VirtualBox

source: vbox/trunk/src/VBox/Runtime/testcase/tstRTJson.cpp@ 74414

Last change on this file since 74414 was 74350, checked in by vboxsync, 6 years ago

tstRTJson: escape test. bugref:9167

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1/* $Id: tstRTJson.cpp 74350 2018-09-18 19:55:31Z vboxsync $ */
2/** @file
3 * IPRT Testcase - JSON API.
4 */
5
6/*
7 * Copyright (C) 2016-2017 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include <iprt/json.h>
32#include <iprt/string.h>
33#include <iprt/test.h>
34
35
36/*********************************************************************************************************************************
37* Global Variables *
38*********************************************************************************************************************************/
39static const char g_szJson[] =
40 "{\n"
41 " \"integer\": 100,\n"
42 " \"number\": 22.22,\n"
43 " \"string\": \"test\",\n"
44 " \"array\": [1, 2, 3, 4, 5, \"6\"],\n"
45 " \"subobject\":\n"
46 " {\n"
47 " \"false\": false,\n"
48 " \"true\": true,\n"
49 " \"null\": null\n"
50 " }\n"
51 "}\n";
52
53/**
54 * Some basic tests to detect malformed JSON.
55 */
56static void tstBasic(RTTEST hTest)
57{
58 RTTestSub(hTest, "Basic valid/malformed tests");
59 static struct
60 {
61 const char *pszJson;
62 int iRcResult;
63 } const aTests[] =
64 {
65 { "", VERR_JSON_MALFORMED },
66 { ",", VERR_JSON_MALFORMED },
67 { ":", VERR_JSON_MALFORMED },
68 { " \n\t{", VERR_JSON_MALFORMED },
69 { "}", VERR_JSON_MALFORMED },
70 { "[", VERR_JSON_MALFORMED },
71 { "]", VERR_JSON_MALFORMED },
72 { "[ \"test\" : ", VERR_JSON_MALFORMED },
73 { "null", VINF_SUCCESS },
74 { "true", VINF_SUCCESS },
75 { "false", VINF_SUCCESS },
76 { "100", VINF_SUCCESS },
77 { "\"test\"", VINF_SUCCESS },
78 { "{ }", VINF_SUCCESS },
79 { "[ ]", VINF_SUCCESS },
80 { "[ 100, 200 ]", VINF_SUCCESS },
81 { "{ \"1\": 1 }", VINF_SUCCESS },
82 { "{ \"1\": 1, \"2\": 2 }", VINF_SUCCESS },
83 { "20", VINF_SUCCESS },
84 { "-20", VINF_SUCCESS },
85 { "{\"positive\":20}", VINF_SUCCESS },
86 { "{\"negative\":-20}", VINF_SUCCESS },
87 { "\"\\u0001\"", VINF_SUCCESS },
88 { "\"\\u000\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
89 { "\"\\u00\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
90 { "\"\\u0\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
91 { "\"\\u\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
92 { "\"\\uGhKl\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
93 { "\"\\u0000z\"", VERR_JSON_INVALID_CODEPOINT },
94 { "\"\\uffff\"", VERR_JSON_INVALID_CODEPOINT },
95 { "\"\\ufffe\"", VERR_JSON_INVALID_CODEPOINT },
96 { "\"\\ufffd\"", VINF_SUCCESS},
97 { "\"\\ufffd1\"", VINF_SUCCESS},
98 { "\"\\ufffd12\"", VINF_SUCCESS},
99 { "\"\\uD801\\udC37\\ud852\\uDf62\"", VINF_SUCCESS }, /* U+10437 U+24B62 */
100 { "\"\\uD801 \\udC37\"", VERR_JSON_MISSING_SURROGATE_PAIR },
101 { "\"\\uD801udC37\"", VERR_JSON_MISSING_SURROGATE_PAIR },
102 { "\"\\uD801\"", VERR_JSON_MISSING_SURROGATE_PAIR },
103 { "\"\\uD801\\\"", VERR_JSON_MISSING_SURROGATE_PAIR },
104 { "\"\\uD801\\u\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
105 { "\"\\uD801\\ud\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
106 { "\"\\uD801\\udc\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
107 { "\"\\uD801\\udc3\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
108 { "\"\\uD801\\uDc37\"", VINF_SUCCESS},
