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Comment:Improved test coverage of func.c and hash.c. (CVS 1772)
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SHA1: 0c999f28137bd82ba24dd263bab30d22329eed73
User & Date: drh 2004-06-30 03:08:25
Context
2004-06-30
04:02
Improve test coverage of util.c (CVS 1773) check-in: 68ac3221 user: drh tags: trunk
03:08
Improved test coverage of func.c and hash.c. (CVS 1772) check-in: 0c999f28 user: drh tags: trunk
02:43
Allow strings that look like integers to be inserted into IPK columns in a UTF-16 database. (CVS 1771) check-in: e5e39764 user: danielk1977 tags: trunk
Changes
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Changes to src/hash.c. 

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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This is the implementation of generic hash-tables
** used in SQLite.
**
** $Id: hash.c,v 1.12 2004/05/08 08:23:25 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include <assert.h>

/* Turn bulk memory into a hash table object by initializing the
** fields of the Hash structure.
**
................................................................................
    }
    sqliteFree(elem);
    elem = next_elem;
  }
  pH->count = 0;
}


/*
** Hash and comparison functions when the mode is SQLITE_HASH_INT
*/
static int intHash(const void *pKey, int nKey){
  return nKey ^ (nKey<<8) ^ (nKey>>8);
}
static int intCompare(const void *pKey1, int n1, const void *pKey2, int n2){
  return n2 - n1;
}


#if 0 /* NOT USED */
/*
** Hash and comparison functions when the mode is SQLITE_HASH_POINTER
*/
static int ptrHash(const void *pKey, int nKey){
  uptr x = Addr(pKey);
................................................................................
** single parameter "keyClass".  The return value of hashFunction()
** is a pointer to another function.  Specifically, the return value
** of hashFunction() is a pointer to a function that takes two parameters
** with types "const void*" and "int" and returns an "int".
*/
static int (*hashFunction(int keyClass))(const void*,int){
  switch( keyClass ){
    case SQLITE_HASH_INT:     return &intHash;
    /* case SQLITE_HASH_POINTER: return &ptrHash; // NOT USED */
    case SQLITE_HASH_STRING:  return &strHash;
    case SQLITE_HASH_BINARY:  return &binHash;;
    default: break;
  }
  return 0;
}
................................................................................
** Return a pointer to the appropriate hash function given the key class.
**
** For help in interpreted the obscure C code in the function definition,
** see the header comment on the previous function.
*/
static int (*compareFunction(int keyClass))(const void*,int,const void*,int){
  switch( keyClass ){
    case SQLITE_HASH_INT:     return &intCompare;
    /* case SQLITE_HASH_POINTER: return &ptrCompare; // NOT USED */
    case SQLITE_HASH_STRING:  return &strCompare;
    case SQLITE_HASH_BINARY:  return &binCompare;
    default: break;
  }
  return 0;
}
................................................................................
    pH->first = new_elem;
  }
  pH->ht[h].count++;
  pH->ht[h].chain = new_elem;
  new_elem->data = data;
  return 0;
}











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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This is the implementation of generic hash-tables
** used in SQLite.
**
** $Id: hash.c,v 1.13 2004/06/30 03:08:25 drh Exp $
*/
#include "sqliteInt.h"
#include <assert.h>

/* Turn bulk memory into a hash table object by initializing the
** fields of the Hash structure.
**
................................................................................
    }
    sqliteFree(elem);
    elem = next_elem;
  }
  pH->count = 0;
}

#if 0 /* NOT USED */
/*
** Hash and comparison functions when the mode is SQLITE_HASH_INT
*/
static int intHash(const void *pKey, int nKey){
  return nKey ^ (nKey<<8) ^ (nKey>>8);
}
static int intCompare(const void *pKey1, int n1, const void *pKey2, int n2){
  return n2 - n1;
}
#endif

