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231 lines
8.4 KiB
C
231 lines
8.4 KiB
C
// swad_test.h: self-assessment tests
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#ifndef _SWAD_TST
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#define _SWAD_TST
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/*
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SWAD (Shared Workspace At a Distance in Spanish),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2020 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include "swad_game.h"
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#include "swad_media.h"
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#include "swad_test_result.h"
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/*****************************************************************************/
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/***************************** Public constants ******************************/
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/*****************************************************************************/
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#define Tst_MAX_QUESTIONS_PER_TEST 100 // Absolute maximum number of questions in a test
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#define Tst_MAX_TAGS_PER_QUESTION 5
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#define Tst_MAX_CHARS_TAG (128 - 1) // 127
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#define Tst_MAX_BYTES_TAG ((Tst_MAX_CHARS_TAG + 1) * Str_MAX_BYTES_PER_CHAR - 1) // 2047
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#define Tst_MAX_OPTIONS_PER_QUESTION 10
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#define Tst_MAX_BYTES_INDEXES_ONE_QST (Tst_MAX_OPTIONS_PER_QUESTION * (10 + 1))
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#define Tst_MAX_BYTES_ANSWERS_ONE_QST (Tst_MAX_OPTIONS_PER_QUESTION * (10 + 1))
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#define Tst_MAX_CHARS_ANSWER_OR_FEEDBACK (1024 - 1) // 1023
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#define Tst_MAX_BYTES_ANSWER_OR_FEEDBACK ((Tst_MAX_CHARS_ANSWER_OR_FEEDBACK + 1) * Str_MAX_BYTES_PER_CHAR - 1) // 16383
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#define Tst_CONFIG_DEFAULT_MIN_QUESTIONS 1
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#define Tst_CONFIG_DEFAULT_DEF_QUESTIONS 20 // Number of questions to be generated by default in a self-assessment test
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#define Tst_CONFIG_DEFAULT_MAX_QUESTIONS 30 // Maximum number of questions to be generated in a self-assessment test
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#define Tst_MAX_BYTES_ANSWER_TYPE 32
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/*****************************************************************************/
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/******************************* Public types ********************************/
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/*****************************************************************************/
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struct Tst_Question
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{
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struct
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{
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char *Text;
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size_t Length;
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} Stem, Feedback;
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struct Media Media;
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bool Shuffle;
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};
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#define Tst_NUM_OPTIONS_PLUGGABLE 3
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typedef enum
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{
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Tst_PLUGGABLE_UNKNOWN = 0,
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Tst_PLUGGABLE_NO = 1,
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Tst_PLUGGABLE_YES = 2,
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} Tst_Pluggable_t;
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typedef enum
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{
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Tst_SHOW_TEST_TO_ANSWER, // Showing a test to a student
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Tst_SHOW_TEST_RESULT, // Showing the assessment of a test
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Tst_EDIT_TEST, // Editing test questions
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Tst_SELECT_QUESTIONS_FOR_GAME, // Selecting test questions for a game
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} Tst_ActionToDoWithQuestions_t;
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struct Tst_Config
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{
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Tst_Pluggable_t Pluggable;
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unsigned Min; // Minimum number of questions
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unsigned Def; // Default number of questions
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unsigned Max; // Maximum number of questions
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unsigned long MinTimeNxtTstPerQst;
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unsigned Visibility; // One bit for each visibility item
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};
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#define Tst_NUM_ANS_TYPES 6
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#define Tst_MAX_BYTES_LIST_ANSWER_TYPES (Tst_NUM_ANS_TYPES * (Cns_MAX_DECIMAL_DIGITS_UINT + 1))
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typedef enum
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{
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Tst_ANS_INT = 0,
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Tst_ANS_FLOAT = 1,
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Tst_ANS_TRUE_FALSE = 2,
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Tst_ANS_UNIQUE_CHOICE = 3,
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Tst_ANS_MULTIPLE_CHOICE = 4,
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Tst_ANS_TEXT = 5,
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Tst_ANS_ALL = 6, // All/any type of answer
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} Tst_AnswerType_t;
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#define Tst_NUM_TYPES_ORDER_QST 5
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typedef enum
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{
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Tst_ORDER_STEM = 0,
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Tst_ORDER_NUM_HITS = 1,
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Tst_ORDER_AVERAGE_SCORE = 2,
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Tst_ORDER_NUM_HITS_NOT_BLANK = 3,
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Tst_ORDER_AVERAGE_SCORE_NOT_BLANK = 4,
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} Tst_QuestionsOrder_t;
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struct Tst_Stats
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{
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unsigned NumCoursesWithQuestions;
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unsigned NumCoursesWithPluggableQuestions;
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unsigned NumQsts;
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double AvgQstsPerCourse;
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unsigned long NumHits;
