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Mozilla/mozilla/layout/base/tests/TestSpaceManager.cpp
dbaron%fas.harvard.edu 8b3489a026 Bug 86947: 
Make the line list doubly linked and access it through a list class and iterators.
Stop recomputing margins on all of the children of each block in the reflow chain (which causes O(N^2) state recovery during incremental reflow).  Instead, add a second dirty bit to the lines and walk backwards through the line list to recompute vertical margins only when either dirty bit is set and the previous line was not reflowed.  Add nsIFrame::IsEmpty to identify frames through which margins collapse.
Fix O(N^2) propagation of float damage by maintaining a set of intervals damaged by floats (bug 61962) and be sure to damage the correct areas (bug 48138).
Introduce nsCollapsingMargin to do correct collapsing of combinations of positive and negative margins (bug 50142).
Clean up some odds and ends and fix another smaller O(N^2) problem in nsBlockFrame::AddFrames.
r=attinasi, rbs  sr=waterson


git-svn-id: svn://10.0.0.236/trunk@106224 18797224-902f-48f8-a5cc-f745e15eee43
2001-10-25 01:08:40 +00:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <stdio.h>
#include "nscore.h"
#include "nsCRT.h"
#ifndef XP_UNIX
#include "nscoord.h"
#endif
#include "nsSpaceManager.h"
class MySpaceManager: public nsSpaceManager {
public:
MySpaceManager(nsIPresShell* aPresShell, nsIFrame* aFrame)
: nsSpaceManager(aPresShell, aFrame) {}
PRBool TestAddBand();
PRBool TestAddBandOverlap();
PRBool TestAddRectToBand();
PRBool TestRemoveRegion();
PRBool TestOffsetRegion();
PRBool TestResizeRectRegion();
PRBool TestGetBandData();
protected:
#ifdef AIX
public:
#endif // AIX
struct BandInfo {
nscoord yOffset;
nscoord height;
BandRect* firstRect;
PRIntn numRects;
};
struct BandsInfo {
PRIntn numBands;
BandInfo bands[25];
};
#ifdef AIX
protected:
#endif // AIX
void GetBandsInfo(BandsInfo&);
};
void MySpaceManager::GetBandsInfo(BandsInfo& aBandsInfo)
{
aBandsInfo.numBands = 0;
if (!mBandList.IsEmpty()) {
BandRect* band = mBandList.Head();
while (nsnull != band) {
BandInfo& info = aBandsInfo.bands[aBandsInfo.numBands];
info.yOffset = band->mTop;
info.height = band->mBottom - band->mTop;
info.firstRect = band;
aBandsInfo.numBands++;
// Get the next band, and count the number of rects in this band
info.numRects = 0;
while (info.yOffset == band->mTop) {
info.numRects++;
band = band->Next();
if (band == &mBandList) {
// No bands left
band = nsnull;
break;
}
}
}
}
}
///////////////////////////////////////////////////////////////////////////////
//
// Test of adding a rect region that causes a new band to be created (no
// overlap with an existing band)
//
// This tests the following:
// 1. when there are no existing bands
// 2. adding a new band above the topmost band
// 3. inserting a new band between two existing bands
// 4. adding a new band below the bottommost band
PRBool MySpaceManager::TestAddBand()
{
BandsInfo bandsInfo;
nsresult status;
// Clear any existing regions
ClearRegions();
NS_ASSERTION(mBandList.IsEmpty(), "clear regions failed");
/////////////////////////////////////////////////////////////////////////////
// #1. Add a rect region. Verify the return status, and that a band rect is
// added
status = AddRectRegion((nsIFrame*)0x01, nsRect(10, 100, 100, 100));
if (NS_FAILED(status)) {
printf("TestAddBand: add failed (#1)\n");
return PR_FALSE;
}
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 1) {
printf("TestAddBand: wrong number of bands (#1): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if ((bandsInfo.bands[0].yOffset != 100) || (bandsInfo.bands[0].height != 100)) {
printf("TestAddBand: wrong band size (#1)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #2. Add another band rect completely above the first band rect
