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-//
-// GTMUIKit+UnitTesting.h
-//
-// Code for making unit testing of graphics/UI easier. Generally you
-// will only want to look at the macros:
-// GTMAssertDrawingEqualToFile
-// GTMAssertViewRepEqualToFile
-// and the protocol GTMUnitTestViewDrawer. When using these routines
-// make sure you are using device colors and not calibrated/generic colors
-// or else your test graphics WILL NOT match across devices/graphics cards.
-//
-// Copyright 2006-2008 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-// License for the specific language governing permissions and limitations under
-// the License.
-//
-
-#import <UIKit/UIKit.h>
-#import "GTMNSObject+UnitTesting.h"
-
-@protocol GTMUnitTestViewDrawer;
-
-// Fails when the |a1|'s drawing in an area |a2| does not equal the image file named |a3|.
-// See the description of the GTMAssertViewRepEqualToFile macro
-// to understand how |a3| is found and written out.
-// See the description of the GTMUnitTestView for a better idea
-// how the view works.
-// Implemented as a macro to match the rest of the SenTest macros.
-//
-// Args:
-// a1: The object that implements the GTMUnitTestViewDrawer protocol
-// that is doing the drawing.
-// a2: The size of the drawing
-// a3: The name of the image file to check against.
-// Do not include the extension
-// a4: contextInfo to pass to drawer
-// description: A format string as in the printf() function.
-// Can be nil or an empty string but must be present.
-// ...: A variable number of arguments to the format string. Can be absent.
-//
-
-#define GTMAssertDrawingEqualToFile(a1, a2, a3, a4, description, ...) \
- do { \
- id<GTMUnitTestViewDrawer> a1Drawer = (a1); \
- CGSize a2Size = (a2); \
- NSString* a3String = (a3); \
- void *a4ContextInfo = (a4); \
- CGRect frame = CGRectMake(0, 0, a2Size.width, a2Size.height); \
- GTMUnitTestView *view = [[[GTMUnitTestView alloc] initWithFrame:frame drawer:a1Drawer contextInfo:a4ContextInfo] autorelease]; \
- GTMAssertObjectImageEqualToImageNamed(view, a3String, @"%@", STComposeString(description, ##__VA_ARGS__)); \
- } while(0)
-
-// Category for making unit testing of graphics/UI easier.
-
-// Allows you to take a state of a view. Supports both image and state.
-// See GTMNSObject+UnitTesting.h for details.
-@interface UIView (GTMUnitTestingAdditions) <GTMUnitTestingImaging>
-
-// Encodes the state of an object in a manner suitable for comparing against a master state file
-// This enables us to determine whether the object is in a suitable state.
-//
-// Arguments:
-// inCoder - the coder to encode our state into
-- (void)gtm_unitTestEncodeState:(NSCoder*)inCoder;
-
-// Returns whether gtm_unitTestEncodeState should recurse into subviews
-//
-// Returns:
-// should gtm_unitTestEncodeState pick up subview state.
-- (BOOL)gtm_shouldEncodeStateForSubviews;
-@end
-
-// Category to help UIImage testing. UIImage can be tested using
-// GTMAssertObjectImageEqualToImageNamed macro, which automatically creates
-// result images and diff images in case test fails.
-@interface UIImage (GTMUnitTestingAdditions) <GTMUnitTestingImaging>
-@end
-
-// A view that allows you to delegate out drawing using the formal
-// GTMUnitTestViewDelegate protocol
-// This is useful when writing up unit tests for visual elements.
-// Your test will often end up looking like this:
-// - (void)testFoo {
-// GTMAssertDrawingEqualToFile(self, CGSizeMake(200, 200), @"Foo", nil, nil);
-// }
-// and your testSuite will also implement the unitTestViewDrawRect method to do
-// it's actual drawing. The above creates a view of size 200x200 that draws
-// it's content using |self|'s unitTestViewDrawRect method and compares it to
-// the contents of the file Foo.tif to make sure it's valid
-@interface GTMUnitTestView : UIView {
- @private
- id<GTMUnitTestViewDrawer> drawer_; // delegate for doing drawing (STRONG)
- void* contextInfo_; // info passed in by user for them to use when drawing
-}
-
-// Create a GTMUnitTestView.
-//
-// Args:
-// rect: the area to draw.
-// drawer: the object that will do the drawing via the GTMUnitTestViewDrawer
-// protocol
-// contextInfo:
-- (id)initWithFrame:(CGRect)frame drawer:(id<GTMUnitTestViewDrawer>)drawer contextInfo:(void*)contextInfo;
-
-@end
-
-/// \cond Protocols
-
-// Formal protocol for doing unit testing of views. See description of
-// GTMUnitTestView for details.
-@protocol GTMUnitTestViewDrawer <NSObject>
-
-// Draw the view. Equivalent to drawRect on a standard UIView.
-//
-// Args:
-// rect: the area to draw.
-- (void)gtm_unitTestViewDrawRect:(CGRect)rect contextInfo:(void*)contextInfo;
-
-@end