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//------------------------------------------------------------------------
//
// Eureka DOOM Editor
//
// Copyright (C) 2021 Ioan Chera
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
//------------------------------------------------------------------------
#include "m_streams.h"
#include "m_strings.h"
#include "gtest/gtest.h"
TEST(MStreams, MReadTextLine)
{
// Check that the BOM gets stripped, that both CRLF and LF are detected
// and that no newline at the end of stream is fine
std::string content = "\xef\xbb\xbfLine 1 is here\n"
"Line 2 is here\r\n"
"Line 3 is here\n"
"Line 4 is here";
SString line;
{
std::istringstream ss(content);
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_EQ(line, "Line 1 is here");
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_EQ(line, "Line 2 is here");
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_EQ(line, "Line 3 is here");
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_EQ(line, "Line 4 is here");
ASSERT_FALSE(M_ReadTextLine(line, ss));
}
// Check that a trailing newline won't generate an empty line
content = "Line 5 is here\n"
"Line 6 is here\n";
{
std::istringstream ss(content);
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_EQ(line, "Line 5 is here");
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_EQ(line, "Line 6 is here");
ASSERT_FALSE(M_ReadTextLine(line, ss));
}
// Check that a final line with just a space gets treated as an empty line
content = "Line 5 is here\n"
"Line 6 is here\n"
" ";
{
std::istringstream ss(content);
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_EQ(line, "Line 5 is here");
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_EQ(line, "Line 6 is here");
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_TRUE(line.empty());
ASSERT_FALSE(M_ReadTextLine(line, ss));
}
// Check that a newline shall show up as one empty line
content = "\n";
{
std::istringstream ss(content);
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_TRUE(line.empty());
ASSERT_FALSE(M_ReadTextLine(line, ss));
}
// Check that a mere space shows up as one empty line
content = " ";
{
std::istringstream ss(content);
ASSERT_TRUE(M_ReadTextLine(line, ss));
ASSERT_TRUE(line.empty());
ASSERT_FALSE(M_ReadTextLine(line, ss));
}
content = "";
{
std::istringstream ss(content);
ASSERT_FALSE(M_ReadTextLine(line, ss));
}
}
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