greenplumn CStringTest 代码
文件路径：/src/backend/gporca/libgpos/server/src/unittest/gpos/string/CStringTest.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2010 Greenplum, Inc.
/
/ @filename:
/ CStringTest.cpp
/
/ @doc:
/ Tests for CStringStatic
/---------------------------------------------------------------------------
#include "unittest/gpos/string/CStringTest.h"
#include "gpos/base.h"
#include "gpos/string/CStringStatic.h"
#include "gpos/test/CUnittest.h"
using namespace gpos;
/---------------------------------------------------------------------------
/ @function:
/ CStringTest::EresUnittest
/
/ @doc:
/ Driver for unittests
/
/---------------------------------------------------------------------------
GPOS_RESULT
CStringTest::EresUnittest()
{
CUnittest rgut[] = {
GPOS_UNITTEST_FUNC(CStringTest::EresUnittest_Equals),
GPOS_UNITTEST_FUNC(CStringTest::EresUnittest_Append),
GPOS_UNITTEST_FUNC(CStringTest::EresUnittest_AppendFormat),
};
return CUnittest::EresExecute(rgut, GPOS_ARRAY_SIZE(rgut));
}
/---------------------------------------------------------------------------
/ @function:
/ CStringTest::EresUnittest_Append
/
/ @doc:
/ Test appending of strings
/
/---------------------------------------------------------------------------
GPOS_RESULT
CStringTest::EresUnittest_Append()
{
CHAR buffer1[16];
CHAR buffer2[8];
CHAR buffer3[8];
CStringStatic ss1(buffer1, GPOS_ARRAY_SIZE(buffer1), "123");
CStringStatic ss2(buffer2, GPOS_ARRAY_SIZE(buffer2), "456");
CStringStatic ss3(buffer3, GPOS_ARRAY_SIZE(buffer3));
ss1.Append(&ss2);
GPOS_ASSERT(ss1.Equals("123456"));
/ append an empty string
ss1.Append(&ss3);
/ string should be the same as before
GPOS_ASSERT(ss1.Equals("123456"));
/ append to an empty string
ss3.Append(&ss1);
GPOS_ASSERT(ss3.Equals("123456"));
/ check truncation
ss3.Append(&ss2);
GPOS_ASSERT(ss3.Equals("1234564"));
/ test wide character string
ss1.Reset();
ss1.AppendConvert(GPOS_WSZ_LIT("Wide \x1111 character string"));
GPOS_ASSERT(ss1.Equals("Wide . characte"));
return GPOS_OK;
}
/---------------------------------------------------------------------------
/ @function:
/ CStringTest::EresUnittest_AppendFormat
/
/ @doc:
/ Test formatting strings
/
/---------------------------------------------------------------------------
GPOS_RESULT
CStringTest::EresUnittest_AppendFormat()
{
CHAR buffer1[16];
CHAR buffer2[12];
CStringStatic ss1(buffer1, GPOS_ARRAY_SIZE(buffer1), "Hello");
CStringStatic ss2(buffer2, GPOS_ARRAY_SIZE(buffer2), "Hello");
ss1.AppendFormat(" world %d", 123);
ss2.AppendFormat(" world %d", 123);
GPOS_ASSERT(ss1.Equals("Hello world 123"));
GPOS_ASSERT(ss2.Equals("Hello world"));
return GPOS_OK;
}
/---------------------------------------------------------------------------
/ @function:
/ CStringTest::EresUnittest_Equals
/
/ @doc:
/ Test checking for equality of strings
/
/---------------------------------------------------------------------------
GPOS_RESULT
CStringTest::EresUnittest_Equals()
{
#ifdef GPOS_DEBUG
/ static strings
CHAR buffer1[8];
CHAR buffer2[8];
CHAR buffer3[8];
CStringStatic ss1(buffer1, GPOS_ARRAY_SIZE(buffer1), "123");
CStringStatic ss2(buffer2, GPOS_ARRAY_SIZE(buffer2), "123");
CStringStatic ss3(buffer3, GPOS_ARRAY_SIZE(buffer3), "12");
GPOS_ASSERT(ss1.Equals(ss2.Buffer()));
GPOS_ASSERT(!ss1.Equals(ss3.Buffer()));
GPOS_ASSERT(!ss3.Equals(ss1.Buffer()));
#endif / #ifdef GPOS_DEBUG
return GPOS_OK;
}
/ EOF