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path: root/util/stream/length_ut.cpp
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#include "length.h" 
 
#include <library/cpp/testing/unittest/registar.h>
 
#include <util/generic/string.h>
 
Y_UNIT_TEST_SUITE(TestLengthIO) {
    Y_UNIT_TEST(TestLengthLimitedInput) {
        char buf[16]; 
 
        TStringStream s1("abcd"); 
        TLengthLimitedInput l1(&s1, 2); 
        UNIT_ASSERT_VALUES_EQUAL(l1.Load(buf, 3), 2); 
        UNIT_ASSERT_VALUES_EQUAL(l1.Read(buf, 1), 0); 
    } 
 
    Y_UNIT_TEST(TestCountingInput) {
        char buf[16]; 
 
        TStringStream s1("abc\ndef\n"); 
        TCountingInput l1(&s1); 
 
        TString s;
        l1.ReadLine(s); 
        UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 4); 
 
        l1.Load(buf, 1); 
        UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 5); 
 
        l1.Skip(1); 
        UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 6); 
 
        l1.ReadLine(s); 
        UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 8); 
    } 
 
    Y_UNIT_TEST(TestCountingOutput) {
        TStringStream s1; 
        TCountingOutput l1(&s1); 
 
        l1.Write('1'); 
        UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 1); 
 
        l1.Write(TString("abcd"));
        UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 5); 
 
        TString buf("aaa");
        IOutputStream::TPart parts[] = {{buf.data(), buf.size()}, {buf.data(), buf.size()}, {buf.data(), buf.size()}};
        l1.Write(parts, 3); 
        UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 14); 
    } 
}