status = AddRectRegion((nsIFrame*)0x02, nsRect(10, -10, 100, 20));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 2) {
printf("TestAddBand: wrong number of bands (#2): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if ((bandsInfo.bands[0].yOffset != -10) || (bandsInfo.bands[0].height != 20) ||
(bandsInfo.bands[1].yOffset != 100) || (bandsInfo.bands[1].height != 100)) {
printf("TestAddBand: wrong band sizes (#2)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #3. Now insert a new band between the two existing bands
status = AddRectRegion((nsIFrame*)0x03, nsRect(10, 40, 100, 30));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 3) {
printf("TestAddBand: wrong number of bands (#3): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if ((bandsInfo.bands[0].yOffset != -10) || (bandsInfo.bands[0].height != 20) ||
(bandsInfo.bands[1].yOffset != 40) || (bandsInfo.bands[1].height != 30) ||
(bandsInfo.bands[2].yOffset != 100) || (bandsInfo.bands[2].height != 100)) {
printf("TestAddBand: wrong band sizes (#3)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #4. Append a new bottommost band
status = AddRectRegion((nsIFrame*)0x04, nsRect(10, 210, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 4) {
printf("TestAddBand: wrong number of bands (#4): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if ((bandsInfo.bands[0].yOffset != -10) || (bandsInfo.bands[0].height != 20) ||
(bandsInfo.bands[1].yOffset != 40) || (bandsInfo.bands[1].height != 30) ||
(bandsInfo.bands[2].yOffset != 100) || (bandsInfo.bands[2].height != 100) ||
(bandsInfo.bands[3].yOffset != 210) || (bandsInfo.bands[3].height != 100)) {
printf("TestAddBand: wrong band sizes (#4)\n");
return PR_FALSE;
}
return PR_TRUE;
}
// Test of adding a rect region that overlaps an existing band
//
// This tests the following:
// 1. Adding a rect that's above and partially overlaps an existing band
// 2. Adding a rect that's completely contained by an existing band
// 3. Adding a rect that overlaps and is below an existing band
// 3. Adding a rect that contains an existing band
PRBool MySpaceManager::TestAddBandOverlap()
{
BandsInfo bandsInfo;
nsresult status;
// Clear any existing regions
ClearRegions();
NS_ASSERTION(mBandList.IsEmpty(), "clear regions failed");
// Add a new band
status = AddRectRegion((nsIFrame*)0x01, nsRect(100, 25, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
/////////////////////////////////////////////////////////////////////////////
// #1. Add a rect region that's above and partially overlaps an existing band
status = AddRectRegion((nsIFrame*)0x02, nsRect(10, -25, 50, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 3) {
printf("TestAddBandOverlap: wrong number of bands (#1): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if ((bandsInfo.bands[0].yOffset != -25) || (bandsInfo.bands[0].height != 50) ||
(bandsInfo.bands[1].yOffset != 25) || (bandsInfo.bands[1].height != 50) ||
(bandsInfo.bands[2].yOffset != 75) || (bandsInfo.bands[2].height != 50)) {
printf("TestAddBandOverlap: wrong band sizes (#1)\n");
return PR_FALSE;
}
if ((bandsInfo.bands[0].numRects != 1) ||
(bandsInfo.bands[1].numRects != 2) ||
(bandsInfo.bands[2].numRects != 1)) {
printf("TestAddBandOverlap: wrong number of rects (#1)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #2. Add a rect region that's contained by the first band
status = AddRectRegion((nsIFrame*)0x03, nsRect(200, -15, 50, 10));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 5) {
printf("TestAddBandOverlap: wrong number of bands (#2): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if ((bandsInfo.bands[0].yOffset != -25) || (bandsInfo.bands[0].height != 10) ||
(bandsInfo.bands[1].yOffset != -15) || (bandsInfo.bands[1].height != 10) ||
(bandsInfo.bands[2].yOffset != -5) || (bandsInfo.bands[2].height != 30) ||
