jdk-24/test/hotspot/gtest/gc/z/test_zVirtualMemory.cpp

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#include "precompiled.hpp"
#include "gc/z/zVirtualMemory.inline.hpp"
#include "unittest.hpp"

TEST(ZVirtualMemory, split) {
  ZVirtualMemory vmem(zoffset(0), 10);

  ZVirtualMemory vmem0 = vmem.split(0);
  EXPECT_EQ(vmem0.size(), 0u);
  EXPECT_EQ(vmem.size(), 10u);

  ZVirtualMemory vmem1 = vmem.split(5);
  EXPECT_EQ(vmem1.size(), 5u);
  EXPECT_EQ(vmem.size(), 5u);

  ZVirtualMemory vmem2 = vmem.split(5);
  EXPECT_EQ(vmem2.size(), 5u);
  EXPECT_EQ(vmem.size(), 0u);

  ZVirtualMemory vmem3 = vmem.split(0);
  EXPECT_EQ(vmem3.size(), 0u);
}