File: t_dap.c

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/*! \file

Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
2015, 2016, 2017, 2018
University Corporation for Atmospheric Research/Unidata.

See \ref copyright file for more info.

*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "netcdf.h"
#include "t_srcdir.h"


#undef GENERATE

#undef DEBUG

/* Test (some) internal/external type conversions
   using following DAP dataset (test.02).
	Dataset {
	    Byte b[DIMSIZE];
	    Int32 i32[DIMSIZE];
	    UInt32 ui32[DIMSIZE];
	    Int16 i16[DIMSIZE];
	    UInt16 ui16[DIMSIZE];
	    Float32 f32[DIMSIZE];
	    Float64 f64[DIMSIZE];
	    String s[DIMSIZE];
	    Url u[DIMSIZE];
	} OneDimensionalSimpleArrays;
*/

#define NDIMS 1
#define DIMSIZE 25
#define STRLEN 64

#ifndef USE_NETCDF4
#define	NC_UBYTE 	7	/* unsigned 1 byte int */
#define	NC_USHORT 	8	/* unsigned 2-byte int */
#define	NC_UINT 	9	/* unsigned 4-byte int */
#define	NC_INT64 	10	/* signed 8-byte int */
#define	NC_UINT64 	11	/* unsigned 8-byte int */
#define	NC_STRING 	12	/* string */
#endif


#define CHECK(expr) check(expr,__FILE__,__LINE__);

#define COMMA (i==0?"":",")

#define COMPARE(t1,t2,v1,v2) compare(t1,t2,(void*)v1,(void*)v2,#v2,__FILE__,__LINE__)

static int failure = 0;

static void compare(nc_type,nc_type,void*,void*,char*,char*,int);

static void
report(const int i, const char* var, const int line)
{
    fprintf(stdout,"%s mismatch: [%d] file: %s line: %d\n",var,i,__FILE__,line);
    failure = 1;
}

static void
check(int ncstat, char* file, int line)
{
    if(ncstat == NC_NOERR) return;
    fprintf(stderr,"*** FAIL: %d (%s) at %s:%d\n",
	    ncstat,nc_strerror(ncstat),file,line);
    exit(1);
}

/* return 1 if |f1-f2| > 0.05 */
static int
fdiff(double f1, double f2)
{
    double delta = (f1 - f2);
    if(delta < 0) delta = - delta;
    if(delta > 0.05) {
	fprintf(stdout,"fdiff: %1.3f %1.3f delta=%1.3f\n",f1,f2,delta);
    }
    return (delta > 0.05?1:0);
}

static char ch_data[DIMSIZE];
static signed char int8_data[DIMSIZE];
static unsigned char uint8_data[DIMSIZE];
static int int8toint32_data[DIMSIZE];
static float int82float32_data[DIMSIZE];
static short int16_data[DIMSIZE];
static int int16toint32_data[DIMSIZE];
static float int162float32_data[DIMSIZE];
static int int32_data[DIMSIZE];
static float int32tofloat32_data[DIMSIZE];
static long int32toilong_data[DIMSIZE];
static float float32_data[DIMSIZE];
static double float64_data[DIMSIZE];
#ifndef USE_NETCDF4
static char string3_data[DIMSIZE][STRLEN];
#endif

static char ch[DIMSIZE];
static signed char int8v[DIMSIZE];
static unsigned char uint8v[DIMSIZE];
static short int16v[DIMSIZE];
static int int32v[DIMSIZE];
static float float32v[DIMSIZE];
static double float64v[DIMSIZE];
static long  ilong[DIMSIZE];
#ifndef USE_NETCDF4
static char string3[DIMSIZE][STRLEN];
#endif

int main()
{
    int ncid, varid;
    int ncstat = NC_NOERR;
    char url[8192];
    const char* topsrcdir;
    size_t len;
#ifndef USE_NETCDF4
    int i,j;
#endif

    /* location of our target url: use file:// to avoid remote
	server downtime issues
     */

    topsrcdir = gettopsrcdir();

    url[0] = '\0';

