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authorQuincey Koziol <koziol@hdfgroup.org>2005-03-04 23:49:15 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2005-03-04 23:49:15 (GMT)
commit156505bbf949f120261bbe1727eca092fa7c387a (patch)
tree8d16b91439dc6b2208ea0085e01a7b4bdff00967 /test/btree2.c
parent7e0e9edc44c94ba8424228422a4a037dfd88fbb4 (diff)
downloadhdf5-156505bbf949f120261bbe1727eca092fa7c387a.zip
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[svn-r10151] Purpose:
New feature Description: Add code to handle 2->1 node merges during record removal. Platforms tested: FreeBSD 4.11 (sleipnir) Solaris 2.9 (shanti)
Diffstat (limited to 'test/btree2.c')
-rw-r--r--test/btree2.c158
1 files changed, 156 insertions, 2 deletions
diff --git a/test/btree2.c b/test/btree2.c
index 6c6486a..466be7d 100644
--- a/test/btree2.c
+++ b/test/btree2.c
@@ -2411,7 +2411,6 @@ test_remove_level1_redistrib(hid_t fapl)
haddr_t bt2_addr; /* Address of B-tree created */
haddr_t root_addr; /* Address of root of B-tree created */
unsigned u; /* Local index variable */
- herr_t ret; /* Generic error return value */
h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
@@ -2550,7 +2549,161 @@ error:
H5Fclose(file);
} H5E_END_TRY;
return 1;
-} /* test_remove_level1_noredistrib() */
+} /* test_remove_level1_redistrib() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: test_remove_level1_2leaf_merge
+ *
+ * Purpose: Basic tests for the B-tree v2 code
+ *
+ * Return: Success: 0
+ *
+ * Failure: 1
+ *
+ * Programmer: Quincey Koziol
+ * Friday, March 4, 2005
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static int
+test_remove_level1_2leaf_merge(hid_t fapl)
+{
+ hid_t file=-1;
+ char filename[1024];
+ H5F_t *f=NULL;
+ hsize_t record; /* Record to insert into tree */
+ hsize_t nrec; /* Number of records in B-tree */
+ haddr_t bt2_addr; /* Address of B-tree created */
+ haddr_t root_addr; /* Address of root of B-tree created */
+ unsigned u; /* Local index variable */
+
+ h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
+
+ /* Create the file to work on */
+ if ((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0) TEST_ERROR;
+
+ /* Get a pointer to the internal file object */
+ if (NULL==(f=H5I_object(file))) {
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ TEST_ERROR;
+ }
+
+ /*
+ * Test v2 B-tree creation
+ */
+ if (H5B2_create(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, 512, 8, 100, 40, &bt2_addr/*out*/)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ }
+
+ /* Create level-1 B-tree with 3 leaves */
+ for(u=0; u<INSERT_SPLIT_ROOT_NREC*2; u++) {
+ record=u;
+ if (H5B2_insert(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, bt2_addr, &record)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ }
+ }
+
+ /* Query the number of records in the B-tree */
+ if (H5B2_get_nrec(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, bt2_addr, &nrec)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ } /* end if */
+
+ /* Make certain that the # of records is correct */
+ if(nrec != (INSERT_SPLIT_ROOT_NREC*2)) TEST_ERROR;
+
+ /* Query the address of the root node in the B-tree */
+ if (H5B2_get_root_addr(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, bt2_addr, &root_addr)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ } /* end if */
+
+ /* Make certain that the address of the root node is defined */
+ if(!H5F_addr_defined(root_addr)) TEST_ERROR;
+
+ /* Attempt to remove enough records from right leaf of a level-1 B-tree to force redistribution */
+ TESTING("B-tree remove: merge 2 leaves to 1 in level-1 B-tree (r->l)");
+ for(u=0; u < INSERT_SPLIT_ROOT_NREC; u++) {
+ record = (INSERT_SPLIT_ROOT_NREC*2)-(u+1);
+ if(H5B2_remove(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, bt2_addr, &record)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ } /* end if */
+
+ /* Make certain that the record value is correct */
+ if(record != ((INSERT_SPLIT_ROOT_NREC*2)-(u+1))) TEST_ERROR;
+
+ /* Query the number of records in the B-tree */
+ if (H5B2_get_nrec(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, bt2_addr, &nrec)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ } /* end if */
+
+ /* Make certain that the # of records is correct */
+ if(nrec != ((INSERT_SPLIT_ROOT_NREC*2)-(u+1))) TEST_ERROR;
+ } /* end for */
+
+ PASSED();
+
+ /* Attempt to remove enough records from left leaf of a level-1 B-tree to force redistribution */
+ TESTING("B-tree remove: merge 2 leaves to 1 in level-1 B-tree (l->r)");
+
+ /* Fill B-tree back up */
+ for(u=0; u<INSERT_SPLIT_ROOT_NREC; u++) {
+ record=INSERT_SPLIT_ROOT_NREC+u;
+ if (H5B2_insert(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, bt2_addr, &record)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ }
+ }
+
+ /* Remove records */
+ for(u=0; u < INSERT_SPLIT_ROOT_NREC; u++) {
+ record = u;
+ if(H5B2_remove(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, bt2_addr, &record)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ } /* end if */
+
+ /* Make certain that the record value is correct */
+ if(record != u) TEST_ERROR;
+
+ /* Query the number of records in the B-tree */
+ if (H5B2_get_nrec(f, H5P_DATASET_XFER_DEFAULT, H5B2_TEST, bt2_addr, &nrec)<0) {
+ H5_FAILED();
+ H5Eprint_stack(H5E_DEFAULT, stdout);
+ goto error;
+ } /* end if */
+
+ /* Make certain that the # of records is correct */
+ if(nrec != ((INSERT_SPLIT_ROOT_NREC*2)-(u+1))) TEST_ERROR;
+ } /* end for */
+
+ PASSED();
+
+ if (H5Fclose(file)<0) TEST_ERROR;
+
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Fclose(file);
+ } H5E_END_TRY;
+ return 1;
+} /* test_remove_level1_2leaf_merge() */
/*-------------------------------------------------------------------------
@@ -2606,6 +2759,7 @@ HDfprintf(stderr,"Uncomment tests!\n");
nerrors += test_remove_basic(fapl);
nerrors += test_remove_level1_noredistrib(fapl);
nerrors += test_remove_level1_redistrib(fapl);
+ nerrors += test_remove_level1_2leaf_merge(fapl);
#else /* QAK */
HDfprintf(stderr,"Uncomment tests!\n");
#endif /* QAK */