jdk-24/test/hotspot/gtest/testutils.hpp

/*
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 * Copyright (c) 2021 SAP SE. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef TESTUTILS_HPP
#define TESTUTILS_HPP

#include "memory/allStatic.hpp"
#include "utilities/globalDefinitions.hpp"
#include "unittest.hpp"

class GtestUtils : public AllStatic {
public:

  // Fill range with a byte mark.
  // Tolerates p == NULL or s == 0.
  static void mark_range_with(void* p, size_t s, uint8_t mark);

  // Given a memory range, check that the whole range is filled with the expected byte.
  // If not, hex dump around first non-matching address and return false.
  // If p == NULL or size == 0, returns true.
  static bool check_range(const void* p, size_t s, uint8_t expected);

  // Convenience method with a predefined byte mark.
  static void mark_range(void* p, size_t s)           { mark_range_with(p, s, 32); }
  static bool check_range(const void* p, size_t s)    { return check_range(p, s, 32); }

};

#define ASSERT_RANGE_IS_MARKED_WITH(p, size, mark)  ASSERT_TRUE(GtestUtils::check_range(p, size, mark))
#define ASSERT_RANGE_IS_MARKED(p, size)             ASSERT_TRUE(GtestUtils::check_range(p, size))

// Convenience asserts
#define ASSERT_NOT_NULL(p)  ASSERT_NE(p2i(p), 0)
#define ASSERT_NULL(p)      ASSERT_EQ(p2i(p), 0)

#define ASSERT_ALIGN(p, n) ASSERT_TRUE(is_aligned(p, n))

#endif // TESTUTILS_HPP