(bandsInfo.bands[3].yOffset != 25) || (bandsInfo.bands[3].height != 50) ||
(bandsInfo.bands[4].yOffset != 75) || (bandsInfo.bands[4].height != 50)) {
printf("TestAddBandOverlap: wrong band sizes (#2)\n");
return PR_FALSE;
}
if ((bandsInfo.bands[0].numRects != 1) ||
(bandsInfo.bands[1].numRects != 2) ||
(bandsInfo.bands[2].numRects != 1) ||
(bandsInfo.bands[3].numRects != 2) ||
(bandsInfo.bands[4].numRects != 1)) {
printf("TestAddBandOverlap: wrong number of rects (#2)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #3. Add a rect that overlaps and is below an existing band
status = AddRectRegion((nsIFrame*)0x04, nsRect(200, 100, 50, 50));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 7) {
printf("TestAddBandOverlap: wrong number of bands (#3): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if ((bandsInfo.bands[0].yOffset != -25) || (bandsInfo.bands[0].height != 10) ||
(bandsInfo.bands[1].yOffset != -15) || (bandsInfo.bands[1].height != 10) ||
(bandsInfo.bands[2].yOffset != -5) || (bandsInfo.bands[2].height != 30) ||
(bandsInfo.bands[3].yOffset != 25) || (bandsInfo.bands[3].height != 50) ||
(bandsInfo.bands[4].yOffset != 75) || (bandsInfo.bands[4].height != 25) ||
(bandsInfo.bands[5].yOffset != 100) || (bandsInfo.bands[5].height != 25) ||
(bandsInfo.bands[6].yOffset != 125) || (bandsInfo.bands[6].height != 25)) {
printf("TestAddBandOverlap: wrong band sizes (#3)\n");
return PR_FALSE;
}
if ((bandsInfo.bands[0].numRects != 1) ||
(bandsInfo.bands[1].numRects != 2) ||
(bandsInfo.bands[2].numRects != 1) ||
(bandsInfo.bands[3].numRects != 2) ||
(bandsInfo.bands[4].numRects != 1) ||
(bandsInfo.bands[5].numRects != 2) ||
(bandsInfo.bands[6].numRects != 1)) {
printf("TestAddBandOverlap: wrong number of rects (#3)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #4. Now test adding a rect that contains an existing band
ClearRegions();
status = AddRectRegion((nsIFrame*)0x01, nsRect(100, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
// Now add a rect that contains the existing band vertically
status = AddRectRegion((nsIFrame*)0x02, nsRect(200, 50, 100, 200));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 3) {
printf("TestAddBandOverlap: wrong number of bands (#4): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if ((bandsInfo.bands[0].yOffset != 50) || (bandsInfo.bands[0].height != 50) ||
(bandsInfo.bands[1].yOffset != 100) || (bandsInfo.bands[1].height != 100) ||
(bandsInfo.bands[2].yOffset != 200) || (bandsInfo.bands[2].height != 50)) {
printf("TestAddBandOverlap: wrong band sizes (#4)\n");
return PR_FALSE;
}
if ((bandsInfo.bands[0].numRects != 1) ||
(bandsInfo.bands[1].numRects != 2) ||
(bandsInfo.bands[2].numRects != 1)) {
printf("TestAddBandOverlap: wrong number of rects (#4)\n");
return PR_FALSE;
}
return PR_TRUE;
}
// Test of adding rects within an existing band
//
// This tests the following:
// 1. Add a rect to the left of an existing rect
// 2. Add a rect to the right of the rightmost rect
// 3. Add a rect that's to the left of an existing rect and that overlaps it
// 4. Add a rect that's to the right of an existing rect and that overlaps it
// 5. Add a rect over top of an existing rect (existing rect contains new rect)
// 6. Add a new rect that completely contains an existing rect
PRBool MySpaceManager::TestAddRectToBand()
{
BandsInfo bandsInfo;
BandRect* bandRect;
nsresult status;
// Clear any existing regions
ClearRegions();
NS_ASSERTION(mBandList.IsEmpty(), "clear regions failed");
// Add a new band
status = AddRectRegion((nsIFrame*)0x01, nsRect(100, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
/////////////////////////////////////////////////////////////////////////////
// #1. Add a rect region that's to the left of the existing rect
status = AddRectRegion((nsIFrame*)0x02, nsRect(10, 100, 50, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 1) {
