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#include "lexer.hpp"
// lexer_test.cpp - Testsuite for sexpr tokenizer.
//
// Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
//
// This file is part of The Mana World (Athena server)
//
// 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 3 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.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <gtest/gtest.h>
#include "../strings/vstring.hpp"
#include "../tests/fdhack.hpp"
#include "../poison.hpp"
namespace tmwa
{
static
io::FD string_pipe(ZString sz)
{
io::FD rfd, wfd;
if (-1 == io::FD::pipe(rfd, wfd))
return io::FD();
if (sz.size() != wfd.write(sz.c_str(), sz.size()))
{
rfd.close();
wfd.close();
return io::FD();
}
wfd.close();
return rfd;
}
TEST(sexpr, escape)
{
EXPECT_EQ(sexpr::escape('\0'), "\\x00"_s);
EXPECT_EQ(sexpr::escape('\x1f'), "\\x1f"_s);
EXPECT_EQ(sexpr::escape('\x20'), " "_s);
EXPECT_EQ(sexpr::escape('\x7e'), "~"_s);
EXPECT_EQ(sexpr::escape('\x7f'), "\\x7f"_s);
EXPECT_EQ(sexpr::escape('\x80'), "\\x80"_s);
EXPECT_EQ(sexpr::escape('\xff'), "\\xff"_s);
EXPECT_EQ(sexpr::escape('\a'), "\\a"_s);
EXPECT_EQ(sexpr::escape('\b'), "\\b"_s);
EXPECT_EQ(sexpr::escape('\e'), "\\e"_s);
EXPECT_EQ(sexpr::escape('\f'), "\\f"_s);
//EXPECT_EQ(sexpr::escape('\n'), "\\n"_s);
EXPECT_EQ(sexpr::escape('\n'), "\n"_s);
EXPECT_EQ(sexpr::escape('\r'), "\\r"_s);
EXPECT_EQ(sexpr::escape('\t'), "\\t"_s);
EXPECT_EQ(sexpr::escape('\v'), "\\v"_s);
EXPECT_EQ(sexpr::escape('\\'), "\\\\"_s);
EXPECT_EQ(sexpr::escape('\"'), "\\\""_s);
EXPECT_EQ(sexpr::escape("\x1f\x20\x7e\x7f\x80\xff\a\b\e\f\r\t\v\\\""_s),
"\"\\x1f ~\\x7f\\x80\\xff\\a\\b\\e\\f\\r\\t\\v\\\\\\\"\""_s);
}
TEST(sexpr, lexer)
{
io::LineSpan span;
sexpr::Lexer lexer("<lexer-test1>"_s, string_pipe(" foo( ) 123\"\" \n"_s));
EXPECT_EQ(lexer.peek(), sexpr::TOK_TOKEN);
EXPECT_EQ(lexer.val_string(), "foo"_s);
EXPECT_EQ(lexer.span().message_str("error"_s, "test"_s),
"<lexer-test1>:1:2: error: test\n"
" foo( ) 123\"\" \n"
" ^~~\n"_s
);
lexer.adv();
EXPECT_EQ(lexer.peek(), sexpr::TOK_OPEN);
EXPECT_EQ(lexer.span().message_str("error"_s, "test"_s),
"<lexer-test1>:1:5: error: test\n"
" foo( ) 123\"\" \n"
" ^\n"_s
);
lexer.adv();
EXPECT_EQ(lexer.peek(), sexpr::TOK_CLOSE);
EXPECT_EQ(lexer.span().message_str("error"_s, "test"_s),
"<lexer-test1>:1:7: error: test\n"
" foo( ) 123\"\" \n"
" ^\n"_s
);
lexer.adv();
EXPECT_EQ(lexer.peek(), sexpr::TOK_TOKEN);
EXPECT_EQ(lexer.val_string(), "123"_s);
EXPECT_EQ(lexer.span().message_str("error"_s, "test"_s),
"<lexer-test1>:1:9: error: test\n"
" foo( ) 123\"\" \n"
" ^~~\n"_s
);
lexer.adv();
EXPECT_EQ(lexer.peek(), sexpr::TOK_STRING);
EXPECT_EQ(lexer.val_string(), ""_s);
EXPECT_EQ(lexer.span().message_str("error"_s, "test"_s),
"<lexer-test1>:1:12: error: test\n"
" foo( ) 123\"\" \n"
" ^~\n"_s
);
lexer.adv();
EXPECT_EQ(lexer.peek(), sexpr::TOK_EOF);
}
TEST(sexpr, lexbad)
{
QuietFd q;
{
io::LineSpan span;
sexpr::Lexer lexer("<lexer-bad>"_s, string_pipe("(\n"_s));
EXPECT_EQ(lexer.peek(), sexpr::TOK_OPEN);
lexer.adv();
EXPECT_EQ(lexer.peek(), sexpr::TOK_ERROR);
}
for (ZString bad : {
ZString(")\n"_s),
ZString("\"\n"_s),
ZString("'\n"_s),
ZString("\\\n"_s),
ZString("\"\\"_s),
ZString("\"\\z\""_s),
})
{
io::LineSpan span;
sexpr::Lexer lexer("<lexer-bad>"_s, string_pipe(bad));
EXPECT_EQ(lexer.peek(), sexpr::TOK_ERROR);
}
}
} // namespace tmwa
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