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Overview
Comment: | Add missing file test_num.c. |
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Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
5ab129f59e23fa307283249b1d977ad8 |
User & Date: | dan 2013-06-01 06:08:26.208 |
Context
2013-06-01
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20:34 | Use decimal arithmetic in the sum(), total() and avg() functions. check-in: 23ded9b859 user: dan tags: trunk | |
06:08 | Add missing file test_num.c. check-in: 5ab129f59e user: dan tags: trunk | |
2013-05-31
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19:57 | Fix an issue in sqlite4_num_from_text() when parsing "inf" values. check-in: d1792cbf3c user: dan tags: trunk | |
Changes
Added test/test_num.c.
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In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** Code for testing the sqlite4_num_xxx() functions used by SQLite for ** base 10 arithmatic. */ #include "sqlite4.h" #include <tcl.h> #define NUM_FORMAT "sign:%d approx:%d e:%d m:%llu" /* Append a return value representing a sqlite4_num. */ static void append_num_result( Tcl_Interp *interp, sqlite4_num A ){ char buf[100]; sprintf( buf, NUM_FORMAT, A.sign, A.approx, A.e, A.m ); Tcl_AppendResult(interp, buf, 0); } /* Convert a string either representing a sqlite4_num (listing its fields as ** returned by append_num_result) or that can be parsed as one. Invalid ** strings become NaN. */ static sqlite4_num test_parse_num( char *arg ){ sqlite4_num A; int sign, approx, e; if( sscanf( arg, NUM_FORMAT, &sign, &approx, &e, &A.m)==4 ){ A.sign = sign; A.approx = approx; A.e = e; return A; } else { return sqlite4_num_from_text(arg, -1, 0, 0); } } /* Convert return values of sqlite4_num to strings that will be readable in ** the tests. */ static char *describe_num_comparison( int code ){ switch( code ){ case 0: return "incomparable"; case 1: return "lesser"; case 2: return "equal"; case 3: return "greater"; default: return "error"; } } /* Compare two numbers A and B. Returns "incomparable", "lesser", "equal", ** "greater", or "error". */ static int test_num_compare( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ sqlite4_num A, B; int cmp; if( argc!=3 ){ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " NUM NUM\"", 0); return TCL_ERROR; } A = test_parse_num( argv[1] ); B = test_parse_num( argv[2] ); cmp = sqlite4_num_compare(A, B); Tcl_AppendResult( interp, describe_num_comparison( cmp ), 0); return TCL_OK; } /* Create a sqlite4_num from a string. The optional second argument specifies ** how many bytes may be read. */ static int test_num_from_text( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ sqlite4_num A; int len; if( argc!=2 && argc!=3 ){ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " STRING\" or \"", argv[0], " STRING INTEGER\"", 0); return TCL_ERROR; } if( argc==3 ){ if ( Tcl_GetInt(interp, argv[2], &len) ) return TCL_ERROR; }else{ len = -1; } A = sqlite4_num_from_text(argv[1], len, 0, 0); append_num_result(interp, A); return TCL_OK; } static int test_num_to_text( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ char text[30]; if( argc!=2 ){ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " NUM\"", 0); return TCL_ERROR; } sqlite4_num_to_text( test_parse_num( argv[1] ), text, 0 ); Tcl_AppendResult( interp, text, 0 ); return TCL_OK; } static int test_num_binary_op( Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv, /* Text of each argument */ sqlite4_num (*op) (sqlite4_num, sqlite4_num) ){ sqlite4_num A, B, R; if( argc!=3 ){ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " NUM NUM\"", 0); return TCL_ERROR; } A = test_parse_num(argv[1]); B = test_parse_num(argv[2]); R = op(A, B); append_num_result(interp, R); return TCL_OK; } static int test_num_add( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ return test_num_binary_op( interp, argc, argv, sqlite4_num_add ); } static int test_num_sub( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ return test_num_binary_op( interp, argc, argv, sqlite4_num_sub ); } static int test_num_mul( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ return test_num_binary_op( interp, argc, argv, sqlite4_num_mul ); } static int test_num_div( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ return test_num_binary_op( interp, argc, argv, sqlite4_num_div ); } static int test_num_predicate( Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv, /* Text of each argument */ int (*pred) (sqlite4_num) ){ sqlite4_num A; if( argc!=2 ){ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " NUM\"", 0); return TCL_ERROR; } A = test_parse_num(argv[1]); Tcl_AppendResult(interp, pred(A) ? "true" : "false", 0); return TCL_OK; } static int test_num_isinf( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ return test_num_predicate( interp, argc, argv, sqlite4_num_isinf ); } static int test_num_isnan( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ return test_num_predicate( interp, argc, argv, sqlite4_num_isnan ); } static int test_num_from_double( void * clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[] ){ sqlite4_num ret; double val; if( objc!=2 ){ Tcl_WrongNumArgs(interp, 1, objv, "NUMBER"); return TCL_ERROR; } if( Tcl_GetDoubleFromObj(interp, objv[1], &val) ){ return TCL_ERROR; } ret = sqlite4_num_from_double(val); Tcl_ResetResult(interp); append_num_result(interp, ret); return TCL_OK; } /* ** Register commands with the TCL interpreter. */ int Sqlitetest_num_init(Tcl_Interp *interp){ static struct { char *zName; Tcl_CmdProc *xProc; } aCmd[] = { { "sqlite4_num_compare", (Tcl_CmdProc*)test_num_compare }, { "sqlite4_num_from_text", (Tcl_CmdProc*)test_num_from_text }, { "sqlite4_num_to_text", (Tcl_CmdProc*)test_num_to_text }, { "sqlite4_num_add", (Tcl_CmdProc*)test_num_add }, { "sqlite4_num_sub", (Tcl_CmdProc*)test_num_sub }, { "sqlite4_num_mul", (Tcl_CmdProc*)test_num_mul }, { "sqlite4_num_div", (Tcl_CmdProc*)test_num_div }, { "sqlite4_num_isinf", (Tcl_CmdProc*)test_num_isinf }, { "sqlite4_num_isnan", (Tcl_CmdProc*)test_num_isnan }, }; static struct { char *zName; Tcl_ObjCmdProc *xProc; void *clientData; } aObjCmd[] = { { "sqlite4_num_from_double", test_num_from_double, 0 }, }; int i; for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){ Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0); } for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){ Tcl_CreateObjCommand(interp, aObjCmd[i].zName, aObjCmd[i].xProc, 0, 0); } return TCL_OK; } |