109 { "\"\\uDbff\\uDfff\"", VINF_SUCCESS},
110 { "\"\\t\\n\\b\\f\\r\\\\\\/\"", VINF_SUCCESS},
111 };
112 for (unsigned iTest = 0; iTest < RT_ELEMENTS(aTests); iTest++)
113 {
114 RTERRINFOSTATIC ErrInfo;
115 RTJSONVAL hJsonVal = NIL_RTJSONVAL;
116 int rc = RTJsonParseFromString(&hJsonVal, aTests[iTest].pszJson, RTErrInfoInitStatic(&ErrInfo));
117 if (rc != aTests[iTest].iRcResult)
118 {
119 if (RTErrInfoIsSet(&ErrInfo.Core))
120 RTTestFailed(hTest, "RTJsonParseFromString() for \"%s\" failed, expected %Rrc got %Rrc\n%s",
121 aTests[iTest].pszJson, aTests[iTest].iRcResult, rc, ErrInfo.Core.pszMsg);
122 else
123 RTTestFailed(hTest, "RTJsonParseFromString() for \"%s\" failed, expected %Rrc got %Rrc",
124 aTests[iTest].pszJson, aTests[iTest].iRcResult, rc);
125 }
126 else if (rc == VERR_JSON_MALFORMED && !RTErrInfoIsSet(&ErrInfo.Core))
127 RTTestFailed(hTest, "RTJsonParseFromString() did not return error info for \"%s\" failed", aTests[iTest].pszJson);
128 if (RT_SUCCESS(rc))
129 {
130 if (hJsonVal != NIL_RTJSONVAL)
131 RTJsonValueRelease(hJsonVal);
132 else
133 RTTestFailed(hTest, "RTJsonParseFromString() returned success but no value\n");
134 }
135 else if (hJsonVal != NIL_RTJSONVAL)
136 RTTestFailed(hTest, "RTJsonParseFromString() failed but a JSON value was returned\n");
137 }
138}
139
140/**
141 * Checks that methods not indended for the given type return the correct error.
142 */
143static void tstCorrectnessRcForInvalidType(RTTEST hTest, RTJSONVAL hJsonVal, RTJSONVALTYPE enmType)
144{
145 bool fSavedMayPanic = RTAssertSetMayPanic(false);
146 bool fSavedQuiet = RTAssertSetQuiet(true);
147
148 if ( enmType != RTJSONVALTYPE_OBJECT
149 && enmType != RTJSONVALTYPE_ARRAY)
150 {
151 /* The iterator API should return errors. */
152 RTJSONIT hJsonIt = NIL_RTJSONIT;
153 RTTEST_CHECK_RC(hTest, RTJsonIteratorBegin(hJsonVal, &hJsonIt), VERR_JSON_VALUE_INVALID_TYPE);
154 }
155
156 if (enmType != RTJSONVALTYPE_ARRAY)
157 {
158 /* The Array access methods should return errors. */
159 uint32_t cItems = 0;
160 RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
161 RTTEST_CHECK(hTest, RTJsonValueGetArraySize(hJsonVal) == 0);
162 RTTEST_CHECK_RC(hTest, RTJsonValueQueryArraySize(hJsonVal, &cItems), VERR_JSON_VALUE_INVALID_TYPE);
163 RTTEST_CHECK_RC(hTest, RTJsonValueQueryByIndex(hJsonVal, 0, &hJsonValItem), VERR_JSON_VALUE_INVALID_TYPE);
164 }
165
166 if (enmType != RTJSONVALTYPE_OBJECT)
167 {
168 /* The object access methods should return errors. */
169 RTJSONVAL hJsonValMember = NIL_RTJSONVAL;
170 RTTEST_CHECK_RC(hTest, RTJsonValueQueryByName(hJsonVal, "test", &hJsonValMember), VERR_JSON_VALUE_INVALID_TYPE);
171 }
172
173 if (enmType != RTJSONVALTYPE_INTEGER)
174 {
175 int64_t i64Num = 0;
176 RTTEST_CHECK_RC(hTest, RTJsonValueQueryInteger(hJsonVal, &i64Num), VERR_JSON_VALUE_INVALID_TYPE);
177 }
178
179 if (enmType != RTJSONVALTYPE_NUMBER)
180 {
181 double rdNum = 0.0;
182 RTTEST_CHECK_RC(hTest, RTJsonValueQueryNumber(hJsonVal, &rdNum), VERR_JSON_VALUE_INVALID_TYPE);
183 }
184
185 if (enmType != RTJSONVALTYPE_STRING)
186 {
187 const char *psz = NULL;
188 RTTEST_CHECK(hTest, RTJsonValueGetString(hJsonVal) == NULL);
189 RTTEST_CHECK_RC(hTest, RTJsonValueQueryString(hJsonVal, &psz), VERR_JSON_VALUE_INVALID_TYPE);
190 }
191
192 RTAssertSetMayPanic(fSavedMayPanic);
193 RTAssertSetQuiet(fSavedQuiet);
194}
195
196/**
197 * Tests the array accessors.
