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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/mac/call_with_eh_frame.h"
#import <Foundation/Foundation.h>
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
namespace mac {
namespace {
class CallWithEHFrameTest : public testing::Test {
protected:
void ThrowException() {
@throw [NSException exceptionWithName:@"TestException"
reason:@"Testing exceptions"
userInfo:nil];
}
};
// Catching from within the EHFrame is allowed.
TEST_F(CallWithEHFrameTest, CatchExceptionHigher) {
bool __block saw_exception = false;
base::mac::CallWithEHFrame(^{
@try {
ThrowException();
} @catch (NSException* exception) {
saw_exception = true;
}
});
EXPECT_TRUE(saw_exception);
}
// Trying to catch an exception outside the EHFrame is blocked.
TEST_F(CallWithEHFrameTest, CatchExceptionLower) {
auto catch_exception_lower = ^{
bool saw_exception = false;
@try {
base::mac::CallWithEHFrame(^{
ThrowException();
});
} @catch (NSException* exception) {
saw_exception = true;
}
ASSERT_FALSE(saw_exception);
};
EXPECT_DEATH(catch_exception_lower(), "");
}
} // namespace
} // namespace mac
} // namespace base
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