107 lines
3 KiB
C++
107 lines
3 KiB
C++
/* @file log_streambuf.test.cpp */
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#include "xo/indentlog/log_streambuf.hpp"
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#include "xo/indentlog/print/tag.hpp"
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#include "xo/indentlog/print/quoted.hpp"
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#include <catch2/catch.hpp>
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//#include <sstream>
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namespace ut {
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using xo::log_streambuf;
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TEST_CASE("log_streamhuf", "[log_streambuf]") {
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std::size_t z = 16;
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log_streambuf<char, std::char_traits<char>> sbuf(z);
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std::ostream ss(&sbuf);
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REQUIRE(sbuf.capacity() == z);
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REQUIRE(sbuf.pos() == 0);
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REQUIRE(sbuf.lpos() == 0);
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ss << '\n';
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REQUIRE(sbuf.capacity() == z);
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REQUIRE(sbuf.pos() == 1);
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REQUIRE(sbuf.lpos() == 0); // at least on OSX
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}
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// write test cases with some random strings.
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// for each string a list of tuples {ch,pos,lpos}
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struct recd {
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char const * text_ = nullptr;
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std::size_t expect_pos_ = 0;
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std::size_t expect_lpos_ = 0;
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};
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struct test_case {
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std::size_t buf_capacity_;
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std::vector<recd> steps_;
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};
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std::vector<test_case> s_testcase_v = {
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{64, {{"\n", 1, 0},
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{"abcd", 5, 4},
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{"abcd\nefg\nhij", 17, 3},
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{"klmnopqrstuvwxyz", 33, 19},
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}},
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{32, {{"\n", 1, 0},
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{"abcd", 5, 4},
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{"abcd\nefg\nhij", 17, 3},
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{"klmnopqrstuvwxyz", 33, 19},
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}},
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{16, {{"\n", 1, 0},
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{"abcd", 5, 4},
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{"abcd\nefg\nhij", 17, 3},
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{"klmnopqrstuvwxyz", 33, 19},
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}},
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{8, {{"\n", 1, 0},
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{"abcd", 5, 4},
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{"abcd\nefg\nhij", 17, 3},
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{"klmnopqrstuvwxyz", 33, 19},
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}},
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{4, {{"\n", 1, 0},
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{"abcd", 5, 4},
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{"abcd\nefg\nhij", 17, 3},
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{"klmnopqrstuvwxyz", 33, 19},
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}},
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};
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TEST_CASE("log_streambuf2", "[log_streambuf]") {
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using xo::xtag;
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using xo::print::quot;
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using xo::print::unq;
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for (std::size_t i = 0; i < s_testcase_v.size(); ++i) {
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INFO(tostr(xtag("i", i)));
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const test_case & tc = s_testcase_v[i];
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std::size_t z = tc.buf_capacity_;
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log_streambuf<char> sbuf(z, false /*debug_flag*/);
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std::ostream ss(&sbuf);
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REQUIRE(sbuf.capacity() == z);
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REQUIRE(sbuf.pos() == 0);
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REQUIRE(sbuf.lpos() == 0);
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REQUIRE(sbuf.lo() + sbuf.capacity() == sbuf.hi());
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std::size_t j = 0;
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for (const recd & r : tc.steps_) {
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INFO(tostr(xtag("j", j), xtag("text", unq(r.text_))));
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ss << r.text_;
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REQUIRE(ss.good());
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REQUIRE(sbuf.capacity() >= z);
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REQUIRE(sbuf.lo() + sbuf.capacity() == sbuf.hi());
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REQUIRE(sbuf.pos() == r.expect_pos_);
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REQUIRE(sbuf.lpos() == r.expect_lpos_);
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++j;
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}
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}
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}
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}
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/* end log_streambuf.test.cpp */
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