| 1 | /* $Id: tstRTJson.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - JSON API.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2016-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/json.h>
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| 32 |
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| 33 | #include <iprt/err.h>
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| 34 | #include <iprt/string.h>
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| 35 | #include <iprt/test.h>
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Global Variables *
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| 40 | *********************************************************************************************************************************/
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| 41 | static const char g_szJson[] =
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| 42 | "{\n"
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| 43 | " \"integer\": 100,\n"
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| 44 | " \"number\": 22.22,\n"
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| 45 | " \"string\": \"test\",\n"
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| 46 | " \"array\": [1, 2, 3, 4, 5, \"6\"],\n"
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| 47 | " \"subobject\":\n"
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| 48 | " {\n"
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| 49 | " \"false\": false,\n"
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| 50 | " \"true\": true,\n"
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| 51 | " \"null\": null\n"
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| 52 | " }\n"
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| 53 | "}\n";
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| 54 |
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| 55 | /**
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| 56 | * Some basic tests to detect malformed JSON.
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| 57 | */
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| 58 | static void tstBasic(RTTEST hTest)
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| 59 | {
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| 60 | RTTestSub(hTest, "Basic valid/malformed tests");
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| 61 | static struct
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| 62 | {
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| 63 | const char *pszJson;
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| 64 | int iRcResult;
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| 65 | } const aTests[] =
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| 66 | {
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| 67 | { "", VERR_JSON_MALFORMED },
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| 68 | { ",", VERR_JSON_MALFORMED },
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| 69 | { ":", VERR_JSON_MALFORMED },
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| 70 | { " \n\t{", VERR_JSON_MALFORMED },
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| 71 | { "}", VERR_JSON_MALFORMED },
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| 72 | { "[", VERR_JSON_MALFORMED },
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| 73 | { "]", VERR_JSON_MALFORMED },
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| 74 | { "[ \"test\" : ", VERR_JSON_MALFORMED },
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| 75 | { "null", VINF_SUCCESS },
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| 76 | { "true", VINF_SUCCESS },
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| 77 | { "false", VINF_SUCCESS },
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| 78 | { "100", VINF_SUCCESS },
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| 79 | { "\"test\"", VINF_SUCCESS },
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| 80 | { "{ }", VINF_SUCCESS },
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| 81 | { "[ ]", VINF_SUCCESS },
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| 82 | { "[ 100, 200 ]", VINF_SUCCESS },
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| 83 | { "{ \"1\": 1 }", VINF_SUCCESS },
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| 84 | { "{ \"1\": 1, \"2\": 2 }", VINF_SUCCESS },
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| 85 | { "20", VINF_SUCCESS },
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| 86 | { "-20", VINF_SUCCESS },
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| 87 | { "{\"positive\":20}", VINF_SUCCESS },
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| 88 | { "{\"negative\":-20}", VINF_SUCCESS },
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| 89 | { "\"\\u0001\"", VINF_SUCCESS },