198 */
199static void tstArray(RTTEST hTest, RTJSONVAL hJsonVal)
200{
201 uint32_t cItems = 0;
202 RTTEST_CHECK(hTest, RTJsonValueGetArraySize(hJsonVal) == 6);
203 RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryArraySize(hJsonVal, &cItems));
204 RTTEST_CHECK(hTest, cItems == RTJsonValueGetArraySize(hJsonVal));
205
206 for (uint32_t i = 1; i <= 5; i++)
207 {
208 int64_t i64Num = 0;
209 RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
210 RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryByIndex(hJsonVal, i - 1, &hJsonValItem));
211 RTTEST_CHECK(hTest, RTJsonValueGetType(hJsonValItem) == RTJSONVALTYPE_INTEGER);
212 RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryInteger(hJsonValItem, &i64Num));
213 RTTEST_CHECK(hTest, i64Num == (int64_t)i);
214 RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValItem) == 1);
215 }
216
217 /* Last should be string. */
218 const char *pszStr = NULL;
219 RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
220 RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryByIndex(hJsonVal, 5, &hJsonValItem));
221 RTTEST_CHECK(hTest, RTJsonValueGetType(hJsonValItem) == RTJSONVALTYPE_STRING);
222 RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryString(hJsonValItem, &pszStr));
223 RTTEST_CHECK(hTest, RTJsonValueGetString(hJsonValItem) == pszStr);
224 RTTEST_CHECK(hTest, strcmp(pszStr, "6") == 0);
225 RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValItem) == 1);
226}
227
228/**
229 * Tests the iterator API for the given JSON array or object value.
230 */
231static void tstIterator(RTTEST hTest, RTJSONVAL hJsonVal)
232{
233 RTJSONIT hJsonIt = NIL_RTJSONIT;
234 int rc = RTJsonIteratorBegin(hJsonVal, &hJsonIt);
235 RTTEST_CHECK(hTest, RT_SUCCESS(rc));
236 if (RT_SUCCESS(rc))
237 {
238 const char *pszName = NULL;
239 RTJSONVAL hJsonValMember = NIL_RTJSONVAL;
240 rc = RTJsonIteratorQueryValue(hJsonIt, &hJsonValMember, &pszName);
241 RTTEST_CHECK(hTest, RT_SUCCESS(rc));
242 RTTEST_CHECK(hTest, pszName != NULL);
243 RTTEST_CHECK(hTest, hJsonValMember != NIL_RTJSONVAL);
244 while (RT_SUCCESS(rc))
245 {
246 RTJSONVALTYPE enmTypeMember = RTJsonValueGetType(hJsonValMember);
247 tstCorrectnessRcForInvalidType(hTest, hJsonValMember, enmTypeMember);
248
249 switch (enmTypeMember)
250 {
251 case RTJSONVALTYPE_OBJECT:
252 RTTEST_CHECK(hTest, strcmp(pszName, "subobject") == 0);
253 tstIterator(hTest, hJsonValMember);
254 break;
255 case RTJSONVALTYPE_ARRAY:
256 RTTEST_CHECK(hTest, strcmp(pszName, "array") == 0);
257 tstArray(hTest, hJsonValMember);
258 break;
259 case RTJSONVALTYPE_STRING:
260 {
261 RTTEST_CHECK(hTest, strcmp(pszName, "string") == 0);
262 const char *pszStr = NULL;
263 RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryString(hJsonValMember, &pszStr));
264 RTTEST_CHECK(hTest, strcmp(pszStr, "test") == 0);
265 break;
266 }
267 case RTJSONVALTYPE_INTEGER:
268 {
269 RTTEST_CHECK(hTest, strcmp(pszName, "integer") == 0);
270 int64_t i64Num = 0;
