| 1 | /* $Id: tstRTExprEval.cpp 93170 2022-01-11 00:50:22Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - RTExprEval
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2022 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.alldomusa.eu.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/expreval.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 RTTEST g_hTest;
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| 42 | static bool g_fQueryVariableExpected = false;
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| 43 |
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| 44 |
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| 45 |
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| 46 | /** @callbackmethodimpl{PFNRTEXPREVALQUERYVARIABLE} */
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| 47 | static DECLCALLBACK(int) tstBasicQueryVariable(const char *pchName, size_t cchName, void *pvUser, char **ppszValue)
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| 48 | {
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| 49 | RTTESTI_CHECK(pvUser == (void *)g_hTest);
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| 50 | RTTESTI_CHECK_RET(g_fQueryVariableExpected, VERR_WRONG_ORDER);
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| 51 |
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| 52 | #define MATCH_VAR(a_szVariable) \
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| 53 | (cchName == sizeof(a_szVariable) - 1 && memcmp(pchName, a_szVariable, sizeof(a_szVariable) - 1) == 0)
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| 54 | const char *pszValue;
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| 55 | if (MATCH_VAR("MYVAR1"))
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| 56 | pszValue = "42";
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| 57 | else if (MATCH_VAR("MYVAR2"))
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| 58 | pszValue = "string";
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| 59 | else if (MATCH_VAR("MYNESTED1"))
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| 60 | pszValue = "MYVAR1";
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| 61 | else
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| 62 | return VERR_NOT_FOUND;
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| 63 |
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| 64 | if (ppszValue)
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| 65 | return RTStrDupEx(ppszValue, pszValue);
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| 66 | return VINF_SUCCESS;
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| 67 | }
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| 68 |
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| 69 |
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| 70 | static void tstBasic(void)
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| 71 | {
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| 72 | RTTestISub("Basics");
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| 73 |
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| 74 | RTEXPREVAL hExprEval;
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| 75 | RTTESTI_CHECK_RC_RETV(RTExprEvalCreate(&hExprEval, 0, "basics", NULL, NULL), VINF_SUCCESS);
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| 76 | RTTESTI_CHECK_RETV(hExprEval != NIL_RTEXPREVAL);
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| 77 | RTTESTI_CHECK_RETV(RTExprEvalRelease(hExprEval) == 0);
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| 78 |
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| 79 | RTTESTI_CHECK_RC_RETV(RTExprEvalCreate(&hExprEval, 0, "basics", g_hTest, tstBasicQueryVariable), VINF_SUCCESS);
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| 80 | RTTESTI_CHECK_RETV(hExprEval != NIL_RTEXPREVAL);
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| 81 |
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| 82 | bool fResult;
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| 83 | #define CHECK_fResult(a_fExpect) do { \
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| 84 | if (fResult != (a_fExpect)) RTTestIFailed("line %u: fResult=%RTbool, expected %RTbool", __LINE__, fResult, (a_fExpect)); \
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| 85 | } while (0)
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| 86 | RTTESTI_CHECK_RC(RTExprEvalToBool(hExprEval, RT_STR_TUPLE("1"), &fResult, NULL), VINF_SUCCESS);
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| 87 | CHECK_fResult(true);
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| 88 | RTTESTI_CHECK_RC(RTExprEvalToBool(hExprEval, RT_STR_TUPLE("0"), &fResult, NULL), VINF_SUCCESS);
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| 89 | CHECK_fResult(false);
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| 90 |
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| 91 | RTTESTI_CHECK_RC(RTExprEvalToBool(hExprEval, RT_STR_TUPLE("true"), &fResult, NULL), VINF_SUCCESS);
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| 92 | CHECK_fResult(true);
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| 93 | RTTESTI_CHECK_RC(RTExprEvalToBool(hExprEval, RT_STR_TUPLE("false"), &fResult, NULL), VINF_SUCCESS);
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| 94 | CHECK_fResult(false);
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| 95 |
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| 96 | g_fQueryVariableExpected = true;
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| 97 | RTTESTI_CHECK_RC(RTExprEvalToBool(hExprEval, RT_STR_TUPLE("defined(MYVAR1)"), &fResult, NULL), VINF_SUCCESS);
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| 98 | CHECK_fResult(true);
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| 99 | RTTESTI_CHECK_RC(RTExprEvalToBool(hExprEval, RT_STR_TUPLE("defined(NO_SUCH_VARIABLE)"), &fResult, NULL), VINF_SUCCESS);
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| 100 | CHECK_fResult(false);
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| 101 | g_fQueryVariableExpected = false;
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| 102 |
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| 103 | int64_t iResult;
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| 104 | #define CHECK_iResult(a_iExpect) do { \
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| 105 | if (iResult != (a_iExpect)) RTTestIFailed("line %u: iResult=%#RX64, expected %#RX64", __LINE__, iResult, (a_iExpect)); \
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| 106 | } while (0)
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| 107 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("1"), &iResult, NULL), VINF_SUCCESS);
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| 108 | CHECK_iResult(1);