#ifdef DEBUG
    strlcat(url,"[log][show=fetch]",sizeof(url));
#endif

    strlcat(url,"file://",sizeof(url));
    strlcat(url,topsrcdir,sizeof(url));
    strlcat(url,"/ncdap_test/testdata3/test.02",sizeof(url));

    printf("*** Test: var conversions on URL: %s\n",url);

    /* open file, get varid */
    CHECK(nc_open(url, NC_NOWRITE, &ncid));

    /* extract the string case for netcdf-3*/
#ifndef USE_NETCDF4
    CHECK(nc_inq_varid(ncid, "s", &varid));
    CHECK(nc_get_var_text(ncid,varid,(char*)string3));
#ifdef GENERATE
    printf("static %s string3_data[DIMSIZE][STRLEN]={","char");
    for(i=0;i<DIMSIZE;i++) {
	int j;
	/* Do simple escape */
	for(j=0;j<STRLEN;j++) {
	    if(string3[i][j] > 0
	       && string3[i][j] != '\n'
	       && string3[i][j] != '\r'
	       && string3[i][j] != '\t'
	       &&(string3[i][j] < ' ' || string3[i][j] >= '\177'))
		string3[i][j] = '?';
	}
	printf("%s\"%s\"",COMMA,string3[i]);
    }
    printf("};\n");
#else
 	fprintf(stdout,"*** testing: %s\n","string3");
	for(i=0;i<DIMSIZE;i++) {
   	    for(j=0;j<STRLEN;j++) {
	        if(string3[i][j] != string3_data[i][j]) {report(i,"string3",__LINE__); break;}
	    }
	}
#endif
#endif

    CHECK(nc_inq_varid(ncid, "b", &varid));
    CHECK(nc_get_var_text(ncid,varid,ch));
#ifdef GENERATE
    printf("static %s ch_data[DIMSIZE]={","char");
    for(i=0;i<DIMSIZE;i++) printf("%s'\\%03hho'",COMMA,ch[i]);
    printf("};\n");
#else
    COMPARE(NC_CHAR,NC_CHAR,ch,ch_data);
#endif

    CHECK(nc_inq_varid(ncid, "b", &varid));
    CHECK(nc_get_var_schar(ncid,varid,int8v));
#ifdef GENERATE
    printf("static %s int8_data[DIMSIZE]={","signed char");
    for(i=0;i<DIMSIZE;i++) printf("%s%hhd",COMMA,int8v[i]);
    printf("};\n");
#else
    COMPARE(NC_BYTE,NC_BYTE,int8v,int8_data);
#endif

    CHECK(nc_inq_varid(ncid, "b", &varid));
    CHECK(nc_get_var_uchar(ncid,varid,uint8v));
#ifdef GENERATE
    printf("static %s uint8_data[DIMSIZE]={","unsigned char");
    for(i=0;i<DIMSIZE;i++) printf("%s%hhu",COMMA,uint8v[i]);
    printf("};\n");
#else
    COMPARE(NC_UBYTE,NC_UBYTE,uint8v,uint8_data);
#endif

    CHECK(nc_inq_varid(ncid, "b", &varid));
    CHECK(nc_get_var_int(ncid,varid,int32v));
#ifdef GENERATE
    printf("static %s int8toint32_data[DIMSIZE]={","int");
    for(i=0;i<DIMSIZE;i++) printf("%s%d",COMMA,int32v[i]);
    printf("};\n");
#else
    COMPARE(NC_BYTE,NC_INT,int32v,int8toint32_data);
#endif

    CHECK(nc_inq_varid(ncid, "b", &varid));
    CHECK(nc_get_var_float(ncid,varid,float32v));
#ifdef GENERATE
    printf("static %s int82float32_data[DIMSIZE]={","float");
    for(i=0;i<DIMSIZE;i++) printf("%s%1.3f",COMMA,float32v[i]);
    printf("};\n");
#else
    COMPARE(NC_FLOAT,NC_FLOAT,float32v,int82float32_data);
#endif