printf("TestAddRectToBand: wrong number of bands (#1): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if (bandsInfo.bands[0].numRects != 2) {
printf("TestAddRectToBand: wrong number of rects (#1): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
bandRect = bandsInfo.bands[0].firstRect;
if ((bandRect->mLeft != 10) || (bandRect->mRight != 60)) {
printf("TestAddRectToBand: wrong first rect (#1)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 100) || (bandRect->mRight != 200)) {
printf("TestAddRectToBand: wrong second rect (#1)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #2. Add a rect region that's to the right of the rightmost rect
status = AddRectRegion((nsIFrame*)0x03, nsRect(250, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
NS_ASSERTION(bandsInfo.numBands == 1, "wrong number of bands");
if (bandsInfo.bands[0].numRects != 3) {
printf("TestAddRectToBand: wrong number of rects (#2): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
bandRect = bandsInfo.bands[0].firstRect;
if ((bandRect->mLeft != 10) || (bandRect->mRight != 60)) {
printf("TestAddRectToBand: wrong first rect (#2)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 100) || (bandRect->mRight != 200)) {
printf("TestAddRectToBand: wrong second rect (#2)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 250) || (bandRect->mRight != 350)) {
printf("TestAddRectToBand: wrong third rect (#2)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #3. Add a rect region that's to the left of an existing rect and that
// overlaps the rect
status = AddRectRegion((nsIFrame*)0x04, nsRect(80, 100, 40, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
NS_ASSERTION(bandsInfo.numBands == 1, "wrong number of bands");
if (bandsInfo.bands[0].numRects != 5) {
printf("TestAddRectToBand: wrong number of rects (#3): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
bandRect = bandsInfo.bands[0].firstRect;
if ((bandRect->mLeft != 10) || (bandRect->mRight != 60)) {
printf("TestAddRectToBand: wrong first rect (#3)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 80) || (bandRect->mRight != 100)) {
printf("TestAddRectToBand: wrong second rect (#3)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 100) || (bandRect->mRight != 120) ||
(bandRect->mNumFrames != 2) || !bandRect->IsOccupiedBy((nsIFrame*)0x04)) {
printf("TestAddRectToBand: wrong third rect (#3)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 120) || (bandRect->mRight != 200)) {
printf("TestAddRectToBand: wrong fourth rect (#3)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 250) || (bandRect->mRight != 350)) {
printf("TestAddRectToBand: wrong fifth rect (#3)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #4. Add a rect region that's to the right of an existing rect and that
// overlaps the rect
status = AddRectRegion((nsIFrame*)0x05, nsRect(50, 100, 20, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
NS_ASSERTION(bandsInfo.numBands == 1, "wrong number of bands");
if (bandsInfo.bands[0].numRects != 7) {
printf("TestAddRectToBand: wrong number of rects (#4): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
bandRect = bandsInfo.bands[0].firstRect;
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 10) || (bandRect->mRight != 50)) {
printf("TestAddRectToBand: wrong first rect (#4)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 50) || (bandRect->mRight != 60) ||
(bandRect->mNumFrames != 2) || !bandRect->IsOccupiedBy((nsIFrame*)0x05)) {
printf("TestAddRectToBand: wrong second rect (#4)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 60) || (bandRect->mRight != 70)) {
printf("TestAddRectToBand: wrong third rect (#4)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 80) || (bandRect->mRight != 100)) {
printf("TestAddRectToBand: wrong fourth rect (#4)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #5. Add a new rect over top of an existing rect (existing rect contains
