mirror of
https://github.com/firebase/firebase-ios-sdk
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67 lines
2.6 KiB
Objective-C
67 lines
2.6 KiB
Objective-C
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <XCTest/XCTest.h>
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#import "FirebasePerformance/Sources/Instrumentation/FPRObjectInstrumentor.h"
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@interface FPRObjectInstrumentorTest : XCTestCase
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@end
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@implementation FPRObjectInstrumentorTest
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/** Exists only as a donor method. */
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- (void)donorMethod {
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}
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/** Tests initialization works. */
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- (void)testInitWithObject {
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NSObject *object = [[NSObject alloc] init];
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FPRObjectInstrumentor *instrumentor = [[FPRObjectInstrumentor alloc] initWithObject:object];
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XCTAssertNotNil(instrumentor);
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XCTAssertNotNil(instrumentor.instrumentedObject);
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XCTAssertFalse(instrumentor.hasModifications);
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}
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/** Tests copying a selector that's not present on the target object. */
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- (void)testCopySelectorFromClassThatModifies {
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NSObject *object = [[NSObject alloc] init];
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FPRObjectInstrumentor *instrumentor = [[FPRObjectInstrumentor alloc] initWithObject:object];
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__weak FPRObjectInstrumentor *weakInstrumentor = instrumentor;
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[instrumentor copySelector:@selector(donorMethod) fromClass:[self class] isClassSelector:NO];
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XCTAssertTrue([instrumentor hasModifications]);
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[instrumentor swizzle];
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XCTAssertNoThrow([object performSelector:@selector(donorMethod) withObject:nil]);
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XCTAssertNotEqual([object class], [NSObject class]);
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XCTAssertTrue([[object class] isSubclassOfClass:[NSObject class]]);
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instrumentor = nil;
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XCTAssertNil(weakInstrumentor);
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XCTAssertNoThrow([(GULSwizzledObject *)object gul_class]);
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XCTAssertEqual([object class], [(GULSwizzledObject *)object gul_class]);
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XCTAssertNotNil([(GULSwizzledObject *)object gul_objectSwizzler]);
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}
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/** Tests copying a selector that already exists on the object doesn't work. */
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- (void)testCopySelectorFromClassThatDoesNotModify {
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NSObject *object = [[NSObject alloc] init];
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FPRObjectInstrumentor *instrumentor = [[FPRObjectInstrumentor alloc] initWithObject:object];
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[instrumentor copySelector:@selector(description) fromClass:[self class] isClassSelector:NO];
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XCTAssertFalse([instrumentor hasModifications]);
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[instrumentor swizzle];
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XCTAssertEqual([object class], [NSObject class]);
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}
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@end
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