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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/libs/xpcom18a4/xpcom/tests/TestVoidBTree.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/tests/TestVoidBTree.cpp')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/tests/TestVoidBTree.cpp | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/tests/TestVoidBTree.cpp b/src/libs/xpcom18a4/xpcom/tests/TestVoidBTree.cpp new file mode 100644 index 00000000..956f179f --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/tests/TestVoidBTree.cpp @@ -0,0 +1,302 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org Code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#include <stdlib.h> +#include <stdio.h> +#include "nsVoidBTree.h" +#include "nsVoidArray.h" + +#define COUNT 1024 +#define POINTER(i) NS_REINTERPRET_CAST(void*, 4 + 4 * (i)) + +static PRBool +Equal(const nsVoidArray& aControl, const nsVoidBTree& aTest) +{ + if (aControl.Count() != aTest.Count()) { + printf("counts not equal; "); + return PR_FALSE; + } + + for (PRInt32 i = aControl.Count() - 1; i >= 0; --i) { + if (aControl[i] != aTest[i]) { + printf("element %d differs; ", i); + return PR_FALSE; + } + } + + return PR_TRUE; +} + + +static void +CheckForwardEnumeration(const nsVoidArray& aControl, const nsVoidBTree& aTest) +{ + PRInt32 index = 0; + + nsVoidBTree::ConstIterator last = aTest.Last(); + for (nsVoidBTree::ConstIterator element = aTest.First(); element != last; ++element, ++index) { + if (*element != aControl[index]) { + printf("failed forward enumeration\n"); + exit(-1); + } + } + + if (index != aControl.Count()) { + printf("erratic termination during forward enumeration\n"); + exit(-1); + } +} + +static void +CheckBackwardEnumeration(const nsVoidArray& aControl, const nsVoidBTree& aTest) +{ + PRInt32 index = aControl.Count(); + nsVoidBTree::ConstIterator first = aTest.First(); + nsVoidBTree::ConstIterator element = aTest.Last(); + + if (first != element) { + do { + if (*--element != aControl[--index]) { + printf("failed backward enumeration\n"); + exit(-1); + } + } while (element != first); + } + + if (index != 0) { + printf("erratic termination during backward enumeration\n"); + exit(-1); + } +} + +int main(int argc, char* argv[]) +{ + nsVoidBTree btree; + + PRInt32 i; + + //---------------------------------------- + // Tail fill + for (i = 0; i < COUNT; ++i) + btree.InsertElementAt(NS_REINTERPRET_CAST(void*, POINTER(i)), i); + + for (i = 0; i < COUNT; ++i) { + if (btree[i] != POINTER(i)) { + printf("tail fill failed\n"); + return -1; + } + } + + printf("tail fill succeeded\n"); + + //---------------------------------------- + // Tail empty + for (i = COUNT - 1; i >= 0; --i) + btree.RemoveElementAt(i); + + if (btree.Count() != 0) { + printf("tail empty failed\n"); + return -1; + } + + printf("tail empty succeeded\n"); + + // N.B. no intervening Clear() to verify that we handle the re-use + // case. + + //---------------------------------------- + // Front fill + for (i = 0; i < COUNT; ++i) + btree.InsertElementAt(POINTER(i), 0); + + for (i = 0; i < COUNT; ++i) { + if (btree[COUNT - (i + 1)] != POINTER(i)) { + printf("simple front fill failed\n"); + return -1; + } + } + + printf("front fill succeeded\n"); + + //---------------------------------------- + // Front empty + for (i = COUNT - 1; i >= 0; --i) + btree.RemoveElementAt(0); + + if (btree.Count() != 0) { + printf("front empty failed\n"); + return -1; + } + + printf("front empty succeeded\n"); + fflush(stdout); + + //---------------------------------------- + // Test boundary conditions with small btree + + { + printf("small btree boundary conditions "); + fflush(stdout); + + nsVoidArray control; + btree.Clear(); + + CheckBackwardEnumeration(control, btree); + CheckForwardEnumeration(control, btree); + + btree.AppendElement(POINTER(0)); + control.AppendElement(POINTER(0)); + + CheckBackwardEnumeration(control, btree); + CheckForwardEnumeration(control, btree); + + btree.AppendElement(POINTER(1)); + control.AppendElement(POINTER(1)); + + CheckBackwardEnumeration(control, btree); + CheckForwardEnumeration(control, btree); + + btree.RemoveElementAt(0); + btree.RemoveElementAt(0); + control.RemoveElementAt(0); + control.RemoveElementAt(0); + + CheckBackwardEnumeration(control, btree); + CheckForwardEnumeration(control, btree); + + printf("succeeded\n"); + } + + //---------------------------------------- + // Iterator + { + nsVoidArray control; + btree.Clear(); + + // Fill + for (i = 0; i < COUNT; ++i) { + PRInt32 slot = i ? rand() % i : 0; + + btree.InsertElementAt(POINTER(i), slot); + control.InsertElementAt(POINTER(i), slot); + + if (! Equal(control, btree)) { + printf("failed\n"); + return -1; + } + } + + for (nsVoidBTree::Iterator m = btree.First(); m != btree.Last(); ++m) { + nsVoidBTree::Iterator n; + for (n = m, ++n; n != btree.Last(); ++n) { + if (*m > *n) { + void* tmp = *m; + *m = *n; + *n = tmp; + } + } + } + + nsVoidBTree::Iterator el; + for (el = btree.First(), i = 0; el != btree.Last(); ++el, ++i) { + if (*el != POINTER(i)) { + printf("bubble sort failed\n"); + return -1; + } + } + + printf("iteration succeeded\n"); + } + + //---------------------------------------- + // Random hammering + + printf("random fill/empty: "); + + for (PRInt32 iter = 10; iter >= 1; --iter) { + printf("%d ", iter); + fflush(stdout); + + nsVoidArray control; + btree.Clear(); + + // Fill + for (i = 0; i < COUNT; ++i) { + PRInt32 slot = i ? rand() % i : 0; + + btree.InsertElementAt(POINTER(i), slot); + control.InsertElementAt(POINTER(i), slot); + + if (! Equal(control, btree)) { + printf("failed\n"); + return -1; + } + } + + // IndexOf + for (i = 0; i < COUNT; ++i) { + void* element = control[i]; + if (btree.IndexOf(element) != i) { + printf("failed IndexOf at %d\n", i); + return -1; + } + } + + // Backward enumeration + CheckBackwardEnumeration(control, btree); + + // Forward enumeration + CheckForwardEnumeration(control, btree); + + // Empty + for (i = COUNT - 1; i >= 0; --i) { + PRInt32 slot = i ? rand() % i : 0; + + btree.RemoveElementAt(slot); + control.RemoveElementAt(slot); + + if (! Equal(control, btree)) { + printf("failed\n"); + return -1; + } + } + } + + printf("succeeded\n"); + + return 0; +} |