    CHECK(nc_inq_varid(ncid, "i16", &varid));
    CHECK(nc_get_var_short(ncid,varid,int16v));
#ifdef GENERATE
    printf("static %s int16_data[DIMSIZE]={","short");
    for(i=0;i<DIMSIZE;i++) printf("%s%hd",COMMA,int16v[i]);
    printf("};\n");
#else
    COMPARE(NC_SHORT,NC_SHORT,int16v,int16_data);
#endif

    CHECK(nc_inq_varid(ncid, "i16", &varid));
    CHECK(nc_get_var_int(ncid,varid,int32v));
#ifdef GENERATE
    printf("static %s int16toint32_data[DIMSIZE]={","int");
    for(i=0;i<DIMSIZE;i++) printf("%s%d",COMMA,int32v[i]);
    printf("};\n");
#else
    COMPARE(NC_SHORT,NC_INT,int32v,int16toint32_data);
#endif

    CHECK(nc_inq_varid(ncid, "i16", &varid));
    CHECK(nc_get_var_float(ncid,varid,float32v));
#ifdef GENERATE
    printf("static %s int162float32_data[DIMSIZE]={","float");
    for(i=0;i<DIMSIZE;i++) printf("%s%1.3f",COMMA,float32v[i]);
    printf("};\n");
#else
    COMPARE(NC_SHORT,NC_FLOAT,float32v,int162float32_data);
#endif

    CHECK(nc_inq_varid(ncid, "i32", &varid));
    CHECK(nc_get_var_int(ncid,varid,int32v));
#ifdef GENERATE
    printf("static %s int32_data[DIMSIZE]={","int");
    for(i=0;i<DIMSIZE;i++) printf("%s%d",COMMA,int32v[i]);
    printf("};\n");
#else
    COMPARE(NC_INT,NC_INT,int32v,int32_data);
#endif

    CHECK(nc_inq_varid(ncid, "i32", &varid));
    CHECK(nc_get_var_float(ncid,varid,float32v));
#ifdef GENERATE
    printf("static %s int32tofloat32_data[DIMSIZE]={","float");
    for(i=0;i<DIMSIZE;i++) printf("%s%1.3f",COMMA,float32v[i]);
    printf("};\n");
#else
    COMPARE(NC_INT,NC_FLOAT,float32v,int32tofloat32_data);
#endif

    CHECK(nc_inq_varid(ncid, "i32", &varid));
    CHECK(nc_get_var_long(ncid,varid,ilong));
#ifdef GENERATE
    printf("static %s int32toilong_data[DIMSIZE]={","long");
    for(i=0;i<DIMSIZE;i++) printf("%s%ld",COMMA,ilong[i]);
    printf("};\n");
#else
    COMPARE(NC_INT,NC_NAT,ilong,int32toilong_data);
#endif

    CHECK(nc_inq_varid(ncid, "f32", &varid));
    CHECK(nc_get_var_float(ncid,varid,float32v));
#ifdef GENERATE
    printf("static %s float32_data[DIMSIZE]={","float");
    for(i=0;i<DIMSIZE;i++) printf("%s%1.3f",COMMA,float32v[i]);
    printf("};\n");
#else
    COMPARE(NC_FLOAT,NC_FLOAT,float32v,float32_data);
#endif