// the new rect)
status = AddRectRegion((nsIFrame*)0x06, nsRect(20, 100, 20, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
NS_ASSERTION(bandsInfo.numBands == 1, "wrong number of bands");
if (bandsInfo.bands[0].numRects != 9) {
printf("TestAddRectToBand: wrong number of rects (#5): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
bandRect = bandsInfo.bands[0].firstRect;
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 10) || (bandRect->mRight != 20)) {
printf("TestAddRectToBand: wrong first rect (#5)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 20) || (bandRect->mRight != 40) ||
(bandRect->mNumFrames != 2) || !bandRect->IsOccupiedBy((nsIFrame*)0x06)) {
printf("TestAddRectToBand: wrong second rect (#5)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 40) || (bandRect->mRight != 50)) {
printf("TestAddRectToBand: wrong third rect (#5)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 50) || (bandRect->mRight != 60) || (bandRect->mNumFrames != 2)) {
printf("TestAddRectToBand: wrong fourth rect (#5)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #6. Add a new rect that completely contains an existing rect
status = AddRectRegion((nsIFrame*)0x07, nsRect(0, 100, 30, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
NS_ASSERTION(bandsInfo.numBands == 1, "wrong number of bands");
if (bandsInfo.bands[0].numRects != 11) {
printf("TestAddRectToBand: wrong number of rects (#6): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
bandRect = bandsInfo.bands[0].firstRect;
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 0) || (bandRect->mRight != 10)) {
printf("TestAddRectToBand: wrong first rect (#6)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 10) || (bandRect->mRight != 20) ||
(bandRect->mNumFrames != 2) || !bandRect->IsOccupiedBy((nsIFrame*)0x07)) {
printf("TestAddRectToBand: wrong second rect (#6)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 20) || (bandRect->mRight != 30) ||
(bandRect->mNumFrames != 3) || !bandRect->IsOccupiedBy((nsIFrame*)0x07)) {
printf("TestAddRectToBand: wrong third rect (#6)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
if ((bandRect->mLeft != 30) || (bandRect->mRight != 40) || (bandRect->mNumFrames != 2)) {
printf("TestAddRectToBand: wrong fourth rect (#6)\n");
return PR_FALSE;
}
bandRect = bandRect->Next();
NS_ASSERTION(1 == bandRect->mNumFrames, "unexpected shared rect");
if ((bandRect->mLeft != 40) || (bandRect->mRight != 50)) {
printf("TestAddRectToBand: wrong fifth rect (#6)\n");
return PR_FALSE;
}
return PR_TRUE;
}
// Test of removing regions. We especially need to test that we correctly
// coalesce adjacent rects and bands
//
// This tests the following:
// 1. simple test of removing the one and only band rect
// 2. removing a shared rect and verifying adjacent rects are coalesced
// 3. removing a band rect and making sure adjacent bands are combined
PRBool MySpaceManager::TestRemoveRegion()
{
BandsInfo bandsInfo;
BandRect* bandRect;
nsresult status;
// Clear any existing regions
ClearRegions();
NS_ASSERTION(mBandList.IsEmpty(), "clear regions failed");
/////////////////////////////////////////////////////////////////////////////
// #1. A simple test of removing the one and only band rect
status = AddRectRegion((nsIFrame*)0x01, nsRect(10, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
status = RemoveRegion((nsIFrame*)0x01);
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 0) {
printf("TestRemoveRegion: wrong number of bands (#1): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #2. Test removing a rect that's shared. Make sure adjacent rects are
// coalesced
status = AddRectRegion((nsIFrame*)0x01, nsRect(10, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