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double AvgHitsPerCourse;
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double AvgHitsPerQuestion;
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double TotalScore;
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double AvgScorePerQuestion;
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};
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/*****************************************************************************/
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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void Tst_ShowFormAskTst (void);
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void Tst_ShowNewTest (void);
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void Tst_AssessTest (void);
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void Tst_ComputeAndShowGrade (unsigned NumQsts,double Score,double MaxGrade);
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double Tst_ComputeGrade (unsigned NumQsts,double Score,double MaxGrade);
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void Tst_ShowGrade (double Grade,double MaxGrade);
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void Tst_ShowTagList (unsigned NumTags,MYSQL_RES *mysql_res);
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void Tst_WriteQstAndAnsTest (Tst_ActionToDoWithQuestions_t ActionToDoWithQuestions,
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struct UsrData *UsrDat,
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unsigned NumQst,
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long QstCod,
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MYSQL_ROW row,
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unsigned Visibility,
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double *ScoreThisQst,bool *AnswerIsNotBlank);
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void Tst_WriteQstStem (const char *Stem,const char *ClassStem,bool Visible);
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void Tst_WriteQstFeedback (const char *Feedback,const char *ClassFeedback);
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void Tst_ShowFormAskEditTsts (void);
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void Tst_ShowFormAskSelectTstsForGame (void);
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void Tst_ListQuestionsToEdit (void);
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void Tst_ListQuestionsToSelect (void);
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bool Tst_GetOneQuestionByCod (long QstCod,MYSQL_RES **mysql_res);
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void Tst_WriteParamEditQst (void);
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unsigned Tst_GetNumAnswersQst (long QstCod);
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unsigned Tst_GetAnswersQst (long QstCod,MYSQL_RES **mysql_res,bool Shuffle);
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void Tst_GetCorrectAnswersFromDB (long QstCod);
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void Tst_WriteAnswersEdit (long QstCod);
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bool Tst_CheckIfQuestionIsValidForGame (long QstCod);
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void Tst_WriteAnsTF (char AnsTF);
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void Tst_GetChoiceAns (MYSQL_RES *mysql_res);
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void Tst_GetIndexesFromStr (const char StrIndexesOneQst[Tst_MAX_BYTES_INDEXES_ONE_QST + 1], // 0 1 2 3, 3 0 2 1, etc.
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unsigned Indexes[Tst_MAX_OPTIONS_PER_QUESTION]);
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void Tst_GetAnswersFromStr (const char StrAnswersOneQst[Tst_MAX_BYTES_ANSWERS_ONE_QST + 1],
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bool AnswersUsr[Tst_MAX_OPTIONS_PER_QUESTION]);
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void Tst_ComputeScoreQst (unsigned Indexes[Tst_MAX_OPTIONS_PER_QUESTION],
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bool AnswersUsr[Tst_MAX_OPTIONS_PER_QUESTION],
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double *ScoreThisQst,bool *AnswerIsNotBlank);
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void Tst_WriteChoiceAnsViewMatch (long MchCod,unsigned QstInd,long QstCod,
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unsigned NumCols,const char *Class,bool ShowResult);
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void Tst_CheckIfNumberOfAnswersIsOne (void);
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unsigned long Tst_GetTagsQst (long QstCod,MYSQL_RES **mysql_res);
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void Tst_GetAndWriteTagsQst (long QstCod);
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void Tst_FreeTagsList (void);
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void Tst_ShowFormConfig (void);
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void Tst_EnableTag (void);
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void Tst_DisableTag (void);
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void Tst_RenameTag (void);
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void Tst_GetConfigTstFromDB (void);
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void Tst_GetConfigFromRow (MYSQL_ROW row);
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bool Tst_CheckIfCourseHaveTestsAndPluggableIsUnknown (void);
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void Tst_ReceiveConfigTst (void);
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void Tst_ShowFormEditOneQst (void);
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void Tst_QstConstructor (struct Tst_Question *Question);
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void Tst_QstDestructor (struct Tst_Question *Question);
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int Tst_AllocateTextChoiceAnswer (unsigned NumOpt);
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Tst_AnswerType_t Tst_ConvertFromStrAnsTypDBToAnsTyp (const char *StrAnsTypeBD);
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void Tst_ReceiveQst (void);
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bool Tst_CheckIfQstFormatIsCorrectAndCountNumOptions (const struct Tst_Question *Question);
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bool Tst_CheckIfQuestionExistsInDB (const struct Tst_Question *Question);
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long Tst_GetIntAnsFromStr (char *Str);
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void Tst_RequestRemoveSelectedQsts (void);
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void Tst_RemoveSelectedQsts (void);
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void Tst_RequestRemoveOneQst (void);
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void Tst_RemoveOneQst (void);
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void Tst_ChangeShuffleQst (void);
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void Tst_SetParamGblQstCod (long QstCod);
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long Tst_GetParamGblQstCod (void);
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void Tst_PutParamGblQstCod (void);
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void Tst_PutParamQstCod (long QstCod);
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long Tst_InsertOrUpdateQstTagsAnsIntoDB (long QstCod,
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const struct Tst_Question *Question);
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void Tst_RemoveCrsTests (long CrsCod);
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void Tst_GetTestStats (Tst_AnswerType_t AnsType,struct Tst_Stats *Stats);
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#endif
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