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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
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 <core/CodeTokenizer.hpp>
namespace ousia {
static const int BLOCK_COMMENT = 30;
static const int LINE_COMMENT = 31;
static const int STRING = 20;
static const int ESCAPE = 21;
static const int LINEBREAK = 21;
static const int CURLY_OPEN = 40;
static const int CURLY_CLOSE = 41;
TEST(CodeTokenizer, testTokenizer)
{
CharReader reader{
"/**\n" // 1
" * Some Block Comment\n" // 2
" */\n" // 3
"var my_string = 'My \\'String\\'';\n" // 4
"// and a line comment\n" // 5
"var my_obj = { a = 4;}"}; // 6
// 123456789012345678901234567890123456789
// 0 1 2 3
TokenTreeNode root{{{"/*", 1},
{"*/", 2},
{"//", 3},
{"'", 4},
{"\\", 5},
{"{", CURLY_OPEN},
{"}", CURLY_CLOSE},
{"\n", 6}}};
std::map<int, CodeTokenDescriptor> descriptors{
// the block comment start Token has the id 1 and if the Tokenizer
// returns a Block Comment Token that should have the id 10.
{1, {CodeTokenMode::BLOCK_COMMENT_START, BLOCK_COMMENT}},
{2, {CodeTokenMode::BLOCK_COMMENT_END, BLOCK_COMMENT}},
{3, {CodeTokenMode::LINE_COMMENT, LINE_COMMENT}},
{4, {CodeTokenMode::STRING_START_END, STRING}},
{5, {CodeTokenMode::ESCAPE, ESCAPE}},
{6, {CodeTokenMode::LINEBREAK, LINEBREAK}}};
std::vector<Token> expected = {
{BLOCK_COMMENT, "*\n * Some Block Comment\n ", 1, 1, 4, 3},
{LINEBREAK, "\n", 4, 3, 1, 4},
{TOKEN_TEXT, "var", 1, 4, 4, 4},
{TOKEN_TEXT, "my_string", 5, 4, 14, 4},
{TOKEN_TEXT, "=", 15, 4, 16, 4},
{STRING, "My 'String'", 17, 4, 32, 4},
{TOKEN_TEXT, ";", 32, 4, 33, 4},
{LINEBREAK, "\n", 33, 4, 1, 5},
// this is slightly counter-intuitive but makes sense if you think about
// it: As a line comment is ended by a line break the line break is
// technically still a part of the line comment and thus the ending
// is in the next line.
{LINE_COMMENT, " and a line comment", 1, 5, 1, 6},
{TOKEN_TEXT, "var", 1, 6, 4, 6},
{TOKEN_TEXT, "my_obj", 5, 6, 11, 6},
{TOKEN_TEXT, "=", 12, 6, 13, 6},
{CURLY_OPEN, "{", 14, 6, 15, 6},
{TOKEN_TEXT, "a", 16, 6, 17, 6},
{TOKEN_TEXT, "=", 18, 6, 19, 6},
{TOKEN_TEXT, "4;", 20, 6, 22, 6},
{CURLY_CLOSE, "}", 22, 6, 23, 6},
};
CodeTokenizer tokenizer{reader, root, descriptors};
Token t;
for (auto &te : expected) {
ASSERT_TRUE(tokenizer.next(t));
ASSERT_EQ(te.tokenId, t.tokenId);
ASSERT_EQ(te.content, t.content);
ASSERT_EQ(te.startColumn, t.startColumn);
ASSERT_EQ(te.startLine, t.startLine);
ASSERT_EQ(te.endColumn, t.endColumn);
ASSERT_EQ(te.endLine, t.endLine);
}
ASSERT_FALSE(tokenizer.next(t));
}
}
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