Integer>(list->get(1));
CPPUNIT_ASSERT_EQUAL((Integer::ValueType)-1, i1->i());
const Integer* i2 = downcast<Integer>(list->get(2));
CPPUNIT_ASSERT_EQUAL((Integer::ValueType)1, i2->i());
const Integer* i3 = downcast<Integer>(list->get(3));
CPPUNIT_ASSERT_EQUAL((Integer::ValueType)-1, i3->i());
const Integer* i4 = downcast<Integer>(list->get(4));
CPPUNIT_ASSERT_EQUAL((Integer::ValueType)-1, i4->i());
}
{
// escape chars: ", \, /, \b, \f, \n, \r, \t
std::string src = "[\"\\\"\\\\\\/\\b\\f\\n\\r\\t\"]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("\"\\/\b\f\n\r\t"), s->s());
}
{
// string: literal + escaped chars.
std::string src = "[\"foo\\u0024b\\u00A2\\u20ACbaz\"]";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
auto s = downcast<String>(list->get(0));
CPPUNIT_ASSERT_EQUAL(std::string("foo$b¢€baz"), s->s());
}
{
// ignore garbage at the end of the input.
std::string src = "[]trail";
auto r = parser.parseFinal(src.c_str(), src.size(), error);
auto list = downcast<List>(r);
CPPUNIT_ASSERT(list);
CPPUNIT_ASSERT_EQUAL((ssize_t)2, error);
}
}
namespace {
void checkDecodeError(const std::string& src)
{
json::ValueBaseJsonParser parser;
ssize_t error;
auto r = parser.parseFinal(src.c_str(), src.size(), error);
CPPUNIT_ASSERT(!r);
CPPUNIT_ASSERT(error < 0);
}
} // namespace
void ValueBaseJsonParserTest::testParseUpdate_error()
{
// object
checkDecodeError("{");
// object
checkDecodeError("}");
// object
checkDecodeError("{\"\":");
// object
checkDecodeError("{\"\":\"\",");
// array
checkDecodeError("[");
// array
checkDecodeError("]");
// array
checkDecodeError("[\"\"");
// array
checkDecodeError("[\"\",");
// string
checkDecodeError("[\"foo]");
// string
checkDecodeError("[\"\\u\"]");
// string
checkDecodeError("[\"\\u");
// string
checkDecodeError("[\"\\u000\"]");
// string
checkDecodeError("[\"\\u000");
// string
checkDecodeError("[\"\\uD852foo\"]");
// string
checkDecodeError("[\"\\uD852");
// string
checkDecodeError("[\"\\uD852\\u\"]");
// string
checkDecodeError("[\"\\uD852\\u");
// string
checkDecodeError("[\"\\uD852\\u0000\"]");
// string
checkDecodeError("[\"\\uD852\\uDF62");
// object
checkDecodeError("{:\"\"}");
// object
checkDecodeError("{\"foo\":}");
// number
// TODO ValueBaseJsonParser allows leading zeros
//checkDecodeError("[00]");
// number
checkDecodeError("[1.]");
// number
checkDecodeError("[1.1e]");
// bool
checkDecodeError("[t");
// too deep structure
checkDecodeError(std::string(51, '[')+std::string(51,']'));
checkDecodeError(std::string(50, '[')+"{\"foo\":100}"+std::string(50,']'));
}
} // namespace aria2