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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/util/size_literals.h>
#include <vespa/vespalib/data/databuffer.h>
#include <iostream>
using namespace vespalib;
class Test : public vespalib::TestApp {
private:
void testBasic();
public:
int Main() override {
TEST_INIT("databuffer_test");
testBasic(); TEST_FLUSH();
TEST_DONE();
}
};
TEST_APPHOOK(Test);
void
Test::testBasic()
{
DataBuffer a(50);
EXPECT_EQUAL(256u, a.getBufSize());
EXPECT_EQUAL(a.getFreeLen(), a.getBufSize());
a.ensureFree(1000);
EXPECT_EQUAL(1_Ki, a.getBufSize());
EXPECT_EQUAL(a.getFreeLen(), a.getBufSize());
EXPECT_EQUAL(0u, a.getDeadLen());
EXPECT_EQUAL(0u, a.getDataLen());
EXPECT_EQUAL(a.getData(), a.getDead());
EXPECT_EQUAL(a.getData(), a.getFree());
EXPECT_EQUAL(a.getBufSize(), a.getFreeLen());
a.assertValid();
a.writeInt16(7);
EXPECT_EQUAL(0u, a.getDeadLen());
EXPECT_EQUAL(2u, a.getDataLen());
EXPECT_EQUAL(a.getBufSize()-2, a.getFreeLen());
EXPECT_EQUAL(a.getData(), a.getDead());
EXPECT_EQUAL(a.getData()+2, a.getFree());
a.clear();
EXPECT_EQUAL(0u, a.getDeadLen());
EXPECT_EQUAL(0u, a.getDataLen());
EXPECT_EQUAL(a.getBufSize(), a.getFreeLen());
a.writeInt8(0xaau);
EXPECT_EQUAL(1u, a.getDataLen());
EXPECT_EQUAL(0xaau, a.peekInt8(0));
EXPECT_EQUAL(1u, a.getDataLen());
EXPECT_EQUAL(0xaau, a.readInt8());
EXPECT_EQUAL(0u, a.getDataLen());
a.writeInt16(0xaabbu);
EXPECT_EQUAL(2u, a.getDataLen());
EXPECT_EQUAL(0xaabbu, a.peekInt16(0));
EXPECT_EQUAL(2u, a.getDataLen());
EXPECT_EQUAL(0xaabbu, a.readInt16());
EXPECT_EQUAL(0u, a.getDataLen());
a.writeInt16(0xaabbu);
EXPECT_EQUAL(2u, a.getDataLen());
EXPECT_EQUAL(0xbbaau, a.peekInt16Reverse(0));
EXPECT_EQUAL(2u, a.getDataLen());
EXPECT_EQUAL(0xbbaau, a.readInt16Reverse());
EXPECT_EQUAL(0u, a.getDataLen());
a.writeInt32(0xaabbccddu);
EXPECT_EQUAL(4u, a.getDataLen());
EXPECT_EQUAL(0xaabbccddu, a.peekInt32(0));
EXPECT_EQUAL(4u, a.getDataLen());
EXPECT_EQUAL(0xaabbccddu, a.readInt32());
EXPECT_EQUAL(0u, a.getDataLen());
a.writeInt32(0xaabbccddu);
EXPECT_EQUAL(4u, a.getDataLen());
EXPECT_EQUAL(0xddccbbaau, a.peekInt32Reverse(0));
EXPECT_EQUAL(4u, a.getDataLen());
EXPECT_EQUAL(0xddccbbaau, a.readInt32Reverse());
EXPECT_EQUAL(0u, a.getDataLen());
a.writeInt64(0xaabbccddeeff9988ul);
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_EQUAL(0xaabbccddeeff9988ul, a.peekInt64(0));
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_EQUAL(0xaabbccddeeff9988ul, a.readInt64());
EXPECT_EQUAL(0u, a.getDataLen());
a.writeInt64(0xaabbccddeeff9988ul);
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_EQUAL(0x8899ffeeddccbbaaul, a.peekInt64Reverse(0));
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_EQUAL(0x8899ffeeddccbbaaul, a.readInt64Reverse());
EXPECT_EQUAL(0u, a.getDataLen());
a.writeFloat(8.9f);
EXPECT_EQUAL(4u, a.getDataLen());
EXPECT_EQUAL(8.9f, a.readFloat());
EXPECT_EQUAL(0u, a.getDataLen());
a.writeDouble(8.9);
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_EQUAL(8.9, a.readDouble());
EXPECT_EQUAL(0u, a.getDataLen());
const char *c = "abc";
char b[3];
a.writeBytes(c, 3);
EXPECT_EQUAL(3u, a.getDataLen());
EXPECT_EQUAL(0, memcmp(c, a.getData(), a.getDataLen()));
a.peekBytes(b, 3, 0);
EXPECT_EQUAL(3u, a.getDataLen());
EXPECT_EQUAL(0, memcmp(c, b, sizeof(b)));
a.readBytes(b, sizeof(b));
EXPECT_EQUAL(0u, a.getDataLen());
EXPECT_EQUAL(0, memcmp(c, b, sizeof(b)));
a.writeInt64(67);
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_FALSE(a.shrink(1025));
EXPECT_FALSE(a.shrink(7));
EXPECT_TRUE(a.shrink(16));
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_EQUAL(16u, a.getBufSize());
a.writeInt64(89);
EXPECT_EQUAL(16u, a.getDataLen());
EXPECT_EQUAL(16u, a.getBufSize());
EXPECT_EQUAL(0u, a.getDeadLen());
EXPECT_EQUAL(67u, a.readInt64());
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_EQUAL(8u, a.getDeadLen());
EXPECT_EQUAL(16u, a.getBufSize());
a.pack(16);
EXPECT_EQUAL(8u, a.getDataLen());
EXPECT_EQUAL(0u, a.getDeadLen());
EXPECT_EQUAL(256u, a.getBufSize());
EXPECT_EQUAL(89u, a.readInt64());
EXPECT_EQUAL(0u, a.getDataLen());
EXPECT_EQUAL(256u, a.getBufSize());
}
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