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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vsm/common/charbuffer.h>
namespace vsm {
class CharBufferTest : public vespalib::TestApp
{
private:
void test();
public:
int Main() override;
};
void
CharBufferTest::test()
{
{ // empty
CharBuffer buf;
EXPECT_EQUAL(buf.getLength(), 0u);
EXPECT_EQUAL(buf.getPos(), 0u);
EXPECT_EQUAL(buf.getRemaining(), 0u);
}
{ // explicit length
CharBuffer buf(8);
EXPECT_EQUAL(buf.getLength(), 8u);
EXPECT_EQUAL(buf.getPos(), 0u);
EXPECT_EQUAL(buf.getRemaining(), 8u);
}
{ // resize
CharBuffer buf(8);
EXPECT_EQUAL(buf.getLength(), 8u);
buf.resize(16);
EXPECT_EQUAL(buf.getLength(), 16u);
buf.resize(8);
EXPECT_EQUAL(buf.getLength(), 16u);
}
{ // put with triggered resize
CharBuffer buf(8);
buf.put("123456", 6);
EXPECT_EQUAL(buf.getLength(), 8u);
EXPECT_EQUAL(buf.getPos(), 6u);
EXPECT_EQUAL(buf.getRemaining(), 2u);
EXPECT_EQUAL(std::string(buf.getBuffer(), buf.getPos()), "123456");
buf.put("789", 3);
EXPECT_EQUAL(buf.getLength(), 12u);
EXPECT_EQUAL(buf.getPos(), 9u);
EXPECT_EQUAL(buf.getRemaining(), 3u);
EXPECT_EQUAL(std::string(buf.getBuffer(), buf.getPos()), "123456789");
buf.put('a');
EXPECT_EQUAL(buf.getLength(), 12u);
EXPECT_EQUAL(buf.getPos(), 10u);
EXPECT_EQUAL(buf.getRemaining(), 2u);
EXPECT_EQUAL(std::string(buf.getBuffer(), buf.getPos()), "123456789a");
buf.reset();
EXPECT_EQUAL(buf.getLength(), 12u);
EXPECT_EQUAL(buf.getPos(), 0u);
EXPECT_EQUAL(buf.getRemaining(), 12u);
buf.put("bcd", 3);
EXPECT_EQUAL(buf.getLength(), 12u);
EXPECT_EQUAL(buf.getPos(), 3u);
EXPECT_EQUAL(buf.getRemaining(), 9u);
EXPECT_EQUAL(std::string(buf.getBuffer(), buf.getPos()), "bcd");
}
}
int
CharBufferTest::Main()
{
TEST_INIT("charbuffer_test");
test();
TEST_DONE();
}
}
TEST_APPHOOK(vsm::CharBufferTest);
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