    CHECK(nc_inq_varid(ncid, "f64", &varid));
    CHECK(nc_get_var_double(ncid,varid,float64v));
#ifdef GENERATE
    printf("static %s float64_data[DIMSIZE]={","double");
    for(i=0;i<DIMSIZE;i++) printf("%s%1.3f",COMMA,float64v[i]);
    printf("};\n");
#else
    COMPARE(NC_DOUBLE,NC_DOUBLE,float64v,float64_data);
#endif

    if(failure) {
        printf("ncstat=%d %s",ncstat,nc_strerror(ncstat));
        exit(1);
    }
    nc_close(ncid);
    return 0;
}

static char ch_data[DIMSIZE]={'\000','\001','\002','\003','\004','\005','\006','\007','\010','\011','\012','\013','\014','\015','\016','\017','\020','\021','\022','\023','\024','\025','\026','\027','\030'};
static signed char int8_data[DIMSIZE]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24};
static unsigned char uint8_data[DIMSIZE]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24};
static int int8toint32_data[DIMSIZE]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24};
static float int82float32_data[DIMSIZE]={0.000,1.000,2.000,3.000,4.000,5.000,6.000,7.000,8.000,9.000,10.000,11.000,12.000,13.000,14.000,15.000,16.000,17.000,18.000,19.000,20.000,21.000,22.000,23.000,24.000};
static short int16_data[DIMSIZE]={0,256,512,768,1024,1280,1536,1792,2048,2304,2560,2816,3072,3328,3584,3840,4096,4352,4608,4864,5120,5376,5632,5888,6144};
static int int16toint32_data[DIMSIZE]={0,256,512,768,1024,1280,1536,1792,2048,2304,2560,2816,3072,3328,3584,3840,4096,4352,4608,4864,5120,5376,5632,5888,6144};
static float int162float32_data[DIMSIZE]={0.000,256.000,512.000,768.000,1024.000,1280.000,1536.000,1792.000,2048.000,2304.000,2560.000,2816.000,3072.000,3328.000,3584.000,3840.000,4096.000,4352.000,4608.000,4864.000,5120.000,5376.000,5632.000,5888.000,6144.000};
static int int32_data[DIMSIZE]={0,2048,4096,6144,8192,10240,12288,14336,16384,18432,20480,22528,24576,26624,28672,30720,32768,34816,36864,38912,40960,43008,45056,47104,49152};
static float int32tofloat32_data[DIMSIZE]={0.000,2048.000,4096.000,6144.000,8192.000,10240.000,12288.000,14336.000,16384.000,18432.000,20480.000,22528.000,24576.000,26624.000,28672.000,30720.000,32768.000,34816.000,36864.000,38912.000,40960.000,43008.000,45056.000,47104.000,49152.000};
static long int32toilong_data[DIMSIZE]={0,2048,4096,6144,8192,10240,12288,14336,16384,18432,20480,22528,24576,26624,28672,30720,32768,34816,36864,38912,40960,43008,45056,47104,49152};
static float float32_data[DIMSIZE]={0.000,0.010,0.020,0.030,0.040,0.050,0.060,0.070,0.080,0.090,0.100,0.110,0.120,0.130,0.140,0.149,0.159,0.169,0.179,0.189,0.199,0.208,0.218,0.228,0.238};
static double float64_data[DIMSIZE]={1.000,1.000,1.000,1.000,0.999,0.999,0.998,0.998,0.997,0.996,0.995,0.994,0.993,0.992,0.990,0.989,0.987,0.986,0.984,0.982,0.980,0.978,0.976,0.974,0.971};

#ifndef USE_NETCDF4
static char string3_data[DIMSIZE][STRLEN]={"This is a data test string (pass 0).","This is a data test string (pass 1).","This is a data test string (pass 2).","This is a data test string (pass 3).","This is a data test string (pass 4).","This is a data test string (pass 5).","This is a data test string (pass 6).","This is a data test string (pass 7).","This is a data test string (pass 8).","This is a data test string (pass 9).","This is a data test string (pass 10).","This is a data test string (pass 11).","This is a data test string (pass 12).","This is a data test string (pass 13).","This is a data test string (pass 14).","This is a data test string (pass 15).","This is a data test string (pass 16).","This is a data test string (pass 17).","This is a data test string (pass 18).","This is a data test string (pass 19).","This is a data test string (pass 20).","This is a data test string (pass 21).","This is a data test string (pass 22).","This is a data test string (pass 23).","This is a data test string (pass 24)."};
#endif

static void
compare(nc_type t1, nc_type t2, void* v0, void* vdata0, char* tag,
	char* file, int line)
{
    int i;
    fprintf(stdout,"*** testing: %s\n",tag); \

