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wine/dlls/user32/tests/text.c
Paul Vriens 4ac4401c41 user32/tests: Don't crash on NT4.
2008-10-09 13:14:44 +02:00

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/*
* DrawText tests
*
* Copyright (c) 2004 Zach Gorman
* Copyright 2007 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include "wine/test.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
static void test_DrawTextCalcRect(void)
{
HWND hwnd;
HDC hdc;
HFONT hFont, hOldFont;
LOGFONTA lf;
static CHAR text[] = "Example text for testing DrawText in "
"MM_HIENGLISH mode";
static WCHAR textW[] = {'W','i','d','e',' ','c','h','a','r',' ',
's','t','r','i','n','g','\0'};
static CHAR emptystring[] = "";
static WCHAR emptystringW[] = { 0 };
INT textlen, textheight;
RECT rect = { 0, 0, 100, 0 };
BOOL ret;
/* Initialization */
hwnd = CreateWindowExA(0, "static", NULL, WS_POPUP,
0, 0, 200, 200, 0, 0, 0, NULL);
ok(hwnd != 0, "CreateWindowExA error %u\n", GetLastError());
hdc = GetDC(hwnd);
ok(hdc != 0, "GetDC error %u\n", GetLastError());
trace("hdc %p\n", hdc);
textlen = lstrlenA(text);
/* LOGFONT initialization */
memset(&lf, 0, sizeof(lf));
lf.lfCharSet = ANSI_CHARSET;
lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lf.lfWeight = FW_DONTCARE;
lf.lfHeight = 0; /* mapping mode dependent */
lf.lfQuality = DEFAULT_QUALITY;
lstrcpyA(lf.lfFaceName, "Arial");
/* DrawText in MM_HIENGLISH with DT_CALCRECT */
SetMapMode(hdc, MM_HIENGLISH);
lf.lfHeight = 100 * 9 / 72; /* 9 point */
hFont = CreateFontIndirectA(&lf);
ok(hFont != 0, "CreateFontIndirectA error %u\n",
GetLastError());
hOldFont = SelectObject(hdc, hFont);
textheight = DrawTextA(hdc, text, textlen, &rect, DT_CALCRECT |
DT_EXTERNALLEADING | DT_WORDBREAK | DT_NOCLIP | DT_LEFT |
DT_NOPREFIX);
ok( textheight, "DrawTextA error %u\n", GetLastError());
trace("MM_HIENGLISH rect.bottom %d\n", rect.bottom);
todo_wine ok(rect.bottom < 0, "In MM_HIENGLISH, DrawText with "
"DT_CALCRECT should return a negative rectangle bottom. "
"(bot=%d)\n", rect.bottom);
SelectObject(hdc, hOldFont);
ret = DeleteObject(hFont);
ok( ret, "DeleteObject error %u\n", GetLastError());
/* DrawText in MM_TEXT with DT_CALCRECT */
SetMapMode(hdc, MM_TEXT);
lf.lfHeight = -MulDiv(9, GetDeviceCaps(hdc,
LOGPIXELSY), 72); /* 9 point */
hFont = CreateFontIndirectA(&lf);
ok(hFont != 0, "CreateFontIndirectA error %u\n",
GetLastError());
hOldFont = SelectObject(hdc, hFont);
textheight = DrawTextA(hdc, text, textlen, &rect, DT_CALCRECT |
DT_EXTERNALLEADING | DT_WORDBREAK | DT_NOCLIP | DT_LEFT |
DT_NOPREFIX);
ok( textheight, "DrawTextA error %u\n", GetLastError());
trace("MM_TEXT rect.bottom %d\n", rect.bottom);
ok(rect.bottom > 0, "In MM_TEXT, DrawText with DT_CALCRECT "
"should return a positive rectangle bottom. (bot=%d)\n",
rect.bottom);
/* empty or null text should in some cases calc an empty rectangle */
/* note: testing the function's return value is useless, it differs
* ( 0 or 1) on every Windows version I tried */
SetRect( &rect, 10,10, 100, 100);
textheight = DrawTextExA(hdc, text, 0, &rect, DT_CALCRECT, NULL );
ok( !(rect.left == rect.right && rect.bottom == rect.top),
"rectangle should NOT be empty got %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
SetRect( &rect, 10,10, 100, 100);
SetLastError( 0);
textheight = DrawTextExA(hdc, emptystring, -1, &rect, DT_CALCRECT, NULL );
ok( (rect.left == rect.right && rect.bottom == rect.top),
"rectangle should be empty got %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