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| 90 | { "\"\\u000\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 91 | { "\"\\u00\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 92 | { "\"\\u0\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 93 | { "\"\\u\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 94 | { "\"\\uGhKl\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 95 | { "\"\\u0000z\"", VERR_JSON_INVALID_CODEPOINT },
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| 96 | { "\"\\uffff\"", VERR_JSON_INVALID_CODEPOINT },
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| 97 | { "\"\\ufffe\"", VERR_JSON_INVALID_CODEPOINT },
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| 98 | { "\"\\ufffd\"", VINF_SUCCESS},
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| 99 | { "\"\\ufffd1\"", VINF_SUCCESS},
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| 100 | { "\"\\ufffd12\"", VINF_SUCCESS},
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| 101 | { "\"\\uD801\\udC37\\ud852\\uDf62\"", VINF_SUCCESS }, /* U+10437 U+24B62 */
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| 102 | { "\"\\uD801 \\udC37\"", VERR_JSON_MISSING_SURROGATE_PAIR },
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| 103 | { "\"\\uD801udC37\"", VERR_JSON_MISSING_SURROGATE_PAIR },
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| 104 | { "\"\\uD801\"", VERR_JSON_MISSING_SURROGATE_PAIR },
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| 105 | { "\"\\uD801\\\"", VERR_JSON_MISSING_SURROGATE_PAIR },
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| 106 | { "\"\\uD801\\u\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 107 | { "\"\\uD801\\ud\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 108 | { "\"\\uD801\\udc\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 109 | { "\"\\uD801\\udc3\"", VERR_JSON_INVALID_UTF16_ESCAPE_SEQUENCE },
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| 110 | { "\"\\uD801\\uDc37\"", VINF_SUCCESS},
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| 111 | { "\"\\uDbff\\uDfff\"", VINF_SUCCESS},
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| 112 | { "\"\\t\\n\\b\\f\\r\\\\\\/\"", VINF_SUCCESS},
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| 113 | };
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| 114 | for (unsigned iTest = 0; iTest < RT_ELEMENTS(aTests); iTest++)
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| 115 | {
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| 116 | RTERRINFOSTATIC ErrInfo;
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| 117 | RTJSONVAL hJsonVal = NIL_RTJSONVAL;
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| 118 | int rc = RTJsonParseFromString(&hJsonVal, aTests[iTest].pszJson, RTErrInfoInitStatic(&ErrInfo));
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| 119 | if (rc != aTests[iTest].iRcResult)
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| 120 | {
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| 121 | if (RTErrInfoIsSet(&ErrInfo.Core))
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| 122 | RTTestFailed(hTest, "RTJsonParseFromString() for \"%s\" failed, expected %Rrc got %Rrc\n%s",
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| 123 | aTests[iTest].pszJson, aTests[iTest].iRcResult, rc, ErrInfo.Core.pszMsg);
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| 124 | else
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| 125 | RTTestFailed(hTest, "RTJsonParseFromString() for \"%s\" failed, expected %Rrc got %Rrc",
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| 126 | aTests[iTest].pszJson, aTests[iTest].iRcResult, rc);
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| 127 | }
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| 128 | else if (rc == VERR_JSON_MALFORMED && !RTErrInfoIsSet(&ErrInfo.Core))
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| 129 | RTTestFailed(hTest, "RTJsonParseFromString() did not return error info for \"%s\" failed", aTests[iTest].pszJson);
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| 130 | if (RT_SUCCESS(rc))
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| 131 | {
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| 132 | if (hJsonVal != NIL_RTJSONVAL)
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| 133 | RTJsonValueRelease(hJsonVal);
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| 134 | else
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| 135 | RTTestFailed(hTest, "RTJsonParseFromString() returned success but no value\n");
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| 136 | }
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| 137 | else if (hJsonVal != NIL_RTJSONVAL)
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| 138 | RTTestFailed(hTest, "RTJsonParseFromString() failed but a JSON value was returned\n");
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| 139 | }
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| 140 | }
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| 141 |
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| 142 | /**
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| 143 | * Checks that methods not indended for the given type return the correct error.
