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Merge pull request #171 from redboltz/fixed_zone_alignment

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Fixed zone alignment
This commit is contained in:
Nobuyuki Kubota
2015-01-02 11:37:01 -08:00
parent 7ccef5b787 8b796dc788
commit 57732f0c1b
5 changed files with 84 additions and 20 deletions
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25
test/zone.cpp
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@@ -4,12 +4,28 @@
TEST(zone, allocate_align)
{
msgpack::zone z;
char* buf1 = (char*)z.allocate_align(4);
memcpy(buf1, "test", 4);
char* buf2 = (char*)z.allocate_align(4);
memcpy(buf2, "test", 4);
char* start = (char*)z.allocate_align(1);
EXPECT_EQ(reinterpret_cast<std::size_t>(start) % sizeof(int), 0);
for (std::size_t s = 1; s < sizeof(int); ++s) {
z.allocate_no_align(s);
char* buf_a = (char*)z.allocate_align(1);
EXPECT_EQ(0, reinterpret_cast<std::size_t>(buf_a) % sizeof(int));
}
}
TEST(zone, allocate_align_custom)
{
msgpack::zone z;
for (std::size_t align = 1; align < 64; ++align) {
char* start = (char*)z.allocate_align(1, align);
EXPECT_EQ(reinterpret_cast<std::size_t>(start) % align, 0);
for (std::size_t s = 1; s < align; ++s) {
(char*)z.allocate_no_align(s);
char* buf_a = (char*)z.allocate_align(1, align);
EXPECT_EQ(0, reinterpret_cast<std::size_t>(buf_a) % align);
}
}
}
class myclass {
public:
@@ -75,4 +91,3 @@ TEST(zone, allocate_no_align)
char* buf2 = (char*)z.allocate_no_align(4);
EXPECT_EQ(buf1+4, buf2);
}