271 RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryInteger(hJsonValMember, &i64Num));
272 RTTEST_CHECK(hTest, i64Num == 100);
273 break;
274 }
275 case RTJSONVALTYPE_NUMBER:
276 {
277 RTTEST_CHECK(hTest, strcmp(pszName, "number") == 0);
278 double rdNum = 0.0;
279 RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryNumber(hJsonValMember, &rdNum));
280 double const rdExpect = 22.22;
281 RTTEST_CHECK(hTest, rdNum == rdExpect);
282 break;
283 }
284 case RTJSONVALTYPE_NULL:
285 RTTEST_CHECK(hTest, strcmp(pszName, "null") == 0);
286 break;
287 case RTJSONVALTYPE_TRUE:
288 RTTEST_CHECK(hTest, strcmp(pszName, "true") == 0);
289 break;
290 case RTJSONVALTYPE_FALSE:
291 RTTEST_CHECK(hTest, strcmp(pszName, "false") == 0);
292 break;
293 default:
294 RTTestFailed(hTest, "Invalid JSON value type %u returned\n", enmTypeMember);
295 }
296
297 RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValMember) == 1);
298 rc = RTJsonIteratorNext(hJsonIt);
299 RTTEST_CHECK(hTest, rc == VINF_SUCCESS || rc == VERR_JSON_ITERATOR_END);
300 if (RT_SUCCESS(rc))
301 RTTEST_CHECK_RC_OK(hTest, RTJsonIteratorQueryValue(hJsonIt, &hJsonValMember, &pszName));
302 }
303 RTJsonIteratorFree(hJsonIt);
304 }
305}
306
307/**
308 * Test that the parser returns the correct values for a valid JSON.
309 */
310static void tstCorrectness(RTTEST hTest)
311{
312 RTTestSub(hTest, "Correctness");
313
314 RTJSONVAL hJsonVal = NIL_RTJSONVAL;
315 RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonParseFromString(&hJsonVal, g_szJson, NULL));
316
317 if (hJsonVal != NIL_RTJSONVAL)
318 {
319 RTJSONVALTYPE enmType = RTJsonValueGetType(hJsonVal);
320 if (enmType == RTJSONVALTYPE_OBJECT)
321 {
322 /* Excercise the other non object APIs to return VERR_JSON_VALUE_INVALID_TYPE. */
323 tstCorrectnessRcForInvalidType(hTest, hJsonVal, enmType);
324 tstIterator(hTest, hJsonVal);
325 }
326 else
327 RTTestFailed(hTest, "RTJsonParseFromString() returned an invalid JSON value, expected OBJECT got %u\n", enmType);
328 RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonVal) == 0);
329 }
330 else
331 RTTestFailed(hTest, "RTJsonParseFromString() returned success but no value\n");
332}
333
334int main(int argc, char **argv)
335{
336 RTTEST hTest;
337 int rc = RTTestInitExAndCreate(argc, &argv, 0, "tstRTJson", &hTest);
338 if (rc)
339 return rc;
340 RTTestBanner(hTest);
341
342 tstBasic(hTest);
343 tstCorrectness(hTest);
344 for (int i = 1; i < argc; i++)
345 {
346 RTTestSubF(hTest, "file %Rbn", argv[i]);
347 RTERRINFOSTATIC ErrInfo;
348 RTJSONVAL hFileValue = NIL_RTJSONVAL;
349 rc = RTJsonParseFromFile(&hFileValue, argv[i], RTErrInfoInitStatic(&ErrInfo));
350 if (RT_SUCCESS(rc))
351 RTJsonValueRelease(hFileValue);
352 else if (RTErrInfoIsSet(&ErrInfo.Core))
353 RTTestFailed(hTest, "%Rrc - %s", rc, ErrInfo.Core.pszMsg);
354 else
355 RTTestFailed(hTest, "%Rrc", rc);
356 }
357
358 /*
359 * Summary.
360 */
361 return RTTestSummaryAndDestroy(hTest);
362}
363
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