status = AddRectRegion((nsIFrame*)0x02, nsRect(40, 100, 20, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
// Verify there are three rects in the band
GetBandsInfo(bandsInfo);
if (bandsInfo.bands[0].numRects != 3) {
printf("TestRemoveRegion: wrong number of rects (#2): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
// Remove the region associated with the second frame
status = RemoveRegion((nsIFrame*)0x02);
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.bands[0].numRects != 1) {
printf("TestRemoveRegion: failed to coalesce adjacent rects (#2)\n");
return PR_FALSE;
}
bandRect = bandsInfo.bands[0].firstRect;
if ((bandRect->mLeft != 10) || (bandRect->mRight != 110)) {
printf("TestRemoveRegion: wrong size rect (#2)\n");
return PR_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// #3. Test removing a band rect and making sure adjacent bands are combined
status = AddRectRegion((nsIFrame*)0x02, nsRect(10, 140, 20, 20));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
// Verify there are three bands and that each band has three rects
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 3) {
printf("TestRemoveRegion: wrong number of bands (#3): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if (bandsInfo.bands[0].numRects != 1) {
printf("TestRemoveRegion: band #1 wrong number of rects (#3): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
if (bandsInfo.bands[1].numRects != 2) {
printf("TestRemoveRegion: band #2 wrong number of rects (#3): %i\n", bandsInfo.bands[1].numRects);
return PR_FALSE;
}
if (bandsInfo.bands[2].numRects != 1) {
printf("TestRemoveRegion: band #3 wrong number of rects (#3): %i\n", bandsInfo.bands[2].numRects);
return PR_FALSE;
}
// Remove the region associated with the second frame
status = RemoveRegion((nsIFrame*)0x02);
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
GetBandsInfo(bandsInfo);
if (bandsInfo.bands[0].numRects != 1) {
printf("TestRemoveRegion: failed to coalesce adjacent rects (#3)\n");
return PR_FALSE;
}
bandRect = bandsInfo.bands[0].firstRect;
if ((bandRect->mLeft != 10) || (bandRect->mRight != 110)) {
printf("TestRemoveRegion: wrong size rect (#3)\n");
return PR_FALSE;
}
return PR_TRUE;
}
// Test of offseting regions
//
// This tests the following:
// 1. simple test of offseting the one and only band rect
PRBool MySpaceManager::TestOffsetRegion()
{
BandsInfo bandsInfo;
BandRect* bandRect;
nsresult status;
// Clear any existing regions
ClearRegions();
NS_ASSERTION(mBandList.IsEmpty(), "clear regions failed");
/////////////////////////////////////////////////////////////////////////////
// #1. A simple test of offseting the one and only band rect
status = AddRectRegion((nsIFrame*)0x01, nsRect(10, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
status = OffsetRegion((nsIFrame*)0x01, 50, 50);
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
// Verify there is one band with one rect
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 1) {
printf("TestOffsetRegion: wrong number of bands (#1): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if (bandsInfo.bands[0].numRects != 1) {
printf("TestOffsetRegion: wrong number of rects (#1): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
// Verify the position
bandRect = bandsInfo.bands[0].firstRect;
if ((bandRect->mLeft != 60) || (bandRect->mTop != 150)) {
printf("TestOffsetRegion: wrong rect origin (#1)\n");
return PR_FALSE;
}
return PR_TRUE;
}
// Test of resizing rect regions
//
// This tests the following:
// 1. simple test of resizing the one and only band rect
PRBool MySpaceManager::TestResizeRectRegion()
{
BandsInfo bandsInfo;
BandRect* bandRect;
nsresult status;
// Clear any existing regions
ClearRegions();
NS_ASSERTION(mBandList.IsEmpty(), "clear regions failed");
/////////////////////////////////////////////////////////////////////////////
