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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include <iostream>
#include "common/SloppyCRCMap.h"
#include "common/Formatter.h"
#include <gtest/gtest.h>
using namespace std;
void dump(const SloppyCRCMap& scm)
{
Formatter *f = Formatter::create("json-pretty");
f->open_object_section("map");
scm.dump(f);
f->close_section();
f->flush(cout);
delete f;
}
TEST(SloppyCRCMap, basic) {
SloppyCRCMap scm(4);
bufferlist a, b;
a.append("The quick brown fox jumped over a fence whose color I forget.");
b.append("asdf");
scm.write(0, a.length(), a);
if (0)
dump(scm);
ASSERT_EQ(0, scm.read(0, a.length(), a, &cout));
scm.write(12, b.length(), b);
if (0)
dump(scm);
ASSERT_EQ(0, scm.read(12, b.length(), b, &cout));
ASSERT_EQ(1, scm.read(0, a.length(), a, &cout));
}
TEST(SloppyCRCMap, truncate) {
SloppyCRCMap scm(4);
bufferlist a, b;
a.append("asdf");
b.append("qwer");
scm.write(0, a.length(), a);
scm.write(4, a.length(), a);
ASSERT_EQ(0, scm.read(4, 4, a, &cout));
ASSERT_EQ(1, scm.read(4, 4, b, &cout));
scm.truncate(4);
ASSERT_EQ(0, scm.read(4, 4, b, &cout));
}
TEST(SloppyCRCMap, zero) {
SloppyCRCMap scm(4);
bufferlist a, b;
a.append("asdf");
b.append("qwer");
scm.write(0, a.length(), a);
scm.write(4, a.length(), a);
ASSERT_EQ(0, scm.read(4, 4, a, &cout));
ASSERT_EQ(1, scm.read(4, 4, b, &cout));
scm.zero(4, 4);
ASSERT_EQ(1, scm.read(4, 4, a, &cout));
ASSERT_EQ(1, scm.read(4, 4, b, &cout));
bufferptr bp(4);
bp.zero();
bufferlist c;
c.append(bp);
ASSERT_EQ(0, scm.read(0, 4, a, &cout));
ASSERT_EQ(0, scm.read(4, 4, c, &cout));
scm.zero(0, 15);
ASSERT_EQ(1, scm.read(0, 4, a, &cout));
ASSERT_EQ(0, scm.read(0, 4, c, &cout));
}
TEST(SloppyCRCMap, clone_range) {
SloppyCRCMap src(4);
SloppyCRCMap dst(4);
bufferlist a, b;
a.append("asdfghjkl");
b.append("qwertyui");
src.write(0, a.length(), a);
src.write(8, a.length(), a);
src.write(16, a.length(), a);
dst.write(0, b.length(), b);
dst.clone_range(0, 8, 0, src);
ASSERT_EQ(2, dst.read(0, 8, b, &cout));
ASSERT_EQ(0, dst.read(8, 8, b, &cout));
dst.write(16, b.length(), b);
ASSERT_EQ(2, dst.read(16, 8, a, &cout));
dst.clone_range(16, 8, 16, src);
ASSERT_EQ(0, dst.read(16, 8, a, &cout));
dst.write(16, b.length(), b);
ASSERT_EQ(1, dst.read(16, 4, a, &cout));
dst.clone_range(16, 8, 2, src);
ASSERT_EQ(0, dst.read(16, 4, a, &cout));
dst.write(0, b.length(), b);
dst.write(8, b.length(), b);
ASSERT_EQ(2, dst.read(0, 8, a, &cout));
ASSERT_EQ(2, dst.read(8, 8, a, &cout));
dst.clone_range(2, 8, 0, src);
ASSERT_EQ(0, dst.read(0, 8, a, &cout));
ASSERT_EQ(0, dst.read(8, 4, a, &cout));
}
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