2946cd7010
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
//===-- interception_linux_test.cc ----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of ThreadSanitizer/AddressSanitizer runtime.
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// Tests for interception_linux.h.
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//
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//===----------------------------------------------------------------------===//
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// Do not declare isdigit in ctype.h.
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#define __NO_CTYPE
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#include "interception/interception.h"
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#include "gtest/gtest.h"
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// Too slow for debug build
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#if !SANITIZER_DEBUG
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#if SANITIZER_LINUX
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static int InterceptorFunctionCalled;
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DECLARE_REAL(int, isdigit, int);
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INTERCEPTOR(int, isdigit, int d) {
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++InterceptorFunctionCalled;
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return d >= '0' && d <= '9';
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}
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namespace __interception {
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TEST(Interception, GetRealFunctionAddress) {
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uptr malloc_address = 0;
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EXPECT_TRUE(GetRealFunctionAddress("malloc", &malloc_address, 0, 0));
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EXPECT_NE(0U, malloc_address);
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uptr dummy_address = 0;
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EXPECT_TRUE(
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GetRealFunctionAddress("dummy_doesnt_exist__", &dummy_address, 0, 0));
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EXPECT_EQ(0U, dummy_address);
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}
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TEST(Interception, Basic) {
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ASSERT_TRUE(INTERCEPT_FUNCTION(isdigit));
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// After interception, the counter should be incremented.
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InterceptorFunctionCalled = 0;
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EXPECT_NE(0, isdigit('1'));
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EXPECT_EQ(1, InterceptorFunctionCalled);
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EXPECT_EQ(0, isdigit('a'));
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EXPECT_EQ(2, InterceptorFunctionCalled);
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// Calling the REAL function should not affect the counter.
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InterceptorFunctionCalled = 0;
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EXPECT_NE(0, REAL(isdigit)('1'));
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EXPECT_EQ(0, REAL(isdigit)('a'));
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EXPECT_EQ(0, InterceptorFunctionCalled);
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}
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} // namespace __interception
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#endif // SANITIZER_LINUX
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#endif // #if !SANITIZER_DEBUG
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