SetRect( &rect, 10,10, 100, 100);
SetLastError( 0);
textheight = DrawTextExA(hdc, NULL, -1, &rect, DT_CALCRECT, NULL );
ok( (rect.left == rect.right && rect.bottom == rect.top),
"rectangle should be empty got %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
SetRect( &rect, 10,10, 100, 100);
textheight = DrawTextExA(hdc, NULL, 0, &rect, DT_CALCRECT, NULL );
ok( !(rect.left == rect.right && rect.bottom == rect.top),
"rectangle should NOT be empty got %d,%d-%d,%d\n", rect.left, rect.top, rect.right, rect.bottom );
/* Wide char versions */
SetRect( &rect, 10,10, 100, 100);
SetLastError( 0);
textheight = DrawTextExW(hdc, textW, 0, &rect, DT_CALCRECT, NULL );
if( GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) {
ok( !(rect.left == rect.right && rect.bottom == rect.top),
"rectangle should NOT be empty got %d,%d-%d,%d\n",
rect.left, rect.top, rect.right, rect.bottom );
SetRect( &rect, 10,10, 100, 100);
textheight = DrawTextExW(hdc, emptystringW, -1, &rect, DT_CALCRECT, NULL );
ok( (rect.left == rect.right && rect.bottom == rect.top),
"rectangle should be empty got %d,%d-%d,%d\n",
rect.left, rect.top, rect.right, rect.bottom );
if (0) {
SetRect( &rect, 10,10, 100, 100);
/* Crashes on NT4 */
textheight = DrawTextExW(hdc, NULL, -1, &rect, DT_CALCRECT, NULL );
ok( !(rect.left == rect.right && rect.bottom == rect.top),
"rectangle should NOT be empty got %d,%d-%d,%d\n",
rect.left, rect.top, rect.right, rect.bottom );
}
SetRect( &rect, 10,10, 100, 100);
textheight = DrawTextExW(hdc, NULL, 0, &rect, DT_CALCRECT, NULL );
ok( !(rect.left == rect.right && rect.bottom == rect.top),
"rectangle should NOT be empty got %d,%d-%d,%d\n",
rect.left, rect.top, rect.right, rect.bottom );
}
/* More test cases from bug 12226 */
SetRect(&rect, 0, 0, 0, 0);
textheight = DrawTextA(hdc, emptystring, -1, &rect, DT_CALCRECT | DT_LEFT | DT_SINGLELINE);
todo_wine ok(textheight, "DrawTextA error %u\n", GetLastError());
ok(0 == rect.left, "expected 0, got %d\n", rect.left);
ok(0 == rect.right, "expected 0, got %d\n", rect.right);
ok(0 == rect.top, "expected 0, got %d\n", rect.top);
todo_wine ok(rect.bottom, "rect.bottom should not be 0\n");
SetRect(&rect, 0, 0, 0, 0);
textheight = DrawTextW(hdc, emptystringW, -1, &rect, DT_CALCRECT | DT_LEFT | DT_SINGLELINE);
if (!textheight && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
{
win_skip( "DrawTextW not implemented\n" );
}
else
{
todo_wine ok(textheight, "DrawTextW error %u\n", GetLastError());
ok(0 == rect.left, "expected 0, got %d\n", rect.left);
ok(0 == rect.right, "expected 0, got %d\n", rect.right);
ok(0 == rect.top, "expected 0, got %d\n", rect.top);
todo_wine ok(rect.bottom, "rect.bottom should not be 0\n");
}
SelectObject(hdc, hOldFont);
ret = DeleteObject(hFont);
ok( ret, "DeleteObject error %u\n", GetLastError());
/* Clean up */
ret = ReleaseDC(hwnd, hdc);
ok( ret, "ReleaseDC error %u\n", GetLastError());
ret = DestroyWindow(hwnd);
ok( ret, "DestroyWindow error %u\n", GetLastError());
}
/* replace tabs by \t */
static void strfmt( const char *str, char *strout)
{
unsigned int i,j ;
for(i=0,j=0;i<=strlen(str);i++,j++)
if((strout[j]=str[i])=='\t') {
strout[j++]='\\';
strout[j]='t';
}
}
#define TABTEST( tabval, tabcount, string, _exp) \
{ int i,x_act, x_exp; char strdisp[64];\
for(i=0;i<8;i++) tabs[i]=(i+1)*(tabval); \
extent = GetTabbedTextExtentA( hdc, string, strlen( string), (tabcount), tabs); \
strfmt( string, strdisp); \
/* trace( "Extent is %08lx\n", extent); */\
x_act = LOWORD( extent); \
x_exp = (_exp); \
