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#include "join.h"
#include <library/cpp/testing/unittest/registar.h>
#include <util/generic/vector.h>
#include <util/stream/output.h>
struct TCustomData {
TVector<int> Ints;
};
TString ToString(const TCustomData& d) {
return JoinSeq("__", d.Ints);
}
Y_UNIT_TEST_SUITE(JoinStringTest) {
Y_UNIT_TEST(ScalarItems) {
UNIT_ASSERT_EQUAL(Join(',', 10, 11.1, "foobar"), "10,11.1,foobar");
UNIT_ASSERT_EQUAL(Join(", ", 10, 11.1, "foobar"), "10, 11.1, foobar");
UNIT_ASSERT_EQUAL(Join(", ", 10, 11.1, TString("foobar")), "10, 11.1, foobar");
UNIT_ASSERT_EQUAL(Join('#', 0, "a", "foobar", -1.4, TStringBuf("aaa")), "0#a#foobar#-1.4#aaa");
UNIT_ASSERT_EQUAL(Join("", "", ""), "");
UNIT_ASSERT_EQUAL(Join("", "a", "b", "c"), "abc");
UNIT_ASSERT_EQUAL(Join("", "a", "b", "", "c"), "abc");
UNIT_ASSERT_EQUAL(Join(" ", "a", "b", "", "c"), "a b c");
}
Y_UNIT_TEST(IntContainerItems) {
int v[] = {1, 2, 3};
TVector<int> vv(v, v + 3);
UNIT_ASSERT_EQUAL(JoinSeq(" ", vv), "1 2 3");
UNIT_ASSERT_EQUAL(JoinSeq(" ", vv), JoinRange(" ", vv.begin(), vv.end()));
UNIT_ASSERT_EQUAL(JoinRange(" ", v, v + 2), "1 2");
UNIT_ASSERT_EQUAL(JoinSeq(" ", {}), "");
UNIT_ASSERT_EQUAL(JoinSeq(" ", {42}), "42");
UNIT_ASSERT_EQUAL(JoinSeq(" ", {1, 2, 3}), "1 2 3");
UNIT_ASSERT_VALUES_EQUAL(JoinSeq(" ", v), "1 2 3");
}
Y_UNIT_TEST(StrContainerItems) {
// try various overloads and template type arguments
static const char* const result = "1 22 333";
static const char* const v[] = {"1", "22", "333"};
TVector<const char*> vchar(v, v + sizeof(v) / sizeof(v[0]));
TVector<TStringBuf> vbuf(v, v + sizeof(v) / sizeof(v[0]));
TVector<TString> vstring(v, v + sizeof(v) / sizeof(v[0]));
// ranges
UNIT_ASSERT_EQUAL(JoinRange(" ", v, v + 3), result);
UNIT_ASSERT_EQUAL(JoinRange(" ", vchar.begin(), vchar.end()), result);
UNIT_ASSERT_EQUAL(JoinRange(" ", vbuf.begin(), vbuf.end()), result);
UNIT_ASSERT_EQUAL(JoinRange(" ", vstring.begin(), vstring.end()), result);
{
TStringStream stream;
stream << MakeRangeJoiner(" ", v, v + 3);
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vchar.begin(), vchar.end());
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vbuf.begin(), vbuf.end());
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vstring.begin(), vstring.end());
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
// vectors
UNIT_ASSERT_EQUAL(JoinSeq(" ", vchar), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", vbuf), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", vstring), result);
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vchar);
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vbuf);
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", vstring);
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
// initializer lists with type deduction
UNIT_ASSERT_EQUAL(JoinSeq(" ", {v[0], v[1], v[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", {vchar[0], vchar[1], vchar[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", {vbuf[0], vbuf[1], vbuf[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", {vstring[0], vstring[1], vstring[2]}), result);
{
TStringStream stream;
stream << MakeRangeJoiner(" ", {v[0], v[1], v[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", {vchar[0], vchar[1], vchar[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", {vbuf[0], vbuf[1], vbuf[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", {vstring[0], vstring[1], vstring[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
// initializer lists with explicit types
UNIT_ASSERT_EQUAL(JoinSeq(" ", std::initializer_list<const char*>{v[0], v[1], v[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", std::initializer_list<const char*>{vchar[0], vchar[1], vchar[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", std::initializer_list<TStringBuf>{vbuf[0], vbuf[1], vbuf[2]}), result);
UNIT_ASSERT_EQUAL(JoinSeq(" ", std::initializer_list<TString>{vstring[0], vstring[1], vstring[2]}), result);
{
TStringStream stream;
stream << MakeRangeJoiner(" ", std::initializer_list<const char*>{v[0], v[1], v[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", std::initializer_list<const char*>{vchar[0], vchar[1], vchar[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", std::initializer_list<TStringBuf>{vbuf[0], vbuf[1], vbuf[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
{
TStringStream stream;
stream << MakeRangeJoiner(" ", std::initializer_list<TString>{vstring[0], vstring[1], vstring[2]});
UNIT_ASSERT_EQUAL(stream.Str(), result);
}
// c-style array
UNIT_ASSERT_VALUES_EQUAL(JoinSeq(" ", v), result);
}
Y_UNIT_TEST(CustomToString) {
TCustomData d1{{1, 2, 3, 4, 5}};
TCustomData d2{{0, -1, -2}};
UNIT_ASSERT_EQUAL(Join(" ", d1, d2), "1__2__3__4__5 0__-1__-2");
}
Y_UNIT_TEST(JoinChars) {
// Note that char delimeter is printed as single char string,
// but joined char values are printed as their numeric codes! O_o
UNIT_ASSERT_EQUAL(Join('a', 'a', 'a'), "97a97");
UNIT_ASSERT_EQUAL(Join("a", "a", "a"), "aaa");
}
}
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