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|
/* $Id: tstRTJson.cpp $ */
/** @file
* IPRT Testcase - JSON API.
*/
/*
* Copyright (C) 2016-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/json.h>
#include <iprt/err.h>
#include <iprt/string.h>
#include <iprt/test.h>
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
static const char g_szJson[] =
"{\n"
" \"integer\": 100,\n"
" \"number\": 22.22,\n"
" \"string\": \"test\",\n"
" \"array\": [1, 2, 3, 4, 5, \"6\"],\n"
" \"subobject\":\n"
" {\n"
" \"false\": false,\n"
" \"true\": true,\n"
" \"null\": null\n"
" }\n"
"}\n";
/**
* Some basic tests to detect malformed JSON.
*/
static void tstBasic(RTTEST hTest)
{
RTTestSub(hTest, "Basic valid/malformed tests");
static struct
{
const char *pszJson;
int iRcResult;
} const aTests[] =
{
{ "", VERR_JSON_MALFORMED },
{ ",", VERR_JSON_MALFORMED },
{ ":", VERR_JSON_MALFORMED },
{ " \n\t{", VERR_JSON_MALFORMED },
{ "}", VERR_JSON_MALFORMED },
{ "[", VERR_JSON_MALFORMED },
{ "]", VERR_JSON_MALFORMED },
{ "[ \"test\" : ", VERR_JSON_MALFORMED },
{ "null", VINF_SUCCESS },
{ "true", VINF_SUCCESS },
{ "false", VINF_SUCCESS },
{ "100", VINF_SUCCESS },
{ "\"test\"", VINF_SUCCESS },
{ "{ }", VINF_SUCCESS },
{ "[ ]", VINF_SUCCESS },
{ "[ 100, 200 ]", VINF_SUCCESS },
{ "{ \"1\": 1 }", VINF_SUCCESS },
{ "{ \"1\": 1, \"2\": 2 }", VINF_SUCCESS },
{ "20", VINF_SUCCESS },
{ "-20", VINF_SUCCESS },
{ "{\"positive\":20}", VINF_SUCCESS },
{ "{\"negative\":-20}", VINF_SUCCESS },
{ "\"\\u0001\"", VINF_SUCCESS },
{ "\"\\u000\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\u00\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\u0\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\u\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\uGhKl\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\u0000z\"", VERR_JSON_INVALID_CODEPOINT },
{ "\"\\uffff\"", VERR_JSON_INVALID_CODEPOINT },
{ "\"\\ufffe\"", VERR_JSON_INVALID_CODEPOINT },
{ "\"\\ufffd\"", VINF_SUCCESS},
{ "\"\\ufffd1\"", VINF_SUCCESS},
{ "\"\\ufffd12\"", VINF_SUCCESS},
{ "\"\\uD801\\udC37\\ud852\\uDf62\"", VINF_SUCCESS }, /* U+10437 U+24B62 */
{ "\"\\uD801 \\udC37\"", VERR_JSON_MISSING_SURROGATE_PAIR },
{ "\"\\uD801udC37\"", VERR_JSON_MISSING_SURROGATE_PAIR },
{ "\"\\uD801\"", VERR_JSON_MISSING_SURROGATE_PAIR },
{ "\"\\uD801\\\"", VERR_JSON_MISSING_SURROGATE_PAIR },
{ "\"\\uD801\\u\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\uD801\\ud\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\uD801\\udc\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\uD801\\udc3\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
{ "\"\\uD801\\uDc37\"", VINF_SUCCESS},
{ "\"\\uDbff\\uDfff\"", VINF_SUCCESS},
{ "\"\\t\\n\\b\\f\\r\\\\\\/\"", VINF_SUCCESS},
};
for (unsigned iTest = 0; iTest < RT_ELEMENTS(aTests); iTest++)
{
RTERRINFOSTATIC ErrInfo;
RTJSONVAL hJsonVal = NIL_RTJSONVAL;
int rc = RTJsonParseFromString(&hJsonVal, aTests[iTest].pszJson, RTErrInfoInitStatic(&ErrInfo));
if (rc != aTests[iTest].iRcResult)
{
if (RTErrInfoIsSet(&ErrInfo.Core))
RTTestFailed(hTest, "RTJsonParseFromString() for \"%s\" failed, expected %Rrc got %Rrc\n%s",
aTests[iTest].pszJson, aTests[iTest].iRcResult, rc, ErrInfo.Core.pszMsg);
else
RTTestFailed(hTest, "RTJsonParseFromString() for \"%s\" failed, expected %Rrc got %Rrc",
aTests[iTest].pszJson, aTests[iTest].iRcResult, rc);
}
else if (rc == VERR_JSON_MALFORMED && !RTErrInfoIsSet(&ErrInfo.Core))
RTTestFailed(hTest, "RTJsonParseFromString() did not return error info for \"%s\" failed", aTests[iTest].pszJson);
if (RT_SUCCESS(rc))
{
if (hJsonVal != NIL_RTJSONVAL)
RTJsonValueRelease(hJsonVal);
else
RTTestFailed(hTest, "RTJsonParseFromString() returned success but no value\n");
}
else if (hJsonVal != NIL_RTJSONVAL)
RTTestFailed(hTest, "RTJsonParseFromString() failed but a JSON value was returned\n");
}
}
/**
* Checks that methods not indended for the given type return the correct error.