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| 109 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("0"), &iResult, NULL), VINF_SUCCESS);
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| 110 | CHECK_iResult(0);
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| 111 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("123459876"), &iResult, NULL), VINF_SUCCESS);
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| 112 | CHECK_iResult(123459876);
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| 113 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("123459876"), &iResult, NULL), VINF_SUCCESS);
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| 114 | CHECK_iResult(123459876);
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| 115 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("-123459876"), &iResult, NULL), VINF_SUCCESS);
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| 116 | CHECK_iResult(-123459876);
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| 117 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("0x7fffffffffffffff"), &iResult, NULL), VINF_SUCCESS);
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| 118 | CHECK_iResult(INT64_MAX);
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| 119 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("-9223372036854775808"), &iResult, NULL), VINF_SUCCESS);
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| 120 | CHECK_iResult(INT64_MIN);
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| 121 |
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| 122 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("true"), &iResult, NULL), VINF_SUCCESS);
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| 123 | CHECK_iResult(1);
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| 124 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("false"), &iResult, NULL), VINF_SUCCESS);
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| 125 | CHECK_iResult(0);
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| 126 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("false + 2"), &iResult, NULL), VINF_SUCCESS);
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| 127 | CHECK_iResult(2);
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| 128 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("false - true"), &iResult, NULL), VINF_SUCCESS);
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| 129 | CHECK_iResult(-1);
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| 130 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("false - ((true))"), &iResult, NULL), VINF_SUCCESS);
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| 131 | CHECK_iResult(-1);
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| 132 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("false true - "), &iResult, NULL), VERR_PARSE_ERROR);
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| 133 | CHECK_iResult(INT64_MAX);
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| 134 | g_fQueryVariableExpected = true;
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| 135 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("$(MYVAR1) + 0"), &iResult, NULL), VINF_SUCCESS);
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| 136 | CHECK_iResult(42);
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| 137 | RTTESTI_CHECK_RC(RTExprEvalToInteger(hExprEval, RT_STR_TUPLE("$($(MYNESTED1)) + 2"), &iResult, NULL), VINF_SUCCESS);
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| 138 | CHECK_iResult(44);
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| 139 | g_fQueryVariableExpected = false;
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| 140 |
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| 141 | char *pszResult;
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| 142 | #define CHECK_FREE_pszResult(a_pszExpect) do { \
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| 143 | const char *pszMacroExpect = (a_pszExpect); \
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| 144 | if ( (pszResult != NULL || pszMacroExpect != NULL) \
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| 145 | && RTStrCmp(pszResult, pszMacroExpect) != 0 ) \
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| 146 | RTTestIFailed("line %u: pszResult=%s, expected %s", __LINE__, pszResult, pszMacroExpect); \
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| 147 | RTStrFree(pszResult); \
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| 148 | } while (0)
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| 149 | RTTESTI_CHECK_RC(RTExprEvalToString(hExprEval, RT_STR_TUPLE("true"), &pszResult, NULL), VINF_SUCCESS);
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| 150 | CHECK_FREE_pszResult("true");
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| 151 | RTTESTI_CHECK_RC(RTExprEvalToString(hExprEval, RT_STR_TUPLE("false"), &pszResult, NULL), VINF_SUCCESS);
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| 152 | CHECK_FREE_pszResult("false");
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| 153 | RTTESTI_CHECK_RC(RTExprEvalToString(hExprEval, RT_STR_TUPLE("1+2"), &pszResult, NULL), VINF_SUCCESS);
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| 154 | CHECK_FREE_pszResult("3");
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| 155 |
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| 156 | RTTESTI_CHECK_RETV(RTExprEvalRelease(hExprEval) == 0);
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| 157 | }
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| 158 |
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| 159 |
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| 160 |
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| 161 | int main()
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| 162 | {
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| 163 | RTEXITCODE rcExit = RTTestInitAndCreate("tstRTExprEval", &g_hTest);
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| 164 | if (rcExit != RTEXITCODE_SUCCESS)
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| 165 | return rcExit;
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| 166 |
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| 167 | tstBasic();
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| 168 |
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| 169 | /*
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| 170 | * Summary.
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| 171 | */
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| 172 | return RTTestSummaryAndDestroy(g_hTest);
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| 173 | }
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| 174 |
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| 175 |
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