* Tests/gui/NSView/NSView_autoresize_and_rounding.m:

Add a test for NSView autoresizing and rounding


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@33471 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,8 @@
+2011-07-06  Eric Wasylishen  <ewasylishen@gmail.com>
+
+	* Tests/gui/NSView/NSView_autoresize_and_rounding.m:
+	Add a test for NSView autoresizing and rounding
+
 2011-07-06  Eric Wasylishen  <ewasylishen@gmail.com>
 
 	* configure:

Tests/gui/NSView/NSView_autoresize_and_rounding.m

@@ -0,0 +1,89 @@
+//
+//  NSView_autoresize_and_rounding.m
+//
+//  Created by Eric Wasylishen on 06.07.11
+//
+#include "Testing.h"
+
+#include <math.h>
+
+#include <Foundation/NSAutoreleasePool.h>
+#include <AppKit/NSApplication.h>
+#include <AppKit/NSView.h>
+#include <AppKit/NSWindow.h>
+#include <AppKit/NSTextView.h>
+
+int CHECK(NSView *view, NSRect frame)
+{
+	NSRect r;
+
+	r = [view frame];
+	if (fabs(r.origin.x - frame.origin.x)>0.001
+	 || fabs(r.origin.y - frame.origin.y)>0.001
+	 || fabs(r.size.width - frame.size.width)>0.001
+	 || fabs(r.size.height - frame.size.height)>0.001)
+	{
+		printf("(1) expected frame (%g %g)+(%g %g), got (%g %g)+(%g %g)\n",
+			frame.origin.x, frame.origin.y, frame.size.width, frame.size.height,
+			r.origin.x, r.origin.y, r.size.width, r.size.height);
+
+		return 0;
+	}
+	return 1;
+}
+
+int main(int argc, char **argv)
+{
+	CREATE_AUTORELEASE_POOL(arp);
+
+	NSWindow *window;
+	NSView *view1;
+	int passed = 1;
+
+	[NSApplication sharedApplication];
+	window = [[NSWindow alloc] initWithContentRect: NSMakeRect(100,100,100,100)
+		styleMask: NSClosableWindowMask
+		backing: NSBackingStoreRetained
+		defer: YES];
+
+	view1 = [[NSView alloc] initWithFrame: NSMakeRect(10,10,10,10)];
+	[view1 setAutoresizingMask: NSViewMinXMargin |
+	       NSViewWidthSizable |
+	       NSViewMaxXMargin |
+	       NSViewMinYMargin |
+	       NSViewHeightSizable |
+	       NSViewMaxYMargin ];
+	
+	[[window contentView] addSubview: view1];
+
+	// All autoresize masks are enabled. Check that halving the
+	// width and height of the window works as expected.
+
+	passed = CHECK(view1, NSMakeRect(10,10,10,10)) && passed;
+	[window setContentSize: NSMakeSize(50, 50)]; // reduce to 50%
+	passed = CHECK(view1, NSMakeRect(5,5,5,5)) && passed;
+
+	[window setContentSize: NSMakeSize(100, 100)]; // restore
+	passed = CHECK(view1, NSMakeRect(10,10,10,10)) && passed;
+
+	[window setContentSize: NSMakeSize(33, 33)]; // reduce to 33%
+	// NOTE: Frame should be rounded from NSMakeRect(3.3,3.3,3.3,3.3) to
+	// NSMakeRect(3,3,3,3)
+	passed = CHECK(view1, NSMakeRect(3,3,3,3)) && passed;
+
+	[window setContentSize: NSMakeSize(100, 100)]; // restore
+	// NOTE: The following shows that the precision lost in the rounding
+	// shown in the previous test was saved by the view
+	passed = CHECK(view1, NSMakeRect(10,10,10,10)) && passed;
+
+
+	// Now test that we can still set fractional frames
+
+	[view1 setFrame: NSMakeRect(1.5, 1.5, 1.5, 1.5)];
+	passed = CHECK(view1, NSMakeRect(1.5, 1.5, 1.5, 1.5)) && passed;
+
+	pass(passed,"NSView autoresize rounding works");
+
+	DESTROY(arp);
+	return 0;
+}