*/
static void tstCorrectnessRcForInvalidType(RTTEST hTest, RTJSONVAL hJsonVal, RTJSONVALTYPE enmType)
{
bool fSavedMayPanic = RTAssertSetMayPanic(false);
bool fSavedQuiet = RTAssertSetQuiet(true);
if ( enmType != RTJSONVALTYPE_OBJECT
&& enmType != RTJSONVALTYPE_ARRAY)
{
/* The iterator API should return errors. */
RTJSONIT hJsonIt = NIL_RTJSONIT;
RTTEST_CHECK_RC(hTest, RTJsonIteratorBegin(hJsonVal, &hJsonIt), VERR_JSON_VALUE_INVALID_TYPE);
}
if (enmType != RTJSONVALTYPE_ARRAY)
{
/* The Array access methods should return errors. */
uint32_t cItems = 0;
RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
RTTEST_CHECK(hTest, RTJsonValueGetArraySize(hJsonVal) == 0);
RTTEST_CHECK_RC(hTest, RTJsonValueQueryArraySize(hJsonVal, &cItems), VERR_JSON_VALUE_INVALID_TYPE);
RTTEST_CHECK_RC(hTest, RTJsonValueQueryByIndex(hJsonVal, 0, &hJsonValItem), VERR_JSON_VALUE_INVALID_TYPE);
}
if (enmType != RTJSONVALTYPE_OBJECT)
{
/* The object access methods should return errors. */
RTJSONVAL hJsonValMember = NIL_RTJSONVAL;
RTTEST_CHECK_RC(hTest, RTJsonValueQueryByName(hJsonVal, "test", &hJsonValMember), VERR_JSON_VALUE_INVALID_TYPE);
}
if (enmType != RTJSONVALTYPE_INTEGER)
{
int64_t i64Num = 0;
RTTEST_CHECK_RC(hTest, RTJsonValueQueryInteger(hJsonVal, &i64Num), VERR_JSON_VALUE_INVALID_TYPE);
}
if (enmType != RTJSONVALTYPE_NUMBER)
{
double rdNum = 0.0;
RTTEST_CHECK_RC(hTest, RTJsonValueQueryNumber(hJsonVal, &rdNum), VERR_JSON_VALUE_INVALID_TYPE);
}
if (enmType != RTJSONVALTYPE_STRING)
{
const char *psz = NULL;
RTTEST_CHECK(hTest, RTJsonValueGetString(hJsonVal) == NULL);
RTTEST_CHECK_RC(hTest, RTJsonValueQueryString(hJsonVal, &psz), VERR_JSON_VALUE_INVALID_TYPE);
}
RTAssertSetMayPanic(fSavedMayPanic);
RTAssertSetQuiet(fSavedQuiet);
}
/**
* Tests the array accessors.
*/
static void tstArray(RTTEST hTest, RTJSONVAL hJsonVal)
{
uint32_t cItems = 0;
RTTEST_CHECK(hTest, RTJsonValueGetArraySize(hJsonVal) == 6);
RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryArraySize(hJsonVal, &cItems));
RTTEST_CHECK(hTest, cItems == RTJsonValueGetArraySize(hJsonVal));
for (uint32_t i = 1; i <= 5; i++)
{
int64_t i64Num = 0;
RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryByIndex(hJsonVal, i - 1, &hJsonValItem));
RTTEST_CHECK(hTest, RTJsonValueGetType(hJsonValItem) == RTJSONVALTYPE_INTEGER);
RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryInteger(hJsonValItem, &i64Num));
RTTEST_CHECK(hTest, i64Num == (int64_t)i);
RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValItem) == 1);
}
/* Last should be string. */
const char *pszStr = NULL;
RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryByIndex(hJsonVal, 5, &hJsonValItem));
RTTEST_CHECK(hTest, RTJsonValueGetType(hJsonValItem) == RTJSONVALTYPE_STRING);
RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryString(hJsonValItem, &pszStr));
RTTEST_CHECK(hTest, RTJsonValueGetString(hJsonValItem) == pszStr);
RTTEST_CHECK(hTest, strcmp(pszStr, "6") == 0);
RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValItem) == 1);
}
/**
* Tests the iterator API for the given JSON array or object value.