#ifdef DEBUG
#define test \
    printf("v ="); \
    for(i=0;i<DIMSIZE;i++) {printf(" %llu",(unsigned long long)v[i]);} \
    printf("\n"); \
    printf("vdata ="); \
    for(i=0;i<DIMSIZE;i++) {printf(" %llu",(unsigned long long)vdata[i]);} \
    printf("\n"); \
    for(i=0;i<DIMSIZE;i++) {\
        if(v[i] != vdata[i]) {report(i,tag,line); break;}\
    }
#define ftest \
    printf("v ="); \
    for(i=0;i<DIMSIZE;i++) {printf(" %g",v[i]);} \
    printf("\n"); \
    printf("vdata ="); \
    for(i=0;i<DIMSIZE;i++) {printf(" %g",vdata[i]);} \
    printf("\n"); \
    for(i=0;i<DIMSIZE;i++) {\
        if(fdiff((double)v[i],(double)vdata[i])) {report(i,tag,line); break;}\
    }
#else
#define test for(i=0;i<DIMSIZE;i++) {\
        if(v[i] != vdata[i]) {report(i,tag,line); break;}\
    }
#define ftest for(i=0;i<DIMSIZE;i++) {\
        if(fdiff((double)v[i],(double)vdata[i])) {report(i,tag,line); break;}\
    }
#endif

#define setup(T) T* v = (T*)v0; T* vdata = (T*)vdata0;

#define CASE(nc1,nc2) (nc1*256+nc2)
    switch(CASE(t1,t2)) {

    default: {
	printf("unexpected compare:  %d %d\n",(int)t1,(int)t2);
	abort();
    }

case CASE(NC_CHAR,NC_CHAR): {
    setup(char);
    test;
} break;
case CASE(NC_BYTE,NC_BYTE): {
    setup(signed char);
    test;
} break;
case CASE(NC_SHORT,NC_SHORT): {
    setup(short);
    test;
} break;
case CASE(NC_INT,NC_INT): {
    setup(int);
    test;
} break;
case CASE(NC_FLOAT,NC_FLOAT): {
    setup(float);
    ftest;
} break;
case CASE(NC_DOUBLE,NC_DOUBLE): {
    setup(double);
    ftest;
} break;


/* Mixed comparisons */
case CASE(NC_BYTE,NC_INT): {
    setup(int);
    test;
} break;
case CASE(NC_SHORT,NC_INT): {
    setup(int);
    test;
} break;
case CASE(NC_SHORT,NC_FLOAT): {
    setup(float);
    ftest;
} break;
case CASE(NC_INT,NC_FLOAT): {
    setup(float);
    ftest;
} break;

/* This is an get_var_long case */
case CASE(NC_INT,NC_NAT): {
    setup(long);
    test;
} break;

case CASE(NC_UBYTE,NC_UBYTE): {
    setup(unsigned char);
    test;
} break;
case CASE(NC_USHORT,NC_USHORT): {
    setup(unsigned short);
    test;
} break;
case CASE(NC_UINT,NC_UINT): {
    setup(unsigned int);
    test;
} break;

/* Mixed cases */
case CASE(NC_INT,NC_INT64): {
    setup(long long);
    test;
} break;

case CASE(NC_INT,NC_UINT64): {
    setup(unsigned long long);
    test;
} break;

case CASE(NC_STRING,NC_STRING):{
    setup(char*);
    for(i=0;i<DIMSIZE;i++) {
	if(strcmp(v[i],vdata[i])!=0) {report(i,tag,line); break;}
    }
} break;

case CASE(NC_CHAR,NC_STRING):{
    setup(char*);
    if(memcmp((void*)v[0],(void*)vdata,DIMSIZE+1)!=0)
        {report(0,tag,line);}
} break;

    } /*switch*/
}