ok( x_act == x_exp, "Test case \"%s\". Text extent is %d, expected %d tab %d tabcount %d\n", \
strdisp, x_act, x_exp, tabval, tabcount); \
} \
static void test_TabbedText(void)
{
HWND hwnd;
HDC hdc;
BOOL ret;
TEXTMETRICA tm;
DWORD extent;
INT tabs[8], cx, cy, tab, tabcount,t,align;
/* Initialization */
hwnd = CreateWindowExA(0, "static", NULL, WS_POPUP,
0, 0, 200, 200, 0, 0, 0, NULL);
ok(hwnd != 0, "CreateWindowExA error %u\n", GetLastError());
hdc = GetDC(hwnd);
ok(hdc != 0, "GetDC error %u\n", GetLastError());
ret = GetTextMetricsA( hdc, &tm);
ok( ret, "GetTextMetrics error %u\n", GetLastError());
extent = GetTabbedTextExtentA( hdc, "x", 1, 1, tabs);
cx = LOWORD( extent);
cy = HIWORD( extent);
trace( "cx is %d cy is %d\n", cx, cy);
align=1;
for( t=-1; t<=1; t++) { /* slightly adjust the 4 char tabstop, to
catch the one off errors */
tab = (cx *4 + t);
/* test the special case tabcount =1 and the general array (80 of tabs */
for( tabcount = 1; tabcount <= 8; tabcount +=7) {
TABTEST( align * tab, tabcount, "\t", tab)
TABTEST( align * tab, tabcount, "xxx\t", tab)
TABTEST( align * tab, tabcount, "\tx", tab+cx)
TABTEST( align * tab, tabcount, "\t\t", tab*2)
TABTEST( align * tab, tabcount, "\tx\t", tab*2)
TABTEST( align * tab, tabcount, "x\tx", tab+cx)
TABTEST( align * tab, tabcount, "xx\tx", tab+cx)
TABTEST( align * tab, tabcount, "xxx\tx", tab+cx)
TABTEST( align * tab, tabcount, "xxxx\tx", t>0 ? tab + cx : 2*tab+cx)
TABTEST( align * tab, tabcount, "xxxxx\tx", 2*tab+cx)
}
}
align=-1;
for( t=-1; t<=1; t++) { /* slightly adjust the 4 char tabstop, to
catch the one off errors */
tab = (cx *4 + t);
/* test the special case tabcount =1 and the general array (8) of tabs */
for( tabcount = 1; tabcount <= 8; tabcount +=7) {
TABTEST( align * tab, tabcount, "\t", tab)
TABTEST( align * tab, tabcount, "xxx\t", tab)
TABTEST( align * tab, tabcount, "\tx", tab)
TABTEST( align * tab, tabcount, "\t\t", tab*2)
TABTEST( align * tab, tabcount, "\tx\t", tab*2)
TABTEST( align * tab, tabcount, "x\tx", tab)
TABTEST( align * tab, tabcount, "xx\tx", tab)
TABTEST( align * tab, tabcount, "xxx\tx", 4 * cx >= tab ? 2*tab :tab)
TABTEST( align * tab, tabcount, "xxxx\tx", 2*tab)
TABTEST( align * tab, tabcount, "xxxxx\tx", 2*tab)
}
}
ReleaseDC( hwnd, hdc );
DestroyWindow( hwnd );
}
static void test_DrawState(void)
{
static const char text[] = "Sample text string";
HWND hwnd;
HDC hdc;
BOOL ret;
hwnd = CreateWindowExA(0, "static", NULL, WS_POPUP,
0, 0, 200, 200, 0, 0, 0, NULL);
assert(hwnd);
hdc = GetDC(hwnd);
assert(hdc);
SetLastError(0xdeadbeef);
ret = DrawState(hdc, GetStockObject(DKGRAY_BRUSH), NULL, (LPARAM)text, strlen(text),
0, 0, 10, 10, DST_TEXT);
ok(ret, "DrawState error %u\n", GetLastError());
SetLastError(0xdeadbeef);
ret = DrawState(hdc, GetStockObject(DKGRAY_BRUSH), NULL, (LPARAM)text, 0,
0, 0, 10, 10, DST_TEXT);
ok(ret, "DrawState error %u\n", GetLastError());
SetLastError(0xdeadbeef);
ret = DrawState(hdc, GetStockObject(DKGRAY_BRUSH), NULL, 0, strlen(text),
0, 0, 10, 10, DST_TEXT);
ok(!ret, "DrawState succeeded\n");
ok(GetLastError() == 0xdeadbeef, "not expected error %u\n", GetLastError());
SetLastError(0xdeadbeef);
ret = DrawState(hdc, GetStockObject(DKGRAY_BRUSH), NULL, 0, 0,
0, 0, 10, 10, DST_TEXT);
ok(!ret, "DrawState succeeded\n");
ok(GetLastError() == 0xdeadbeef, "not expected error %u\n", GetLastError());
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);
}
START_TEST(text)
{
test_TabbedText();
test_DrawTextCalcRect();
test_DrawState();
}
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