*/
static void tstIterator(RTTEST hTest, RTJSONVAL hJsonVal)
{
RTJSONIT hJsonIt = NIL_RTJSONIT;
int rc = RTJsonIteratorBegin(hJsonVal, &hJsonIt);
RTTEST_CHECK(hTest, RT_SUCCESS(rc));
if (RT_SUCCESS(rc))
{
const char *pszName = NULL;
RTJSONVAL hJsonValMember = NIL_RTJSONVAL;
rc = RTJsonIteratorQueryValue(hJsonIt, &hJsonValMember, &pszName);
RTTEST_CHECK(hTest, RT_SUCCESS(rc));
RTTEST_CHECK(hTest, pszName != NULL);
RTTEST_CHECK(hTest, hJsonValMember != NIL_RTJSONVAL);
while (RT_SUCCESS(rc))
{
RTJSONVALTYPE enmTypeMember = RTJsonValueGetType(hJsonValMember);
tstCorrectnessRcForInvalidType(hTest, hJsonValMember, enmTypeMember);
switch (enmTypeMember)
{
case RTJSONVALTYPE_OBJECT:
RTTEST_CHECK(hTest, strcmp(pszName, "subobject") == 0);
tstIterator(hTest, hJsonValMember);
break;
case RTJSONVALTYPE_ARRAY:
RTTEST_CHECK(hTest, strcmp(pszName, "array") == 0);
tstArray(hTest, hJsonValMember);
break;
case RTJSONVALTYPE_STRING:
{
RTTEST_CHECK(hTest, strcmp(pszName, "string") == 0);
const char *pszStr = NULL;
RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryString(hJsonValMember, &pszStr));
RTTEST_CHECK(hTest, strcmp(pszStr, "test") == 0);
break;
}
case RTJSONVALTYPE_INTEGER:
{
RTTEST_CHECK(hTest, strcmp(pszName, "integer") == 0);
int64_t i64Num = 0;
RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryInteger(hJsonValMember, &i64Num));
RTTEST_CHECK(hTest, i64Num == 100);
break;
}
case RTJSONVALTYPE_NUMBER:
{
RTTEST_CHECK(hTest, strcmp(pszName, "number") == 0);
double rdNum = 0.0;
RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryNumber(hJsonValMember, &rdNum));
double const rdExpect = 22.22;
RTTEST_CHECK(hTest, rdNum == rdExpect);
break;
}
case RTJSONVALTYPE_NULL:
RTTEST_CHECK(hTest, strcmp(pszName, "null") == 0);
break;
case RTJSONVALTYPE_TRUE:
RTTEST_CHECK(hTest, strcmp(pszName, "true") == 0);
break;
case RTJSONVALTYPE_FALSE:
RTTEST_CHECK(hTest, strcmp(pszName, "false") == 0);
break;
default:
RTTestFailed(hTest, "Invalid JSON value type %u returned\n", enmTypeMember);
}
RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValMember) == 1);
rc = RTJsonIteratorNext(hJsonIt);
RTTEST_CHECK(hTest, rc == VINF_SUCCESS || rc == VERR_JSON_ITERATOR_END);
if (RT_SUCCESS(rc))
RTTEST_CHECK_RC_OK(hTest, RTJsonIteratorQueryValue(hJsonIt, &hJsonValMember, &pszName));
}
RTJsonIteratorFree(hJsonIt);
}
}
/**
* Test that the parser returns the correct values for a valid JSON.
*/
static void tstCorrectness(RTTEST hTest)
{
RTTestSub(hTest, "Correctness");
RTJSONVAL hJsonVal = NIL_RTJSONVAL;
RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonParseFromString(&hJsonVal, g_szJson, NULL));
if (hJsonVal != NIL_RTJSONVAL)
{
RTJSONVALTYPE enmType = RTJsonValueGetType(hJsonVal);
if (enmType == RTJSONVALTYPE_OBJECT)
{
/* Excercise the other non object APIs to return VERR_JSON_VALUE_INVALID_TYPE. */
tstCorrectnessRcForInvalidType(hTest, hJsonVal, enmType);
tstIterator(hTest, hJsonVal);
}
else
RTTestFailed(hTest, "RTJsonParseFromString() returned an invalid JSON value, expected OBJECT got %u\n", enmType);
RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonVal) == 0);
}
else
RTTestFailed(hTest, "RTJsonParseFromString() returned success but no value\n");
}
int main(int argc, char **argv)
{
RTTEST hTest;
int rc = RTTestInitExAndCreate(argc, &argv, 0, "tstRTJson", &hTest);
if (rc)
return rc;
RTTestBanner(hTest);
tstBasic(hTest);
tstCorrectness(hTest);
for (int i = 1; i < argc; i++)
{
RTTestSubF(hTest, "file %Rbn", argv[i]);
RTERRINFOSTATIC ErrInfo;
RTJSONVAL hFileValue = NIL_RTJSONVAL;
rc = RTJsonParseFromFile(&hFileValue, argv[i], RTErrInfoInitStatic(&ErrInfo));
if (RT_SUCCESS(rc))
RTJsonValueRelease(hFileValue);
else if (RTErrInfoIsSet(&ErrInfo.Core))
RTTestFailed(hTest, "%Rrc - %s", rc, ErrInfo.Core.pszMsg);
else
RTTestFailed(hTest, "%Rrc", rc);
}
/*
* Summary.
*/
return RTTestSummaryAndDestroy(hTest);
}
|
