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initial basic utils

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Matvey Cherevko
2018-08-06 17:58:51 +07:00
parent 769c1f151a
commit 2ce653eacc
61 changed files with 7431 additions and 70 deletions
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106
untests/sources/untests_utils/streams.cpp Normal file
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/*******************************************************************************
* This file is part of the "Enduro2D"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2018 Matvey Cherevko
******************************************************************************/
#include "_utils.hpp"
using namespace e2d;
TEST_CASE("streams") {
buffer hello_data("hello", 5);
{
input_stream_uptr s = make_memory_stream(hello_data);
REQUIRE_THROWS_AS(s->seek(-10, false), bad_stream_operation);
REQUIRE(s->tell() == 0);
REQUIRE_THROWS_AS(s->seek(10, false), bad_stream_operation);
REQUIRE_THROWS_AS(
s->seek(std::numeric_limits<std::ptrdiff_t>::min(), false),
bad_stream_operation);
REQUIRE_THROWS_AS(
s->seek(std::numeric_limits<std::ptrdiff_t>::max(), false),
bad_stream_operation);
REQUIRE(s->tell() == 0);
REQUIRE((s->seek(5, false) == 5 && s->tell() == 5));
REQUIRE((s->seek(3, false) == 3 && s->tell() == 3));
REQUIRE((s->seek(0, false) == 0 && s->tell() == 0));
}
{
input_stream_uptr s = make_memory_stream(hello_data);
REQUIRE((s->seek(3, false) == 3 && s->tell() == 3));
REQUIRE_THROWS_AS(s->seek(3, true), bad_stream_operation);
REQUIRE(s->tell() == 3);
REQUIRE((s->seek(2, true) == 5 && s->tell() == 5));
REQUIRE_THROWS_AS(s->seek(-6, true), bad_stream_operation);
REQUIRE(s->tell() == 5);
REQUIRE((s->seek(-5, true) == 0 && s->tell() == 0));
}
{
input_stream_uptr s = make_memory_stream(hello_data);
REQUIRE((s->seek(3, false) == 3 && s->tell() == 3));
REQUIRE_THROWS_AS(s->seek(-4, true), bad_stream_operation);
REQUIRE(s->tell() == 3);
REQUIRE((s->seek(-3, true) == 0 && s->tell() == 0));
REQUIRE_THROWS_AS(s->seek(6, true), bad_stream_operation);
REQUIRE(s->tell() == 0);
REQUIRE((s->seek(5, true) == 5 && s->tell() == 5));
}
{
input_stream_uptr s = make_memory_stream(hello_data);
REQUIRE(s->tell() == 0);
REQUIRE(s->length() == 5);
char buf[5] = {'\0'};
REQUIRE(s->read(buf, 5) == 5);
REQUIRE(std::memcmp(buf, "hello", 5) == 0);
REQUIRE(s->tell() == 5);
REQUIRE(s->length() == 5);
}
{
input_stream_uptr s = make_memory_stream(hello_data);
char buf[10] = {'\0'};
{
REQUIRE(s->read(buf, 0) == 0);
REQUIRE(std::memcmp(buf, "\0\0\0\0\0\0\0\0\0\0", 10) == 0);
REQUIRE(s->tell() == 0);
REQUIRE(s->length() == 5);
}
{
REQUIRE(s->read(buf, 10) == 5);
REQUIRE(std::memcmp(buf, "hello\0\0\0\0\0", 10) == 0);
REQUIRE(s->tell() == 5);
REQUIRE(s->length() == 5);
}
{
REQUIRE(s->seek(2, false) == 2);
REQUIRE(s->read(buf, 10) == 3);
REQUIRE(std::memcmp(buf, "llolo\0\0\0\0\0", 10) == 0);
REQUIRE(s->tell() == 5);
REQUIRE(s->length() == 5);
}
{
REQUIRE(s->seek(0, false) == 0);
REQUIRE(s->read(buf, 3) == 3);
REQUIRE(std::memcmp(buf, "hello\0\0\0\0\0", 10) == 0);
REQUIRE(s->tell() == 3);
REQUIRE(s->length() == 5);
}
}
{
input_stream_uptr s = make_memory_stream(hello_data);
char buf[10] = {'\0'};
{
REQUIRE(s->read(buf, 1) == 1);
REQUIRE(std::memcmp(buf, "h\0\0\0\0\0\0\0\0\0", 10) == 0);
REQUIRE(s->tell() == 1);
REQUIRE(s->length() == 5);
}
{
buffer b;
REQUIRE(streams::try_read_tail(b, s));
REQUIRE(b.size() == 4);
REQUIRE(std::memcmp(b.data(), "ello", 4) == 0);
REQUIRE(s->tell() == 5);
REQUIRE(s->length() == 5);
}
}
}