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81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
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#ident "Id:"
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// Test for #3748 (FIFO's do not shrink their size after a flush)
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// This test makes sure that the code that stabilizes fifos works.
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#include "includes.h"
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#include "test.h"
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int verbose;
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static void test_3748 (void) {
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FIFO f;
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int r;
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f = NULL;
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r = toku_fifo_create(&f);
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char *thekey = 0; int thekeylen;
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char *theval = 0; int thevallen;
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#define buildkey(len) { \
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thekeylen = len; \
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thekey = toku_realloc(thekey, thekeylen); \
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memset(thekey, len, thekeylen); \
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}
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#define buildval(len) { \
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thevallen = len+1; \
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theval = toku_realloc(theval, thevallen); \
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memset(theval, ~len, thevallen); \
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}
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MSN startmsn = ZERO_MSN;
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int N=1000;
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// enqueue some stuff
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for (int i=0; i<N; i++) {
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buildkey(i);
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buildval(i);
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XIDS xids = xids_get_root_xids();
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MSN msn = next_dummymsn();
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if (startmsn.msn == ZERO_MSN.msn)
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startmsn = msn;
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enum brt_msg_type type = (enum brt_msg_type) i;
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r = toku_fifo_enq(f, thekey, thekeylen, theval, thevallen, type, msn, xids, true, NULL); assert(r == 0);
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xids_destroy(&xids);
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}
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for (int i=N/10; i<N; i++) {
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r = toku_fifo_deq(f);
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}
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unsigned int msize0 = toku_fifo_memory_size(f);
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toku_fifo_size_is_stabilized(f);
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unsigned int msize1 = toku_fifo_memory_size(f);
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assert(msize1 < msize0);
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while (toku_fifo_deq(f) == 0)
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/*nothing*/;
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toku_fifo_size_is_stabilized(f);
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unsigned int msize2 = toku_fifo_memory_size(f);
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assert(msize2 < msize1);
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toku_fifo_free(&f);
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assert(f == 0);
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if (thekey) toku_free(thekey);
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if (theval) toku_free(theval);
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}
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int
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test_main(int argc, const char *argv[]) {
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default_parse_args(argc, argv);
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initialize_dummymsn();
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test_3748();
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return 0;
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}
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