Import testsuite

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@32225 72102866-910b-0410-8b05-ffd578937521

Tests/gui/TextSystem/repeatedAttachmentCellHeight.m

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+/*
+copyright 2004 Alexander Malmberg <alexander@malmberg.org>
+
+Check that the layour process doesn't get stuck if we try to make a cell fill
+the entire height of a line frag.
+*/
+
+#include <Foundation/NSAutoreleasePool.h>
+#include <Foundation/NSString.h>
+#include <AppKit/NSApplication.h>
+#include <AppKit/NSAttributedString.h>
+#include <AppKit/NSLayoutManager.h>
+#include <AppKit/NSTextContainer.h>
+#include <AppKit/NSTextStorage.h>
+
+@interface MyCell : NSTextAttachmentCell
+@end
+
+@implementation MyCell
+
+-(NSRect) cellFrameForTextContainer: (NSTextContainer *)textContainer
+	proposedLineFragment: (NSRect)lineFrag
+	glyphPosition: (NSPoint)p
+	characterIndex: (unsigned int)charIndex
+{
+static int count;
+	/* This should only be called once. */
+	if (count)
+		exit(1);
+	count++;
+	return NSMakeRect(0,-p.y,50,lineFrag.size.height);
+}
+
+@end
+
+int main(int argc, char **argv)
+{
+	unichar chars[4]={'a','b','c',NSAttachmentCharacter};
+	CREATE_AUTORELEASE_POOL(arp);
+	NSTextStorage *text;
+	NSLayoutManager *lm;
+	NSTextContainer *tc;
+	NSTextAttachment *ta;
+
+	[NSApplication sharedApplication];
+
+	text=[[NSTextStorage alloc] init];
+	lm=[[NSLayoutManager alloc] init];
+	tc=[[NSTextContainer alloc] initWithContainerSize: NSMakeSize(500,5000)];
+	[lm addTextContainer: tc];
+	[text addLayoutManager: lm];
+
+	ta=[[NSTextAttachment alloc] init];
+	[ta setAttachmentCell: [[MyCell alloc] init]];
+
+	[text beginEditing];
+	[text appendAttributedString:
+		[[NSAttributedString alloc] initWithString:
+			[NSString stringWithCharacters: chars length: 4]]];
+	[text addAttribute: NSAttachmentAttributeName
+		value: ta
+		range: NSMakeRange(3,1)];
+	[text endEditing];
+	[lm usedRectForTextContainer: tc];
+
+	DESTROY(arp);
+	return 0;
+}
+