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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/fastos/fastos.h>
#include <vespa/log/log.h>
LOG_SETUP("alignedmemory_test");
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/util/alignedmemory.h>
using namespace vespalib;
TEST_SETUP(Test);
int
Test::Main()
{
TEST_INIT("alignedmemory_test");
{ // aligned alloc
AlignedMemory mem8(32, 8);
AlignedMemory mem16(32, 16);
AlignedMemory mem512(32, 512);
AlignedMemory mem7(32, 7);
EXPECT_EQUAL(0u, ((uintptr_t)mem8.get()) % 8);
EXPECT_EQUAL(0u, ((uintptr_t)mem16.get()) % 16);
EXPECT_EQUAL(0u, ((uintptr_t)mem512.get()) % 512);
EXPECT_EQUAL(0u, ((uintptr_t)mem7.get()) % 7);
}
{ // swap
AlignedMemory a(32, 8);
AlignedMemory b(32, 8);
char *pa = a.get();
char *pb = b.get();
EXPECT_EQUAL(pa, a.get());
EXPECT_EQUAL(pb, b.get());
a.swap(b);
EXPECT_EQUAL(pb, a.get());
EXPECT_EQUAL(pa, b.get());
b.swap(a);
EXPECT_EQUAL(pa, a.get());
EXPECT_EQUAL(pb, b.get());
}
{ // std::swap
AlignedMemory a(32, 8);
AlignedMemory b(32, 8);
char *pa = a.get();
char *pb = b.get();
EXPECT_EQUAL(pa, a.get());
EXPECT_EQUAL(pb, b.get());
std::swap(a, b);
EXPECT_EQUAL(pb, a.get());
EXPECT_EQUAL(pa, b.get());
std::swap(a, b);
EXPECT_EQUAL(pa, a.get());
EXPECT_EQUAL(pb, b.get());
}
{ // construct with zero size
AlignedMemory null(0, 0);
char *expect = 0;
EXPECT_EQUAL(expect, null.get());
}
{ // const get()
const AlignedMemory null(0, 0);
const char *expect = 0;
const char *got = null.get();
EXPECT_EQUAL(expect, got);
}
TEST_DONE();
}
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