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| 144 | */
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| 145 | static void tstCorrectnessRcForInvalidType(RTTEST hTest, RTJSONVAL hJsonVal, RTJSONVALTYPE enmType)
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| 146 | {
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| 147 | bool fSavedMayPanic = RTAssertSetMayPanic(false);
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| 148 | bool fSavedQuiet = RTAssertSetQuiet(true);
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| 149 |
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| 150 | if ( enmType != RTJSONVALTYPE_OBJECT
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| 151 | && enmType != RTJSONVALTYPE_ARRAY)
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| 152 | {
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| 153 | /* The iterator API should return errors. */
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| 154 | RTJSONIT hJsonIt = NIL_RTJSONIT;
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| 155 | RTTEST_CHECK_RC(hTest, RTJsonIteratorBegin(hJsonVal, &hJsonIt), VERR_JSON_VALUE_INVALID_TYPE);
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| 156 | }
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| 157 |
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| 158 | if (enmType != RTJSONVALTYPE_ARRAY)
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| 159 | {
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| 160 | /* The Array access methods should return errors. */
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| 161 | uint32_t cItems = 0;
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| 162 | RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
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| 163 | RTTEST_CHECK(hTest, RTJsonValueGetArraySize(hJsonVal) == 0);
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| 164 | RTTEST_CHECK_RC(hTest, RTJsonValueQueryArraySize(hJsonVal, &cItems), VERR_JSON_VALUE_INVALID_TYPE);
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| 165 | RTTEST_CHECK_RC(hTest, RTJsonValueQueryByIndex(hJsonVal, 0, &hJsonValItem), VERR_JSON_VALUE_INVALID_TYPE);
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| 166 | }
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| 167 |
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| 168 | if (enmType != RTJSONVALTYPE_OBJECT)
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| 169 | {
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| 170 | /* The object access methods should return errors. */
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| 171 | RTJSONVAL hJsonValMember = NIL_RTJSONVAL;
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| 172 | RTTEST_CHECK_RC(hTest, RTJsonValueQueryByName(hJsonVal, "test", &hJsonValMember), VERR_JSON_VALUE_INVALID_TYPE);
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| 173 | }
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| 174 |
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| 175 | if (enmType != RTJSONVALTYPE_INTEGER)
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| 176 | {
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| 177 | int64_t i64Num = 0;
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| 178 | RTTEST_CHECK_RC(hTest, RTJsonValueQueryInteger(hJsonVal, &i64Num), VERR_JSON_VALUE_INVALID_TYPE);
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| 179 | }
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| 180 |
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| 181 | if (enmType != RTJSONVALTYPE_NUMBER)
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| 182 | {
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| 183 | double rdNum = 0.0;
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| 184 | RTTEST_CHECK_RC(hTest, RTJsonValueQueryNumber(hJsonVal, &rdNum), VERR_JSON_VALUE_INVALID_TYPE);
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| 185 | }
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| 186 |
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| 187 | if (enmType != RTJSONVALTYPE_STRING)
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| 188 | {
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| 189 | const char *psz = NULL;
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| 190 | RTTEST_CHECK(hTest, RTJsonValueGetString(hJsonVal) == NULL);
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| 191 | RTTEST_CHECK_RC(hTest, RTJsonValueQueryString(hJsonVal, &psz), VERR_JSON_VALUE_INVALID_TYPE);
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| 192 | }
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| 193 |
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| 194 | RTAssertSetMayPanic(fSavedMayPanic);
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| 195 | RTAssertSetQuiet(fSavedQuiet);
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| 196 | }
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| 197 |
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| 198 | /**
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| 199 | * Tests the array accessors.
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| 200 | */
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| 201 | static void tstArray(RTTEST hTest, RTJSONVAL hJsonVal)
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| 202 | {
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| 203 | uint32_t cItems = 0;
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| 204 | RTTEST_CHECK(hTest, RTJsonValueGetArraySize(hJsonVal) == 6);
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| 205 | RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryArraySize(hJsonVal, &cItems));
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| 206 | RTTEST_CHECK(hTest, cItems == RTJsonValueGetArraySize(hJsonVal));
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| 207 |
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| 208 | for (uint32_t i = 1; i <= 5; i++)
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| 209 | {
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| 210 | int64_t i64Num = 0;
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| 211 | RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
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| 212 | RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryByIndex(hJsonVal, i - 1, &hJsonValItem));
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| 213 | RTTEST_CHECK(hTest, RTJsonValueGetType(hJsonValItem) == RTJSONVALTYPE_INTEGER);
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| 214 | RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryInteger(hJsonValItem, &i64Num));
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| 215 | RTTEST_CHECK(hTest, i64Num == (int64_t)i);
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| 216 | RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValItem) == 1);
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| 217 | }
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| 218 |
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| 219 | /* Last should be string. */
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| 220 | const char *pszStr = NULL;
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| 221 | RTJSONVAL hJsonValItem = NIL_RTJSONVAL;
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| 222 | RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryByIndex(hJsonVal, 5, &hJsonValItem));
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| 223 | RTTEST_CHECK(hTest, RTJsonValueGetType(hJsonValItem) == RTJSONVALTYPE_STRING);
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| 224 | RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonValueQueryString(hJsonValItem, &pszStr));
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| 225 | RTTEST_CHECK(hTest, RTJsonValueGetString(hJsonValItem) == pszStr);
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| 226 | RTTEST_CHECK(hTest, strcmp(pszStr, "6") == 0);
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| 227 | RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValItem) == 1);
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| 228 | }
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| 229 |
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| 230 | /**
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| 231 | * Tests the iterator API for the given JSON array or object value.
