Add basic unit tests
diff --git a/tests/FishhookTests.m b/tests/FishhookTests.m new file mode 100644 index 0000000..0a54bc9 --- /dev/null +++ b/tests/FishhookTests.m
@@ -0,0 +1,34 @@ +/* + * Copyright (c) 2016-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + */ + +#import <XCTest/XCTest.h> + +#include "fishhook.h" + +static __typeof__(&atoi) orig_atoi; + +static int fast_atoi(const char *str) +{ + return str[0] - '0'; +} + +@interface FishhookTests : XCTestCase +@end + +@implementation FishhookTests + +- (void)testHookAtoi +{ + rebind_symbols((struct rebinding[1]){{"atoi", fast_atoi, (void *)&orig_atoi}}, 1); + XCTAssertEqual(atoi("1"), 1); + XCTAssertNotEqual(atoi("12"), 12); +} + +@end
diff --git a/tests/fishhook-tests.xcodeproj/project.pbxproj b/tests/fishhook-tests.xcodeproj/project.pbxproj new file mode 100644 index 0000000..4c28cfe --- /dev/null +++ b/tests/fishhook-tests.xcodeproj/project.pbxproj
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diff --git a/tests/fishhook-tests.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/tests/fishhook-tests.xcodeproj/project.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..69be54c --- /dev/null +++ b/tests/fishhook-tests.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@ +<?xml version="1.0" encoding="UTF-8"?> +<Workspace + version = "1.0"> + <FileRef + location = "self:fishhook-tests.xcodeproj"> + </FileRef> +</Workspace>