#if 0 /* NOT USED */
/*
** Hash and comparison functions when the mode is SQLITE_HASH_POINTER
*/
static int ptrHash(const void *pKey, int nKey){
  uptr x = Addr(pKey);
................................................................................
** single parameter "keyClass".  The return value of hashFunction()
** is a pointer to another function.  Specifically, the return value
** of hashFunction() is a pointer to a function that takes two parameters
** with types "const void*" and "int" and returns an "int".
*/
static int (*hashFunction(int keyClass))(const void*,int){
  switch( keyClass ){
    /* case SQLITE_HASH_INT:     return &intHash; // NOT USED */
    /* case SQLITE_HASH_POINTER: return &ptrHash; // NOT USED */
    case SQLITE_HASH_STRING:  return &strHash;
    case SQLITE_HASH_BINARY:  return &binHash;;
    default: break;
  }
  return 0;
}
................................................................................
** Return a pointer to the appropriate hash function given the key class.
**
** For help in interpreted the obscure C code in the function definition,
** see the header comment on the previous function.
*/
static int (*compareFunction(int keyClass))(const void*,int,const void*,int){
  switch( keyClass ){
    /* case SQLITE_HASH_INT:     return &intCompare; // NOT USED */
    /* case SQLITE_HASH_POINTER: return &ptrCompare; // NOT USED */
    case SQLITE_HASH_STRING:  return &strCompare;
    case SQLITE_HASH_BINARY:  return &binCompare;
    default: break;
  }
  return 0;
}
................................................................................
    pH->first = new_elem;
  }
  pH->ht[h].count++;
  pH->ht[h].chain = new_elem;
  new_elem->data = data;
  return 0;
}

Changes to test/enc3.test. 

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#
#***********************************************************************
# This file implements regression tests for SQLite library. 
#
# The focus of this file is testing of the proper handling of conversions
# to the native text representation.
#
# $Id: enc3.test,v 1.1 2004/06/22 17:59:57 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test enc3-1.1 {
  execsql {
    PRAGMA encoding=utf16le;
................................................................................
  }
} {abc'123 5}
do_test enc3-1.3 {
  execsql {
    SELECT quote(x) || ' ' || quote(y) FROM t1
  }
} {{'abc''123' 5}}














finish_test








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#
#***********************************************************************
# This file implements regression tests for SQLite library. 
#
# The focus of this file is testing of the proper handling of conversions
# to the native text representation.
#
# $Id: enc3.test,v 1.2 2004/06/30 03:08:25 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test enc3-1.1 {
  execsql {
    PRAGMA encoding=utf16le;
................................................................................
  }
} {abc'123 5}
do_test enc3-1.3 {
  execsql {
    SELECT quote(x) || ' ' || quote(y) FROM t1
  }
} {{'abc''123' 5}}
do_test enc3-1.4 {
  execsql {
    DELETE FROM t1;
    INSERT INTO t1 VALUES(x'616263646566',NULL);
    SELECT * FROM t1
  }
} {abcdef {}}
do_test enc3-1.5 {
  execsql {
    SELECT quote(x) || ' ' || quote(y) FROM t1
  }
} {{X'616263646566' NULL}}


finish_test

Changes to test/types.test. 

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#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. Specfically
# it tests that the different storage classes (integer, real, text etc.)
# all work correctly.
#
# $Id: types.test,v 1.8 2004/06/30 02:35:51 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Tests in this file are organized roughly as follows:
#
# types-1.*.*: Test that values are stored using the expected storage
................................................................................
  { 5      integer integer text integer }
  { '5.0'  integer real    text text    }
  { '-5.0' integer real    text text    }
  { '-5.0' integer real    text text    }
  { '5'    integer integer text text    }
  { 'abc'  text    text    text text    }
  { NULL   null    null    null null    }

}

# This code tests that the storage classes specified above (in the $values
# table) are correctly assigned when values are inserted using a statement
# of the form:
#
# INSERT INTO <table> VALUE(<values>);








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#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. Specfically
# it tests that the different storage classes (integer, real, text etc.)
# all work correctly.
#
# $Id: types.test,v 1.9 2004/06/30 03:08:25 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Tests in this file are organized roughly as follows:
#
# types-1.*.*: Test that values are stored using the expected storage
................................................................................
  { 5      integer integer text integer }
  { '5.0'  integer real    text text    }
  { '-5.0' integer real    text text    }
  { '-5.0' integer real    text text    }
  { '5'    integer integer text text    }
  { 'abc'  text    text    text text    }
  { NULL   null    null    null null    }
  { X'00'  blob    blob    blob blob    }
}

# This code tests that the storage classes specified above (in the $values
# table) are correctly assigned when values are inserted using a statement
# of the form:
#
# INSERT INTO <table> VALUE(<values>);

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