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| 232 | */
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| 233 | static void tstIterator(RTTEST hTest, RTJSONVAL hJsonVal)
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| 234 | {
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| 235 | RTJSONIT hJsonIt = NIL_RTJSONIT;
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| 236 | int rc = RTJsonIteratorBegin(hJsonVal, &hJsonIt);
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| 237 | RTTEST_CHECK(hTest, RT_SUCCESS(rc));
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| 238 | if (RT_SUCCESS(rc))
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| 239 | {
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| 240 | const char *pszName = NULL;
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| 241 | RTJSONVAL hJsonValMember = NIL_RTJSONVAL;
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| 242 | rc = RTJsonIteratorQueryValue(hJsonIt, &hJsonValMember, &pszName);
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| 243 | RTTEST_CHECK(hTest, RT_SUCCESS(rc));
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| 244 | RTTEST_CHECK(hTest, pszName != NULL);
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| 245 | RTTEST_CHECK(hTest, hJsonValMember != NIL_RTJSONVAL);
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| 246 | while (RT_SUCCESS(rc))
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| 247 | {
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| 248 | RTJSONVALTYPE enmTypeMember = RTJsonValueGetType(hJsonValMember);
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| 249 | tstCorrectnessRcForInvalidType(hTest, hJsonValMember, enmTypeMember);
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| 250 |
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| 251 | switch (enmTypeMember)
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| 252 | {
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| 253 | case RTJSONVALTYPE_OBJECT:
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| 254 | RTTEST_CHECK(hTest, strcmp(pszName, "subobject") == 0);
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| 255 | tstIterator(hTest, hJsonValMember);
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| 256 | break;
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| 257 | case RTJSONVALTYPE_ARRAY:
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| 258 | RTTEST_CHECK(hTest, strcmp(pszName, "array") == 0);
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| 259 | tstArray(hTest, hJsonValMember);
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| 260 | break;
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| 261 | case RTJSONVALTYPE_STRING:
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| 262 | {
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| 263 | RTTEST_CHECK(hTest, strcmp(pszName, "string") == 0);
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| 264 | const char *pszStr = NULL;
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| 265 | RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryString(hJsonValMember, &pszStr));
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| 266 | RTTEST_CHECK(hTest, strcmp(pszStr, "test") == 0);
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| 267 | break;
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| 268 | }
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| 269 | case RTJSONVALTYPE_INTEGER:
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| 270 | {
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| 271 | RTTEST_CHECK(hTest, strcmp(pszName, "integer") == 0);
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| 272 | int64_t i64Num = 0;
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| 273 | RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryInteger(hJsonValMember, &i64Num));
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| 274 | RTTEST_CHECK(hTest, i64Num == 100);
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| 275 | break;
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| 276 | }
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| 277 | case RTJSONVALTYPE_NUMBER:
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| 278 | {
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| 279 | RTTEST_CHECK(hTest, strcmp(pszName, "number") == 0);
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| 280 | double rdNum = 0.0;
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| 281 | RTTEST_CHECK_RC_OK(hTest, RTJsonValueQueryNumber(hJsonValMember, &rdNum));
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| 282 | double const rdExpect = 22.22;
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| 283 | RTTEST_CHECK(hTest, rdNum == rdExpect);
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| 284 | break;
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| 285 | }
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| 286 | case RTJSONVALTYPE_NULL:
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| 287 | RTTEST_CHECK(hTest, strcmp(pszName, "null") == 0);
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| 288 | break;
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| 289 | case RTJSONVALTYPE_TRUE:
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| 290 | RTTEST_CHECK(hTest, strcmp(pszName, "true") == 0);
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| 291 | break;
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| 292 | case RTJSONVALTYPE_FALSE:
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| 293 | RTTEST_CHECK(hTest, strcmp(pszName, "false") == 0);
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| 294 | break;
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| 295 | default:
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| 296 | RTTestFailed(hTest, "Invalid JSON value type %u returned\n", enmTypeMember);
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| 297 | }
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| 298 |
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| 299 | RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonValMember) == 1);
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| 300 | rc = RTJsonIteratorNext(hJsonIt);
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| 301 | RTTEST_CHECK(hTest, rc == VINF_SUCCESS || rc == VERR_JSON_ITERATOR_END);
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| 302 | if (RT_SUCCESS(rc))
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| 303 | RTTEST_CHECK_RC_OK(hTest, RTJsonIteratorQueryValue(hJsonIt, &hJsonValMember, &pszName));
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| 304 | }
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| 305 | RTJsonIteratorFree(hJsonIt);
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| 306 | }
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| 307 | }
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| 308 |
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| 309 | /**
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| 310 | * Test that the parser returns the correct values for a valid JSON.
