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60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/* -*- mode: C; c-basic-offset: 4 -*- */
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#ident "Copyright (c) 2007 Tokutek Inc. All rights reserved."
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#define _FILE_OFFSET_BITS 64
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#include "ybt.h"
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#include "memory.h"
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#include <assert.h>
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#include <string.h>
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static void ybt_test0 (void) {
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void *v0=0,*v1=0;
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DBT t0,t1;
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toku_init_dbt(&t0);
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toku_init_dbt(&t1);
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toku_dbt_set_value(&t0, "hello", 6, &v0);
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toku_dbt_set_value(&t1, "foo", 4, &v1);
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assert(t0.size==6);
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assert(strcmp(t0.data, "hello")==0);
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assert(t1.size==4);
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assert(strcmp(t1.data, "foo")==0);
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toku_dbt_set_value(&t1, "byebye", 7, &v0); /* Use v0, not v1 */
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// This assertion would be wrong, since v0 may have been realloc'd, and t0.data may now point
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// at the wrong place
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//assert(strcmp(t0.data, "byebye")==0); /* t0's data should be changed too, since it used v0 */
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assert(strcmp(t1.data, "byebye")==0);
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toku_free(v0); toku_free(v1);
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toku_memory_check_all_free();
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/* See if we can probe to find out how big something is by setting ulen=0 with YBT_USERMEM */
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toku_init_dbt(&t0);
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t0.flags = DB_DBT_USERMEM;
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t0.ulen = 0;
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toku_dbt_set_value(&t0, "hello", 6, 0);
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assert(t0.data==0);
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assert(t0.size==6);
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/* Check realloc. */
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toku_init_dbt(&t0);
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t0.flags = DB_DBT_REALLOC;
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v0 = 0;
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toku_dbt_set_value(&t0, "internationalization", 21, &v0);
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assert(v0==0); /* Didn't change v0 */
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assert(t0.size==21);
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assert(strcmp(t0.data, "internationalization")==0);
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toku_dbt_set_value(&t0, "provincial", 11, &v0);
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assert(t0.size==11);
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assert(strcmp(t0.data, "provincial")==0);
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toku_free(t0.data);
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toku_memory_check_all_free();
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}
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int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__unused__))) {
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ybt_test0();
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return 0;
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}
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