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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "scoped_ptrs_util.h"
namespace nss_test {
struct SomeContext {
uint8_t some_buf[13];
void *mem;
};
template <class T>
struct ScopedDelete {
void operator()(T *ptr) {
if (ptr) {
PORT_Free(ptr->mem);
}
}
};
typedef std::unique_ptr<SomeContext, ScopedDelete<SomeContext> >
ScopedSomeContext;
class AlignedMallocTest : public ::testing::Test,
public ::testing::WithParamInterface<size_t> {
protected:
ScopedSomeContext test_align_new(size_t alignment) {
ScopedSomeContext ctx(PORT_ZNewAligned(SomeContext, alignment, mem));
return ctx;
};
ScopedSomeContext test_align_alloc(size_t alignment) {
void *mem = nullptr;
ScopedSomeContext ctx((SomeContext *)PORT_ZAllocAligned(sizeof(SomeContext),
alignment, &mem));
if (ctx) {
ctx->mem = mem;
}
return ctx;
}
};
TEST_P(AlignedMallocTest, TestNew) {
size_t alignment = GetParam();
ScopedSomeContext ctx = test_align_new(alignment);
EXPECT_TRUE(ctx.get());
EXPECT_EQ(0U, (uintptr_t)ctx.get() % alignment);
}
TEST_P(AlignedMallocTest, TestAlloc) {
size_t alignment = GetParam();
ScopedSomeContext ctx = test_align_alloc(alignment);
EXPECT_TRUE(ctx.get());
EXPECT_EQ(0U, (uintptr_t)ctx.get() % alignment);
}
class AlignedMallocTestBadSize : public AlignedMallocTest {};
TEST_P(AlignedMallocTestBadSize, TestNew) {
size_t alignment = GetParam();
ScopedSomeContext ctx = test_align_new(alignment);
EXPECT_FALSE(ctx.get());
}
TEST_P(AlignedMallocTestBadSize, TestAlloc) {
size_t alignment = GetParam();
ScopedSomeContext ctx = test_align_alloc(alignment);
EXPECT_FALSE(ctx.get());
}
static const size_t kSizes[] = {1, 2, 4, 8, 16, 32, 64};
static const size_t kBadSizes[] = {0, 7, 17, 24, 56};
INSTANTIATE_TEST_SUITE_P(AllAligned, AlignedMallocTest,
::testing::ValuesIn(kSizes));
INSTANTIATE_TEST_SUITE_P(AllAlignedBadSize, AlignedMallocTestBadSize,
::testing::ValuesIn(kBadSizes));
} // namespace nss_test
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