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| 311 | */
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| 312 | static void tstCorrectness(RTTEST hTest)
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| 313 | {
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| 314 | RTTestSub(hTest, "Correctness");
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| 315 |
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| 316 | RTJSONVAL hJsonVal = NIL_RTJSONVAL;
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| 317 | RTTEST_CHECK_RC_OK_RETV(hTest, RTJsonParseFromString(&hJsonVal, g_szJson, NULL));
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| 318 |
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| 319 | if (hJsonVal != NIL_RTJSONVAL)
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| 320 | {
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| 321 | RTJSONVALTYPE enmType = RTJsonValueGetType(hJsonVal);
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| 322 | if (enmType == RTJSONVALTYPE_OBJECT)
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| 323 | {
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| 324 | /* Excercise the other non object APIs to return VERR_JSON_VALUE_INVALID_TYPE. */
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| 325 | tstCorrectnessRcForInvalidType(hTest, hJsonVal, enmType);
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| 326 | tstIterator(hTest, hJsonVal);
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| 327 | }
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| 328 | else
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| 329 | RTTestFailed(hTest, "RTJsonParseFromString() returned an invalid JSON value, expected OBJECT got %u\n", enmType);
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| 330 | RTTEST_CHECK(hTest, RTJsonValueRelease(hJsonVal) == 0);
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| 331 | }
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| 332 | else
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| 333 | RTTestFailed(hTest, "RTJsonParseFromString() returned success but no value\n");
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| 334 | }
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| 335 |
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| 336 | int main(int argc, char **argv)
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| 337 | {
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| 338 | RTTEST hTest;
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| 339 | int rc = RTTestInitExAndCreate(argc, &argv, 0, "tstRTJson", &hTest);
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| 340 | if (rc)
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| 341 | return rc;
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| 342 | RTTestBanner(hTest);
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| 343 |
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| 344 | tstBasic(hTest);
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| 345 | tstCorrectness(hTest);
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| 346 | for (int i = 1; i < argc; i++)
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| 347 | {
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| 348 | RTTestSubF(hTest, "file %Rbn", argv[i]);
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| 349 | RTERRINFOSTATIC ErrInfo;
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| 350 | RTJSONVAL hFileValue = NIL_RTJSONVAL;
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| 351 | rc = RTJsonParseFromFile(&hFileValue, argv[i], RTErrInfoInitStatic(&ErrInfo));
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| 352 | if (RT_SUCCESS(rc))
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| 353 | RTJsonValueRelease(hFileValue);
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| 354 | else if (RTErrInfoIsSet(&ErrInfo.Core))
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| 355 | RTTestFailed(hTest, "%Rrc - %s", rc, ErrInfo.Core.pszMsg);
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| 356 | else
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| 357 | RTTestFailed(hTest, "%Rrc", rc);
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| 358 | }
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| 359 |
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| 360 | /*
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| 361 | * Summary.
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| 362 | */
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| 363 | return RTTestSummaryAndDestroy(hTest);
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| 364 | }
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| 365 |
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