forked from OSchip/llvm-project
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
//===-- basic.cpp -----------------------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "gwp_asan/tests/harness.h"
|
|
|
|
TEST_F(CustomGuardedPoolAllocator, BasicAllocation) {
|
|
InitNumSlots(1);
|
|
void *Ptr = GPA.allocate(1);
|
|
EXPECT_NE(nullptr, Ptr);
|
|
EXPECT_TRUE(GPA.pointerIsMine(Ptr));
|
|
EXPECT_EQ(1u, GPA.getSize(Ptr));
|
|
GPA.deallocate(Ptr);
|
|
}
|
|
|
|
TEST_F(DefaultGuardedPoolAllocator, NullptrIsNotMine) {
|
|
EXPECT_FALSE(GPA.pointerIsMine(nullptr));
|
|
}
|
|
|
|
TEST_F(CustomGuardedPoolAllocator, SizedAllocations) {
|
|
InitNumSlots(1);
|
|
|
|
std::size_t MaxAllocSize = GPA.getAllocatorState()->maximumAllocationSize();
|
|
EXPECT_TRUE(MaxAllocSize > 0);
|
|
|
|
for (unsigned AllocSize = 1; AllocSize <= MaxAllocSize; AllocSize <<= 1) {
|
|
void *Ptr = GPA.allocate(AllocSize);
|
|
EXPECT_NE(nullptr, Ptr);
|
|
EXPECT_TRUE(GPA.pointerIsMine(Ptr));
|
|
EXPECT_EQ(AllocSize, GPA.getSize(Ptr));
|
|
GPA.deallocate(Ptr);
|
|
}
|
|
}
|
|
|
|
TEST_F(DefaultGuardedPoolAllocator, TooLargeAllocation) {
|
|
EXPECT_EQ(nullptr,
|
|
GPA.allocate(GPA.getAllocatorState()->maximumAllocationSize() + 1));
|
|
}
|
|
|
|
TEST_F(CustomGuardedPoolAllocator, AllocAllSlots) {
|
|
constexpr unsigned kNumSlots = 128;
|
|
InitNumSlots(kNumSlots);
|
|
void *Ptrs[kNumSlots];
|
|
for (unsigned i = 0; i < kNumSlots; ++i) {
|
|
Ptrs[i] = GPA.allocate(1);
|
|
EXPECT_NE(nullptr, Ptrs[i]);
|
|
EXPECT_TRUE(GPA.pointerIsMine(Ptrs[i]));
|
|
}
|
|
|
|
// This allocation should fail as all the slots are used.
|
|
void *Ptr = GPA.allocate(1);
|
|
EXPECT_EQ(nullptr, Ptr);
|
|
EXPECT_FALSE(GPA.pointerIsMine(nullptr));
|
|
|
|
for (unsigned i = 0; i < kNumSlots; ++i)
|
|
GPA.deallocate(Ptrs[i]);
|
|
}
|