// #1. A simple test of resizing the right edge of the one and only band rect
status = AddRectRegion((nsIFrame*)0x01, nsRect(10, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
status = ResizeRectRegion((nsIFrame*)0x01, 50, 50, nsISpaceManager::RightEdge);
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
// Verify there is one band with one rect
GetBandsInfo(bandsInfo);
if (bandsInfo.numBands != 1) {
printf("TestResizeRectRegion: wrong number of bands (#1): %i\n", bandsInfo.numBands);
return PR_FALSE;
}
if (bandsInfo.bands[0].numRects != 1) {
printf("TestResizeRectRegion: wrong number of rects (#1): %i\n", bandsInfo.bands[0].numRects);
return PR_FALSE;
}
// Verify the position and size of the rect
bandRect = bandsInfo.bands[0].firstRect;
if ((bandRect->mLeft != 10) || (bandRect->mTop != 100) ||
(bandRect->mRight != 160) || (bandRect->mBottom != 250)) {
printf("TestResizeRectRegion: wrong rect shape (#1)\n");
return PR_FALSE;
}
return PR_TRUE;
}
// Test of getting the band data
PRBool MySpaceManager::TestGetBandData()
{
nsresult status;
nscoord yMost;
// Clear any existing regions
ClearRegions();
NS_ASSERTION(mBandList.IsEmpty(), "clear regions failed");
// Make sure YMost() returns the correct result
if (NS_ERROR_ABORT != YMost(yMost)) {
printf("TestGetBandData: YMost() returned wrong result (#1)\n");
return PR_FALSE;
}
// Make a band with three rects
status = AddRectRegion((nsIFrame*)0x01, nsRect(100, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
status = AddRectRegion((nsIFrame*)0x02, nsRect(300, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
status = AddRectRegion((nsIFrame*)0x03, nsRect(500, 100, 100, 100));
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
// Verify that YMost() is correct
if ((NS_OK != YMost(yMost)) || (yMost != 200)) {
printf("TestGetBandData: YMost() returned wrong value (#2)\n");
return PR_FALSE;
}
// Get the band data using a very large clip rect and a band data struct
// that's large enough
nsBandData bandData;
nsBandTrapezoid trapezoids[16];
bandData.mSize = 16;
bandData.mTrapezoids = trapezoids;
status = GetBandData(100, nsSize(10000,10000), bandData);
NS_ASSERTION(NS_SUCCEEDED(status), "unexpected status");
// Verify that there are seven trapezoids
if (bandData.mCount != 7) {
printf("TestGetBandData: wrong trapezoid count (#3)\n");
return PR_FALSE;
}
// Get the band data using a very large clip rect and a band data struct
// that's too small
bandData.mSize = 3;
status = GetBandData(100, nsSize(10000,10000), bandData);
if (NS_SUCCEEDED(status)) {
printf("TestGetBandData: ignored band data count (#4)\n");
return PR_FALSE;
}
// Make sure the count has been updated to reflect the number of trapezoids
// required
if (bandData.mCount <= bandData.mSize) {
printf("TestGetBandData: bad band data count (#5)\n");
return PR_FALSE;
}
// XXX We need lots more tests here...
return PR_TRUE;
}
///////////////////////////////////////////////////////////////////////////////
//
int main(int argc, char** argv)
{
// Create a space manager
MySpaceManager* spaceMgr = new MySpaceManager(nsnull, nsnull);
NS_ADDREF(spaceMgr);
// Test adding rect regions
if (!spaceMgr->TestAddBand()) {
NS_RELEASE(spaceMgr);
return -1;
}
// Test adding rect regions that overlap existing bands
if (!spaceMgr->TestAddBandOverlap()) {
NS_RELEASE(spaceMgr);
return -1;
}
// Test adding rects within an existing band
if (!spaceMgr->TestAddRectToBand()) {
NS_RELEASE(spaceMgr);
return -1;
}
// Test removing regions
if (!spaceMgr->TestRemoveRegion()) {
return -1;
}
// Test offseting regions
if (!spaceMgr->TestOffsetRegion()) {
return -1;
}
// Test resizing rect regions
if (!spaceMgr->TestResizeRectRegion()) {
return -1;
}
// Test getting the band data
if (!spaceMgr->TestGetBandData()) {
return -1;
}
NS_RELEASE(spaceMgr);
return 0;
}
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